diff options
82 files changed, 908 insertions, 551 deletions
@@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 4 -SUBLEVEL = 93 +SUBLEVEL = 94 EXTRAVERSION = NAME = Blurry Fish Butt diff --git a/arch/arm/boot/dts/qcom/sdm660-gpu.dtsi b/arch/arm/boot/dts/qcom/sdm660-gpu.dtsi index 2194cf606d29..5a571c2db634 100644 --- a/arch/arm/boot/dts/qcom/sdm660-gpu.dtsi +++ b/arch/arm/boot/dts/qcom/sdm660-gpu.dtsi @@ -551,6 +551,60 @@ qcom,bus-max = <0>; }; }; + + qcom,gpu-pwrlevels-5 { + #address-cells = <1>; + #size-cells = <0>; + + qcom,speed-bin = <90>; + + qcom,initial-pwrlevel = <2>; + + /* SVS_L1 */ + qcom,gpu-pwrlevel@0 { + reg = <0>; + qcom,gpu-freq = <430000000>; + qcom,bus-freq = <11>; + qcom,bus-min = <10>; + qcom,bus-max = <11>; + }; + + /* SVS */ + qcom,gpu-pwrlevel@1 { + reg = <1>; + qcom,gpu-freq = <370000000>; + qcom,bus-freq = <8>; + qcom,bus-min = <6>; + qcom,bus-max = <11>; + }; + + /* Low SVS */ + qcom,gpu-pwrlevel@2 { + reg = <2>; + qcom,gpu-freq = <266000000>; + qcom,bus-freq = <3>; + qcom,bus-min = <3>; + qcom,bus-max = <6>; + }; + + /* Min SVS */ + qcom,gpu-pwrlevel@3 { + reg = <3>; + qcom,gpu-freq = <160000000>; + qcom,bus-freq = <3>; + qcom,bus-min = <3>; + qcom,bus-max = <5>; + }; + + /* XO */ + qcom,gpu-pwrlevel@4 { + reg = <4>; + qcom,gpu-freq = <19200000>; + qcom,bus-freq = <0>; + qcom,bus-min = <0>; + qcom,bus-max = <0>; + }; + }; }; }; diff --git a/arch/arm/boot/dts/qcom/sdm660.dtsi b/arch/arm/boot/dts/qcom/sdm660.dtsi index 48437ac9d31a..730ecac48274 100644 --- a/arch/arm/boot/dts/qcom/sdm660.dtsi +++ b/arch/arm/boot/dts/qcom/sdm660.dtsi @@ -1987,6 +1987,7 @@ qcom,lpass@15700000 { compatible = "qcom,pil-tz-generic"; reg = <0x15700000 0x00100>; + reg-names = "base_reg"; interrupts = <0 162 1>; vdd_cx-supply = <&pm660l_l9_level>; @@ -2019,6 +2020,7 @@ qcom,turing@1a300000 { compatible = "qcom,pil-tz-generic"; reg = <0x1a300000 0x00100>; + reg-names = "base_reg"; interrupts = <0 518 1>; vdd_cx-supply = <&pm660l_s3_level>; diff --git a/arch/arm/configs/msmcortex_defconfig b/arch/arm/configs/msmcortex_defconfig index 60a7cff4836d..e5ef13193437 100644 --- a/arch/arm/configs/msmcortex_defconfig +++ b/arch/arm/configs/msmcortex_defconfig @@ -495,6 +495,7 @@ CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_ECRYPT_FS=y CONFIG_ECRYPT_FS_MESSAGING=y +CONFIG_SDCARD_FS=y # CONFIG_NETWORK_FILESYSTEMS is not set CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y diff --git a/arch/arm64/configs/msm-auto-perf_defconfig b/arch/arm64/configs/msm-auto-perf_defconfig index 616016fc79cd..554be1743f18 100644 --- a/arch/arm64/configs/msm-auto-perf_defconfig +++ b/arch/arm64/configs/msm-auto-perf_defconfig @@ -1,5 +1,6 @@ CONFIG_LOCALVERSION="-perf" # CONFIG_LOCALVERSION_AUTO is not set +CONFIG_FHANDLE=y CONFIG_AUDIT=y # CONFIG_AUDITSYSCALL is not set CONFIG_NO_HZ=y @@ -230,6 +231,8 @@ CONFIG_CFG80211_INTERNAL_REGDB=y CONFIG_RFKILL=y CONFIG_IPC_ROUTER=y CONFIG_IPC_ROUTER_SECURITY=y +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y CONFIG_DMA_CMA=y # CONFIG_PNP_DEBUG_MESSAGES is not set @@ -308,7 +311,6 @@ CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_MSM_LEGACY=y CONFIG_MSM_ADSPRPC=y CONFIG_MSM_RDBG=m -CONFIG_I2C=y CONFIG_I2C_CHARDEV=y CONFIG_I2C_MUX=y CONFIG_I2C_QUP=y @@ -345,7 +347,6 @@ CONFIG_THERMAL_TSENS8974=y CONFIG_THERMAL_QPNP_ADC_TM=y CONFIG_MFD_SPMI_PMIC=y CONFIG_WCD9335_CODEC=y -CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_FAN53555=y CONFIG_REGULATOR_MAX20010=y @@ -378,15 +379,11 @@ CONFIG_MSM_AIS_CAMERA_SENSOR=y # CONFIG_MEDIA_SUBDRV_AUTOSELECT is not set CONFIG_VIDEO_ADV7481=y CONFIG_QCOM_KGSL=y +CONFIG_DRM=y CONFIG_MSM_BA_V4L2=y -CONFIG_FB=y -CONFIG_FB_MSM=y -CONFIG_FB_MSM_MDSS=y -CONFIG_FB_MSM_MDSS_WRITEBACK=y -CONFIG_FB_MSM_MDSS_HDMI_PANEL=y -CONFIG_FB_MSM_MDSS_XLOG_DEBUG=y +CONFIG_MSM_DBA=y +CONFIG_MSM_DBA_ADV7533=y CONFIG_BACKLIGHT_LCD_SUPPORT=y -CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_GENERIC=m CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set @@ -469,7 +466,7 @@ CONFIG_STAGING=y CONFIG_ASHMEM=y CONFIG_ANDROID_TIMED_GPIO=y CONFIG_ANDROID_LOW_MEMORY_KILLER=y -CONFIG_SW_SYNC_USER=y +CONFIG_SYNC=y CONFIG_ION=y CONFIG_ION_MSM=y CONFIG_QPNP_REVID=y @@ -514,7 +511,6 @@ CONFIG_MSM_IPC_ROUTER_GLINK_XPRT=y CONFIG_MSM_GLINK_PKT=y CONFIG_MSM_SPM=y CONFIG_MSM_L2_SPM=y -CONFIG_QCOM_SCM=y CONFIG_QCOM_SCM_XPU=y CONFIG_QCOM_WATCHDOG_V2=y CONFIG_QCOM_MEMORY_DUMP_V2=y @@ -569,7 +565,6 @@ CONFIG_EXT4_FS_ICE_ENCRYPTION=y CONFIG_FUSE_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y -CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_ECRYPT_FS=y CONFIG_ECRYPT_FS_MESSAGING=y diff --git a/arch/arm64/configs/msmcortex-perf_defconfig b/arch/arm64/configs/msmcortex-perf_defconfig index e16fc58ce913..a6638f3de2c0 100644 --- a/arch/arm64/configs/msmcortex-perf_defconfig +++ b/arch/arm64/configs/msmcortex-perf_defconfig @@ -621,6 +621,7 @@ CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_ECRYPT_FS=y CONFIG_ECRYPT_FS_MESSAGING=y +CONFIG_SDCARD_FS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_PRINTK_TIME=y diff --git a/arch/arm64/configs/msmcortex_defconfig b/arch/arm64/configs/msmcortex_defconfig index 3cbcc10ceb1d..4c986046cd5b 100644 --- a/arch/arm64/configs/msmcortex_defconfig +++ b/arch/arm64/configs/msmcortex_defconfig @@ -646,6 +646,7 @@ CONFIG_TMPFS_POSIX_ACL=y CONFIG_EFIVAR_FS=y CONFIG_ECRYPT_FS=y CONFIG_ECRYPT_FS_MESSAGING=y +CONFIG_SDCARD_FS=y # CONFIG_NETWORK_FILESYSTEMS is not set CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y diff --git a/arch/arm64/configs/msmcortex_mediabox-perf_defconfig b/arch/arm64/configs/msmcortex_mediabox-perf_defconfig index b359c78a0d29..79657f54ff7e 100644 --- a/arch/arm64/configs/msmcortex_mediabox-perf_defconfig +++ b/arch/arm64/configs/msmcortex_mediabox-perf_defconfig @@ -226,6 +226,7 @@ CONFIG_MSM_BT_POWER=y CONFIG_BTFM_SLIM=y CONFIG_BTFM_SLIM_WCN3990=y CONFIG_CFG80211=y +CONFIG_CFG80211_CERTIFICATION_ONUS=y CONFIG_CFG80211_INTERNAL_REGDB=y CONFIG_CFG80211_WEXT=y CONFIG_MAC80211=m @@ -285,6 +286,7 @@ CONFIG_WIL6210=m CONFIG_ATH10K=m CONFIG_ATH10K_TARGET_SNOC=m CONFIG_ATH10K_SNOC=y +CONFIG_ATH10K_DFS_CERTIFIED=y CONFIG_CLD_LL_CORE=y CONFIG_INPUT_EVDEV=y CONFIG_INPUT_KEYRESET=y diff --git a/arch/arm64/configs/msmcortex_mediabox_defconfig b/arch/arm64/configs/msmcortex_mediabox_defconfig index 0d36b8ca455d..127bcc07b81b 100644 --- a/arch/arm64/configs/msmcortex_mediabox_defconfig +++ b/arch/arm64/configs/msmcortex_mediabox_defconfig @@ -227,6 +227,7 @@ CONFIG_MSM_BT_POWER=y CONFIG_BTFM_SLIM=y CONFIG_BTFM_SLIM_WCN3990=y CONFIG_CFG80211=y +CONFIG_CFG80211_CERTIFICATION_ONUS=y CONFIG_CFG80211_INTERNAL_REGDB=y # CONFIG_CFG80211_CRDA_SUPPORT is not set CONFIG_CFG80211_WEXT=y @@ -287,6 +288,7 @@ CONFIG_ATH10K=m CONFIG_ATH10K_TARGET_SNOC=m CONFIG_ATH10K_SNOC=y CONFIG_ATH10K_DEBUG=y +CONFIG_ATH10K_DFS_CERTIFIED=y CONFIG_CLD_LL_CORE=y CONFIG_INPUT_EVDEV=y CONFIG_INPUT_KEYRESET=y diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 77edb22f855d..5433ccc9d706 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -18,7 +18,7 @@ #include <irq.h> #define IRQ_STACK_SIZE THREAD_SIZE -#define IRQ_STACK_START (IRQ_STACK_SIZE - sizeof(unsigned long)) +#define IRQ_STACK_START (IRQ_STACK_SIZE - 16) extern void *irq_stack[NR_CPUS]; diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h index be0cc1beed41..3fae200dd251 100644 --- a/arch/sparc/include/asm/setup.h +++ b/arch/sparc/include/asm/setup.h @@ -59,8 +59,11 @@ extern atomic_t dcpage_flushes; extern atomic_t dcpage_flushes_xcall; extern int sysctl_tsb_ratio; -#endif +#ifdef CONFIG_SERIAL_SUNHV +void sunhv_migrate_hvcons_irq(int cpu); +#endif +#endif void sun_do_break(void); extern int stop_a_enabled; extern int scons_pwroff; diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 4511caa3b7e9..46866b2097e8 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1443,8 +1443,12 @@ void smp_send_stop(void) int cpu; if (tlb_type == hypervisor) { + int this_cpu = smp_processor_id(); +#ifdef CONFIG_SERIAL_SUNHV + sunhv_migrate_hvcons_irq(this_cpu); +#endif for_each_online_cpu(cpu) { - if (cpu == smp_processor_id()) + if (cpu == this_cpu) continue; #ifdef CONFIG_SUN_LDOMS if (ldom_domaining_enabled) { diff --git a/block/bsg-lib.c b/block/bsg-lib.c index 341b8d858e67..650f427d915b 100644 --- a/block/bsg-lib.c +++ b/block/bsg-lib.c @@ -147,6 +147,7 @@ static int bsg_create_job(struct device *dev, struct request *req) failjob_rls_rqst_payload: kfree(job->request_payload.sg_list); failjob_rls_job: + kfree(job); return -ENOMEM; } diff --git a/crypto/Kconfig b/crypto/Kconfig index 3240d394426c..248d1a8f9409 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -361,6 +361,7 @@ config CRYPTO_XTS select CRYPTO_BLKCIPHER select CRYPTO_MANAGER select CRYPTO_GF128MUL + select CRYPTO_ECB help XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, key size 256, 384 or 512 bits. This implementation currently diff --git a/drivers/char/diag/diag_memorydevice.c b/drivers/char/diag/diag_memorydevice.c index 986aeed169f5..072c55ca3c4e 100644 --- a/drivers/char/diag/diag_memorydevice.c +++ b/drivers/char/diag/diag_memorydevice.c @@ -202,6 +202,7 @@ int diag_md_write(int id, unsigned char *buf, int len, int ctx) found = 1; driver->data_ready[i] |= USER_SPACE_DATA_TYPE; + atomic_inc(&driver->data_ready_notif[i]); pr_debug("diag: wake up logging process\n"); wake_up_interruptible(&driver->wait_q); } diff --git a/drivers/char/diag/diagchar.h b/drivers/char/diag/diagchar.h index f1596eb336d9..80f004b8435e 100644 --- a/drivers/char/diag/diagchar.h +++ b/drivers/char/diag/diagchar.h @@ -26,6 +26,8 @@ #include <asm/atomic.h> #include "diagfwd_bridge.h" +#define THRESHOLD_CLIENT_LIMIT 50 + /* Size of the USB buffers used for read and write*/ #define USB_MAX_OUT_BUF 4096 #define APPS_BUF_SIZE 4096 @@ -508,6 +510,7 @@ struct diagchar_dev { wait_queue_head_t wait_q; struct diag_client_map *client_map; int *data_ready; + atomic_t data_ready_notif[THRESHOLD_CLIENT_LIMIT]; int num_clients; int polling_reg_flag; int use_device_tree; diff --git a/drivers/char/diag/diagchar_core.c b/drivers/char/diag/diagchar_core.c index 4111e599877a..ae0182ae77db 100644 --- a/drivers/char/diag/diagchar_core.c +++ b/drivers/char/diag/diagchar_core.c @@ -139,7 +139,6 @@ module_param(poolsize_qsc_usb, uint, 0); /* This is the max number of user-space clients supported at initialization*/ static unsigned int max_clients = 15; -static unsigned int threshold_client_limit = 50; module_param(max_clients, uint, 0); /* Timer variables */ @@ -328,7 +327,7 @@ static int diagchar_open(struct inode *inode, struct file *file) if (i < driver->num_clients) { diag_add_client(i, file); } else { - if (i < threshold_client_limit) { + if (i < THRESHOLD_CLIENT_LIMIT) { driver->num_clients++; temp = krealloc(driver->client_map , (driver->num_clients) * sizeof(struct @@ -358,11 +357,17 @@ static int diagchar_open(struct inode *inode, struct file *file) } } driver->data_ready[i] = 0x0; + atomic_set(&driver->data_ready_notif[i], 0); driver->data_ready[i] |= MSG_MASKS_TYPE; + atomic_inc(&driver->data_ready_notif[i]); driver->data_ready[i] |= EVENT_MASKS_TYPE; + atomic_inc(&driver->data_ready_notif[i]); driver->data_ready[i] |= LOG_MASKS_TYPE; + atomic_inc(&driver->data_ready_notif[i]); driver->data_ready[i] |= DCI_LOG_MASKS_TYPE; + atomic_inc(&driver->data_ready_notif[i]); driver->data_ready[i] |= DCI_EVENT_MASKS_TYPE; + atomic_inc(&driver->data_ready_notif[i]); if (driver->ref_count == 0) diag_mempool_init(); @@ -1866,6 +1871,7 @@ static int diag_ioctl_lsm_deinit(void) } driver->data_ready[i] |= DEINIT_TYPE; + atomic_inc(&driver->data_ready_notif[i]); mutex_unlock(&driver->diagchar_mutex); wake_up_interruptible(&driver->wait_q); @@ -3029,16 +3035,6 @@ static int diag_user_process_apps_data(const char __user *buf, int len, return 0; } -static int check_data_ready(int index) -{ - int data_type = 0; - - mutex_lock(&driver->diagchar_mutex); - data_type = driver->data_ready[index]; - mutex_unlock(&driver->diagchar_mutex); - return data_type; -} - static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -3065,7 +3061,8 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, pr_err("diag: bad address from user side\n"); return -EFAULT; } - wait_event_interruptible(driver->wait_q, (check_data_ready(index)) > 0); + wait_event_interruptible(driver->wait_q, + atomic_read(&driver->data_ready_notif[index]) > 0); mutex_lock(&driver->diagchar_mutex); @@ -3076,6 +3073,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, /*Copy the type of data being passed*/ data_type = driver->data_ready[index] & USER_SPACE_DATA_TYPE; driver->data_ready[index] ^= USER_SPACE_DATA_TYPE; + atomic_dec(&driver->data_ready_notif[index]); COPY_USER_SPACE_OR_EXIT(buf, data_type, sizeof(int)); /* place holder for number of data field */ ret += sizeof(int); @@ -3089,11 +3087,13 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, /* In case, the thread wakes up and the logging mode is not memory device any more, the condition needs to be cleared */ driver->data_ready[index] ^= USER_SPACE_DATA_TYPE; + atomic_dec(&driver->data_ready_notif[index]); } if (driver->data_ready[index] & HDLC_SUPPORT_TYPE) { data_type = driver->data_ready[index] & HDLC_SUPPORT_TYPE; driver->data_ready[index] ^= HDLC_SUPPORT_TYPE; + atomic_dec(&driver->data_ready_notif[index]); COPY_USER_SPACE_OR_EXIT(buf, data_type, sizeof(int)); mutex_lock(&driver->md_session_lock); session_info = diag_md_session_get_pid(current->tgid); @@ -3110,6 +3110,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, data_type = driver->data_ready[index] & DEINIT_TYPE; COPY_USER_SPACE_OR_EXIT(buf, data_type, 4); driver->data_ready[index] ^= DEINIT_TYPE; + atomic_dec(&driver->data_ready_notif[index]); mutex_unlock(&driver->diagchar_mutex); diag_remove_client_entry(file); return ret; @@ -3125,6 +3126,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, if (write_len > 0) ret += write_len; driver->data_ready[index] ^= MSG_MASKS_TYPE; + atomic_dec(&driver->data_ready_notif[index]); goto exit; } @@ -3144,6 +3146,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, event_mask.mask_len); } driver->data_ready[index] ^= EVENT_MASKS_TYPE; + atomic_dec(&driver->data_ready_notif[index]); goto exit; } @@ -3157,6 +3160,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, if (write_len > 0) ret += write_len; driver->data_ready[index] ^= LOG_MASKS_TYPE; + atomic_dec(&driver->data_ready_notif[index]); goto exit; } @@ -3168,6 +3172,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, *(driver->apps_req_buf), driver->apps_req_buf_len); driver->data_ready[index] ^= PKT_TYPE; + atomic_dec(&driver->data_ready_notif[index]); driver->in_busy_pktdata = 0; goto exit; } @@ -3179,6 +3184,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, COPY_USER_SPACE_OR_EXIT(buf+4, *(driver->dci_pkt_buf), driver->dci_pkt_length); driver->data_ready[index] ^= DCI_PKT_TYPE; + atomic_dec(&driver->data_ready_notif[index]); driver->in_busy_dcipktdata = 0; goto exit; } @@ -3191,6 +3197,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, COPY_USER_SPACE_OR_EXIT(buf + 8, (dci_ops_tbl[DCI_LOCAL_PROC]. event_mask_composite), DCI_EVENT_MASK_SIZE); driver->data_ready[index] ^= DCI_EVENT_MASKS_TYPE; + atomic_dec(&driver->data_ready_notif[index]); goto exit; } @@ -3202,6 +3209,7 @@ static ssize_t diagchar_read(struct file *file, char __user *buf, size_t count, COPY_USER_SPACE_OR_EXIT(buf+8, (dci_ops_tbl[DCI_LOCAL_PROC]. log_mask_composite), DCI_LOG_MASK_SIZE); driver->data_ready[index] ^= DCI_LOG_MASKS_TYPE; + atomic_dec(&driver->data_ready_notif[index]); goto exit; } @@ -3233,6 +3241,7 @@ exit: exit_stat = diag_copy_dci(buf, count, entry, &ret); mutex_lock(&driver->diagchar_mutex); driver->data_ready[index] ^= DCI_DATA_TYPE; + atomic_dec(&driver->data_ready_notif[index]); mutex_unlock(&driver->diagchar_mutex); if (exit_stat == 1) { mutex_unlock(&driver->dci_mutex); diff --git a/drivers/char/diag/diagfwd.c b/drivers/char/diag/diagfwd.c index ef08f939c36e..40412ba87897 100644 --- a/drivers/char/diag/diagfwd.c +++ b/drivers/char/diag/diagfwd.c @@ -226,6 +226,7 @@ void chk_logging_wakeup(void) * situation. */ driver->data_ready[i] |= USER_SPACE_DATA_TYPE; + atomic_inc(&driver->data_ready_notif[i]); pr_debug("diag: Force wakeup of logging process\n"); wake_up_interruptible(&driver->wait_q); break; @@ -480,8 +481,10 @@ void diag_update_userspace_clients(unsigned int type) mutex_lock(&driver->diagchar_mutex); for (i = 0; i < driver->num_clients; i++) - if (driver->client_map[i].pid != 0) + if (driver->client_map[i].pid != 0) { driver->data_ready[i] |= type; + atomic_inc(&driver->data_ready_notif[i]); + } wake_up_interruptible(&driver->wait_q); mutex_unlock(&driver->diagchar_mutex); } @@ -498,6 +501,8 @@ void diag_update_md_clients(unsigned int type) driver->client_map[j].pid == driver->md_session_map[i]->pid) { driver->data_ready[j] |= type; + atomic_inc( + &driver->data_ready_notif[j]); break; } } @@ -513,6 +518,7 @@ void diag_update_sleeping_process(int process_id, int data_type) for (i = 0; i < driver->num_clients; i++) if (driver->client_map[i].pid == process_id) { driver->data_ready[i] |= data_type; + atomic_inc(&driver->data_ready_notif[i]); break; } wake_up_interruptible(&driver->wait_q); @@ -1703,6 +1709,8 @@ int diagfwd_init(void) , GFP_KERNEL)) == NULL) goto err; kmemleak_not_leak(driver->data_ready); + for (i = 0; i < THRESHOLD_CLIENT_LIMIT; i++) + atomic_set(&driver->data_ready_notif[i], 0); if (driver->apps_req_buf == NULL) { driver->apps_req_buf = kzalloc(DIAG_MAX_REQ_SIZE, GFP_KERNEL); if (!driver->apps_req_buf) diff --git a/drivers/clk/qcom/gpucc-sdm660.c b/drivers/clk/qcom/gpucc-sdm660.c index 0f7ec18e477a..8b2e6fd601c0 100644 --- a/drivers/clk/qcom/gpucc-sdm660.c +++ b/drivers/clk/qcom/gpucc-sdm660.c @@ -179,6 +179,7 @@ static const struct freq_tbl ftbl_gfx3d_clk_src[] = { F_GFX(160000000, 0, 2, 0, 0, 640000000), F_GFX(266000000, 0, 2, 0, 0, 532000000), F_GFX(370000000, 0, 2, 0, 0, 740000000), + F_GFX(430000000, 0, 2, 0, 0, 860000000), F_GFX(465000000, 0, 2, 0, 0, 930000000), F_GFX(588000000, 0, 2, 0, 0, 1176000000), F_GFX(647000000, 0, 2, 0, 0, 1294000000), diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index e2c02f9dd141..ff0fd0e44f07 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -241,7 +241,7 @@ config ARM_PXA2xx_CPUFREQ config ACPI_CPPC_CPUFREQ tristate "CPUFreq driver based on the ACPI CPPC spec" - depends on ACPI + depends on ACPI_PROCESSOR select ACPI_CPPC_LIB default n help diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 58bf94b69186..273e05a3c933 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1802,6 +1802,7 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr) return -EINVAL; } req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots; + req_payload.vcpi = mgr->proposed_vcpis[i]->vcpi; } else { port = NULL; req_payload.num_slots = 0; @@ -1817,6 +1818,7 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr) if (req_payload.num_slots) { drm_dp_create_payload_step1(mgr, mgr->proposed_vcpis[i]->vcpi, &req_payload); mgr->payloads[i].num_slots = req_payload.num_slots; + mgr->payloads[i].vcpi = req_payload.vcpi; } else if (mgr->payloads[i].num_slots) { mgr->payloads[i].num_slots = 0; drm_dp_destroy_payload_step1(mgr, port, mgr->payloads[i].vcpi, &mgr->payloads[i]); diff --git a/drivers/gpu/msm/kgsl_sharedmem.c b/drivers/gpu/msm/kgsl_sharedmem.c index d3ba8ca0dc00..143dac1a9170 100644 --- a/drivers/gpu/msm/kgsl_sharedmem.c +++ b/drivers/gpu/msm/kgsl_sharedmem.c @@ -1038,7 +1038,7 @@ void kgsl_get_memory_usage(char *name, size_t name_size, uint64_t memflags) else if (type < ARRAY_SIZE(memtype_str) && memtype_str[type] != NULL) strlcpy(name, memtype_str[type], name_size); else - snprintf(name, name_size, "unknown(%3d)", type); + snprintf(name, name_size, "VK/others(%3d)", type); } EXPORT_SYMBOL(kgsl_get_memory_usage); diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 10835d1f559b..dee0fc421054 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -1131,6 +1131,7 @@ static int at91_twi_suspend_noirq(struct device *dev) static int at91_twi_resume_noirq(struct device *dev) { + struct at91_twi_dev *twi_dev = dev_get_drvdata(dev); int ret; if (!pm_runtime_status_suspended(dev)) { @@ -1142,6 +1143,8 @@ static int at91_twi_resume_noirq(struct device *dev) pm_runtime_mark_last_busy(dev); pm_request_autosuspend(dev); + at91_init_twi_bus(twi_dev); + return 0; } diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 02e636a1c49a..475c5a74f2d1 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -1208,7 +1208,7 @@ static int xadc_probe(struct platform_device *pdev) ret = xadc->ops->setup(pdev, indio_dev, irq); if (ret) - goto err_free_samplerate_trigger; + goto err_clk_disable_unprepare; ret = request_irq(irq, xadc->ops->interrupt_handler, 0, dev_name(&pdev->dev), indio_dev); @@ -1268,6 +1268,8 @@ static int xadc_probe(struct platform_device *pdev) err_free_irq: free_irq(irq, indio_dev); +err_clk_disable_unprepare: + clk_disable_unprepare(xadc->clk); err_free_samplerate_trigger: if (xadc->ops->flags & XADC_FLAGS_BUFFERED) iio_trigger_free(xadc->samplerate_trigger); @@ -1277,8 +1279,6 @@ err_free_convst_trigger: err_triggered_buffer_cleanup: if (xadc->ops->flags & XADC_FLAGS_BUFFERED) iio_triggered_buffer_cleanup(indio_dev); -err_clk_disable_unprepare: - clk_disable_unprepare(xadc->clk); err_device_free: kfree(indio_dev->channels); diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c index 75573fa431ba..63faee04a008 100644 --- a/drivers/irqchip/irq-crossbar.c +++ b/drivers/irqchip/irq-crossbar.c @@ -198,7 +198,8 @@ static const struct irq_domain_ops crossbar_domain_ops = { static int __init crossbar_of_init(struct device_node *node) { - int i, size, max = 0, reserved = 0, entry; + int i, size, reserved = 0; + u32 max = 0, entry; const __be32 *irqsr; int ret = -ENOMEM; diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index bf3fbd00a091..64b586458d3d 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -828,7 +828,6 @@ isdn_ppp_write(int min, struct file *file, const char __user *buf, int count) isdn_net_local *lp; struct ippp_struct *is; int proto; - unsigned char protobuf[4]; is = file->private_data; @@ -842,24 +841,28 @@ isdn_ppp_write(int min, struct file *file, const char __user *buf, int count) if (!lp) printk(KERN_DEBUG "isdn_ppp_write: lp == NULL\n"); else { - /* - * Don't reset huptimer for - * LCP packets. (Echo requests). - */ - if (copy_from_user(protobuf, buf, 4)) - return -EFAULT; - proto = PPP_PROTOCOL(protobuf); - if (proto != PPP_LCP) - lp->huptimer = 0; + if (lp->isdn_device < 0 || lp->isdn_channel < 0) { + unsigned char protobuf[4]; + /* + * Don't reset huptimer for + * LCP packets. (Echo requests). + */ + if (copy_from_user(protobuf, buf, 4)) + return -EFAULT; + + proto = PPP_PROTOCOL(protobuf); + if (proto != PPP_LCP) + lp->huptimer = 0; - if (lp->isdn_device < 0 || lp->isdn_channel < 0) return 0; + } if ((dev->drv[lp->isdn_device]->flags & DRV_FLAG_RUNNING) && lp->dialstate == 0 && (lp->flags & ISDN_NET_CONNECTED)) { unsigned short hl; struct sk_buff *skb; + unsigned char *cpy_buf; /* * we need to reserve enough space in front of * sk_buff. old call to dev_alloc_skb only reserved @@ -872,11 +875,21 @@ isdn_ppp_write(int min, struct file *file, const char __user *buf, int count) return count; } skb_reserve(skb, hl); - if (copy_from_user(skb_put(skb, count), buf, count)) + cpy_buf = skb_put(skb, count); + if (copy_from_user(cpy_buf, buf, count)) { kfree_skb(skb); return -EFAULT; } + + /* + * Don't reset huptimer for + * LCP packets. (Echo requests). + */ + proto = PPP_PROTOCOL(cpy_buf); + if (proto != PPP_LCP) + lp->huptimer = 0; + if (is->debug & 0x40) { printk(KERN_DEBUG "ppp xmit: len %d\n", (int) skb->len); isdn_ppp_frame_log("xmit", skb->data, skb->len, 32, is->unit, lp->ppp_slot); diff --git a/drivers/leds/leds-qpnp-wled.c b/drivers/leds/leds-qpnp-wled.c index c83cedf2daaf..b0519544759e 100644 --- a/drivers/leds/leds-qpnp-wled.c +++ b/drivers/leds/leds-qpnp-wled.c @@ -63,7 +63,6 @@ #define QPNP_WLED_VLOOP_COMP_RES_MASK 0xF0 #define QPNP_WLED_VLOOP_COMP_RES_OVERWRITE 0x80 -#define QPNP_WLED_LOOP_COMP_RES_DFLT_AMOLED_KOHM 320 #define QPNP_WLED_LOOP_COMP_RES_STEP_KOHM 20 #define QPNP_WLED_LOOP_COMP_RES_MIN_KOHM 20 #define QPNP_WLED_LOOP_COMP_RES_MAX_KOHM 320 @@ -106,10 +105,8 @@ #define QPNP_WLED_BOOST_DUTY_MIN_NS 26 #define QPNP_WLED_BOOST_DUTY_MAX_NS 156 #define QPNP_WLED_DEF_BOOST_DUTY_NS 104 -#define QPNP_WLED_SWITCH_FREQ_MASK 0x70 -#define QPNP_WLED_SWITCH_FREQ_800_KHZ 800 -#define QPNP_WLED_SWITCH_FREQ_1600_KHZ 1600 -#define QPNP_WLED_SWITCH_FREQ_OVERWRITE 0x80 +#define QPNP_WLED_SWITCH_FREQ_MASK GENMASK(3, 0) +#define QPNP_WLED_SWITCH_FREQ_OVERWRITE BIT(7) #define QPNP_WLED_OVP_MASK GENMASK(1, 0) #define QPNP_WLED_TEST4_EN_DEB_BYPASS_ILIM_BIT BIT(6) #define QPNP_WLED_TEST4_EN_SH_FOR_SS_BIT BIT(5) @@ -125,6 +122,10 @@ #define QPNP_WLED_SC_FAULT_BIT BIT(2) #define QPNP_WLED_OVP_FLT_RT_STS_BIT BIT(1) +/* QPNP_WLED_SOFTSTART_RAMP_DLY */ +#define SOFTSTART_OVERWRITE_BIT BIT(7) +#define SOFTSTART_RAMP_DELAY_MASK GENMASK(2, 0) + /* sink registers */ #define QPNP_WLED_CURR_SINK_REG(b) (b + 0x46) #define QPNP_WLED_SYNC_REG(b) (b + 0x47) @@ -404,6 +405,7 @@ struct qpnp_wled { bool ovp_irq_disabled; bool auto_calib_enabled; bool auto_calib_done; + bool module_dis_perm; ktime_t start_ovp_fault_time; }; @@ -600,6 +602,9 @@ static int qpnp_wled_module_en(struct qpnp_wled *wled, { int rc; + if (wled->module_dis_perm) + return 0; + rc = qpnp_wled_masked_write_reg(wled, QPNP_WLED_MODULE_EN_REG(base_addr), QPNP_WLED_MODULE_EN_MASK, @@ -1217,6 +1222,7 @@ static int wled_auto_calibrate(struct qpnp_wled *wled) if (!sink_config) { pr_warn("No valid WLED sinks found\n"); + wled->module_dis_perm = true; goto failed_calib; } @@ -1471,20 +1477,26 @@ static int qpnp_wled_gm_config(struct qpnp_wled *wled) u8 mask = 0, reg = 0; /* Configure the LOOP COMP GM register */ - if (wled->pmic_rev_id->pmic_subtype == PMI8998_SUBTYPE || - wled->pmic_rev_id->pmic_subtype == PM660L_SUBTYPE) { - if (wled->loop_auto_gm_en) - reg |= QPNP_WLED_VLOOP_COMP_AUTO_GM_EN; - - if (wled->loop_auto_gm_thresh > - QPNP_WLED_LOOP_AUTO_GM_THRESH_MAX) - wled->loop_auto_gm_thresh = - QPNP_WLED_LOOP_AUTO_GM_THRESH_MAX; - - reg |= wled->loop_auto_gm_thresh << - QPNP_WLED_VLOOP_COMP_AUTO_GM_THRESH_SHIFT; - mask |= QPNP_WLED_VLOOP_COMP_AUTO_GM_EN | - QPNP_WLED_VLOOP_COMP_AUTO_GM_THRESH_MASK; + if ((wled->pmic_rev_id->pmic_subtype == PMI8998_SUBTYPE || + wled->pmic_rev_id->pmic_subtype == PM660L_SUBTYPE)) { + if (wled->disp_type_amoled) { + reg = 0; + mask |= QPNP_WLED_VLOOP_COMP_AUTO_GM_EN | + QPNP_WLED_VLOOP_COMP_AUTO_GM_THRESH_MASK; + } else { + if (wled->loop_auto_gm_en) + reg |= QPNP_WLED_VLOOP_COMP_AUTO_GM_EN; + + if (wled->loop_auto_gm_thresh > + QPNP_WLED_LOOP_AUTO_GM_THRESH_MAX) + wled->loop_auto_gm_thresh = + QPNP_WLED_LOOP_AUTO_GM_THRESH_MAX; + + reg |= wled->loop_auto_gm_thresh << + QPNP_WLED_VLOOP_COMP_AUTO_GM_THRESH_SHIFT; + mask |= QPNP_WLED_VLOOP_COMP_AUTO_GM_EN | + QPNP_WLED_VLOOP_COMP_AUTO_GM_THRESH_MASK; + } } if (wled->loop_ea_gm < QPNP_WLED_LOOP_EA_GM_MIN) @@ -1777,8 +1789,17 @@ static int qpnp_wled_config(struct qpnp_wled *wled) /* Configure the Soft start Ramp delay: for AMOLED - 0,for LCD - 2 */ reg = (wled->disp_type_amoled) ? 0 : 2; - rc = qpnp_wled_write_reg(wled, - QPNP_WLED_SOFTSTART_RAMP_DLY(wled->ctrl_base), reg); + mask = SOFTSTART_RAMP_DELAY_MASK; + if ((wled->pmic_rev_id->pmic_subtype == PMI8998_SUBTYPE || + wled->pmic_rev_id->pmic_subtype == PM660L_SUBTYPE) + && wled->disp_type_amoled) { + reg |= SOFTSTART_OVERWRITE_BIT; + mask |= SOFTSTART_OVERWRITE_BIT; + } + + rc = qpnp_wled_masked_write_reg(wled, + QPNP_WLED_SOFTSTART_RAMP_DLY(wled->ctrl_base), + mask, reg); if (rc) return rc; @@ -1800,21 +1821,24 @@ static int qpnp_wled_config(struct qpnp_wled *wled) return rc; /* Configure the SWITCHING FREQ register */ - if (wled->switch_freq_khz == QPNP_WLED_SWITCH_FREQ_1600_KHZ) - temp = QPNP_WLED_SWITCH_FREQ_1600_KHZ_CODE; + if (wled->switch_freq_khz == 1600) + reg = QPNP_WLED_SWITCH_FREQ_1600_KHZ_CODE; else - temp = QPNP_WLED_SWITCH_FREQ_800_KHZ_CODE; + reg = QPNP_WLED_SWITCH_FREQ_800_KHZ_CODE; - rc = qpnp_wled_read_reg(wled, - QPNP_WLED_SWITCH_FREQ_REG(wled->ctrl_base), ®); + /* + * Do not set the overwrite bit when switching frequency is selected + * for AMOLED. This register is in logic reset block which can cause + * the value to be overwritten during module enable/disable. + */ + mask = QPNP_WLED_SWITCH_FREQ_MASK | QPNP_WLED_SWITCH_FREQ_OVERWRITE; + if (!wled->disp_type_amoled) + reg |= QPNP_WLED_SWITCH_FREQ_OVERWRITE; + + rc = qpnp_wled_masked_write_reg(wled, + QPNP_WLED_SWITCH_FREQ_REG(wled->ctrl_base), mask, reg); if (rc < 0) return rc; - reg &= QPNP_WLED_SWITCH_FREQ_MASK; - reg |= (temp | QPNP_WLED_SWITCH_FREQ_OVERWRITE); - rc = qpnp_wled_write_reg(wled, - QPNP_WLED_SWITCH_FREQ_REG(wled->ctrl_base), reg); - if (rc) - return rc; rc = qpnp_wled_ovp_config(wled); if (rc < 0) { @@ -2123,8 +2147,11 @@ static int qpnp_wled_parse_dt(struct qpnp_wled *wled) return rc; } - wled->loop_comp_res_kohm = - QPNP_WLED_LOOP_COMP_RES_DFLT_AMOLED_KOHM; + wled->loop_comp_res_kohm = 320; + if (wled->pmic_rev_id->pmic_subtype == PMI8998_SUBTYPE || + wled->pmic_rev_id->pmic_subtype == PM660L_SUBTYPE) + wled->loop_comp_res_kohm = 300; + rc = of_property_read_u32(pdev->dev.of_node, "qcom,loop-comp-res-kohm", &temp_val); if (!rc) { @@ -2252,7 +2279,7 @@ static int qpnp_wled_parse_dt(struct qpnp_wled *wled) return rc; } - wled->switch_freq_khz = QPNP_WLED_SWITCH_FREQ_800_KHZ; + wled->switch_freq_khz = wled->disp_type_amoled ? 1600 : 800; rc = of_property_read_u32(pdev->dev.of_node, "qcom,switch-freq-khz", &temp_val); if (!rc) { diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 79223dceb1c2..b19205ea1a10 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -223,7 +223,8 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev) * oldconf until no one uses it anymore. */ mddev_suspend(mddev); - oldconf = rcu_dereference(mddev->private); + oldconf = rcu_dereference_protected(mddev->private, + lockdep_is_held(&mddev->reconfig_mutex)); mddev->raid_disks++; WARN_ONCE(mddev->raid_disks != newconf->raid_disks, "copied raid_disks doesn't match mddev->raid_disks"); diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c index fdb5cdb3cd15..81abe46c9e0d 100644 --- a/drivers/net/ethernet/ibm/emac/mal.c +++ b/drivers/net/ethernet/ibm/emac/mal.c @@ -402,7 +402,7 @@ static int mal_poll(struct napi_struct *napi, int budget) unsigned long flags; MAL_DBG2(mal, "poll(%d)" NL, budget); - again: + /* Process TX skbs */ list_for_each(l, &mal->poll_list) { struct mal_commac *mc = @@ -451,7 +451,6 @@ static int mal_poll(struct napi_struct *napi, int budget) spin_lock_irqsave(&mal->lock, flags); mal_disable_eob_irq(mal); spin_unlock_irqrestore(&mal->lock, flags); - goto again; } mc->ops->poll_tx(mc->dev); } diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 0e67145bc418..4f34e1b79705 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -4415,13 +4415,12 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, struct mvpp2_txq_pcpu_buf *tx_buf = txq_pcpu->buffs + txq_pcpu->txq_get_index; - mvpp2_txq_inc_get(txq_pcpu); - dma_unmap_single(port->dev->dev.parent, tx_buf->phys, tx_buf->size, DMA_TO_DEVICE); - if (!tx_buf->skb) - continue; - dev_kfree_skb_any(tx_buf->skb); + if (tx_buf->skb) + dev_kfree_skb_any(tx_buf->skb); + + mvpp2_txq_inc_get(txq_pcpu); } } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 1494997c4f7e..4dccf7287f0f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c @@ -88,10 +88,17 @@ void mlx4_en_remove_timestamp(struct mlx4_en_dev *mdev) } } +#define MLX4_EN_WRAP_AROUND_SEC 10UL +/* By scheduling the overflow check every 5 seconds, we have a reasonably + * good chance we wont miss a wrap around. + * TOTO: Use a timer instead of a work queue to increase the guarantee. + */ +#define MLX4_EN_OVERFLOW_PERIOD (MLX4_EN_WRAP_AROUND_SEC * HZ / 2) + void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev) { bool timeout = time_is_before_jiffies(mdev->last_overflow_check + - mdev->overflow_period); + MLX4_EN_OVERFLOW_PERIOD); unsigned long flags; if (timeout) { @@ -236,7 +243,6 @@ static const struct ptp_clock_info mlx4_en_ptp_clock_info = { .enable = mlx4_en_phc_enable, }; -#define MLX4_EN_WRAP_AROUND_SEC 10ULL /* This function calculates the max shift that enables the user range * of MLX4_EN_WRAP_AROUND_SEC values in the cycles register. @@ -258,7 +264,6 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) { struct mlx4_dev *dev = mdev->dev; unsigned long flags; - u64 ns, zero = 0; /* mlx4_en_init_timestamp is called for each netdev. * mdev->ptp_clock is common for all ports, skip initialization if @@ -282,13 +287,6 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) ktime_to_ns(ktime_get_real())); write_unlock_irqrestore(&mdev->clock_lock, flags); - /* Calculate period in seconds to call the overflow watchdog - to make - * sure counter is checked at least once every wrap around. - */ - ns = cyclecounter_cyc2ns(&mdev->cycles, mdev->cycles.mask, zero, &zero); - do_div(ns, NSEC_PER_SEC / 2 / HZ); - mdev->overflow_period = ns; - /* Configure the PHC */ mdev->ptp_clock_info = mlx4_en_ptp_clock_info; snprintf(mdev->ptp_clock_info.name, 16, "mlx4 ptp"); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 31c491e02e69..99361352ed0d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -791,8 +791,6 @@ static int mlx4_slave_cap(struct mlx4_dev *dev) return -ENOSYS; } - mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz; - dev->caps.hca_core_clock = hca_param.hca_core_clock; memset(&dev_cap, 0, sizeof(dev_cap)); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index c41f15102ae0..10aa6544cf4d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -409,7 +409,6 @@ struct mlx4_en_dev { struct cyclecounter cycles; struct timecounter clock; unsigned long last_overflow_check; - unsigned long overflow_period; struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_clock_info; struct notifier_block nb; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index a444294fb555..89ad2b750531 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1196,11 +1196,13 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, switch (tun->flags & TUN_TYPE_MASK) { case IFF_TUN: if (tun->flags & IFF_NO_PI) { - switch (skb->data[0] & 0xf0) { - case 0x40: + u8 ip_version = skb->len ? (skb->data[0] >> 4) : 0; + + switch (ip_version) { + case 4: pi.proto = htons(ETH_P_IP); break; - case 0x60: + case 6: pi.proto = htons(ETH_P_IPV6); break; default: diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c index 096818610d40..213569d384e7 100644 --- a/drivers/net/wireless/ath/regd.c +++ b/drivers/net/wireless/ath/regd.c @@ -631,6 +631,8 @@ ath_regd_init_wiphy(struct ath_regulatory *reg, struct regulatory_request *request)) { const struct ieee80211_regdomain *regd; + u32 chan_num; + struct ieee80211_channel *chan; wiphy->reg_notifier = reg_notifier; wiphy->regulatory_flags |= REGULATORY_STRICT_REG | @@ -653,6 +655,20 @@ ath_regd_init_wiphy(struct ath_regulatory *reg, } wiphy_apply_custom_regulatory(wiphy, regd); + + /* For regulatory rules similar to the following: + * REG_RULE(2412-10, 2462+10, 40, 0, 20, 0), channels 12/13 are enabled + * due to support of 5/10 MHz. + * Therefore, disable 2.4 Ghz channels that dont have 20 mhz bw + */ + for (chan_num = 0; + chan_num < wiphy->bands[IEEE80211_BAND_2GHZ]->n_channels; + chan_num++) { + chan = &wiphy->bands[IEEE80211_BAND_2GHZ]->channels[chan_num]; + if (chan->flags & IEEE80211_CHAN_NO_20MHZ) + chan->flags |= IEEE80211_CHAN_DISABLED; + } + ath_reg_apply_radar_flags(wiphy); ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg); return 0; diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 019d7165a045..2a996a68fc2b 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2884,6 +2884,7 @@ static int hwsim_register_received_nl(struct sk_buff *skb_2, static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info) { struct hwsim_new_radio_params param = { 0 }; + const char *hwname = NULL; param.reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG]; param.p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE]; @@ -2897,8 +2898,14 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info) if (info->attrs[HWSIM_ATTR_NO_VIF]) param.no_vif = true; - if (info->attrs[HWSIM_ATTR_RADIO_NAME]) - param.hwname = nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]); + if (info->attrs[HWSIM_ATTR_RADIO_NAME]) { + hwname = kasprintf(GFP_KERNEL, "%.*s", + nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]), + (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME])); + if (!hwname) + return -ENOMEM; + param.hwname = hwname; + } if (info->attrs[HWSIM_ATTR_USE_CHANCTX]) param.use_chanctx = true; @@ -2926,11 +2933,15 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info) s64 idx = -1; const char *hwname = NULL; - if (info->attrs[HWSIM_ATTR_RADIO_ID]) + if (info->attrs[HWSIM_ATTR_RADIO_ID]) { idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]); - else if (info->attrs[HWSIM_ATTR_RADIO_NAME]) - hwname = (void *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]); - else + } else if (info->attrs[HWSIM_ATTR_RADIO_NAME]) { + hwname = kasprintf(GFP_KERNEL, "%.*s", + nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]), + (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME])); + if (!hwname) + return -ENOMEM; + } else return -EINVAL; spin_lock_bh(&hwsim_radio_lock); @@ -2939,7 +2950,8 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info) if (data->idx != idx) continue; } else { - if (strcmp(hwname, wiphy_name(data->hw->wiphy))) + if (!hwname || + strcmp(hwname, wiphy_name(data->hw->wiphy))) continue; } @@ -2947,10 +2959,12 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info) spin_unlock_bh(&hwsim_radio_lock); mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy), info); + kfree(hwname); return 0; } spin_unlock_bh(&hwsim_radio_lock); + kfree(hwname); return -ENODEV; } diff --git a/drivers/power/supply/qcom/fg-core.h b/drivers/power/supply/qcom/fg-core.h index b75d7db57c3e..1935704fcf09 100644 --- a/drivers/power/supply/qcom/fg-core.h +++ b/drivers/power/supply/qcom/fg-core.h @@ -404,6 +404,7 @@ struct fg_chip { struct mutex sram_rw_lock; struct mutex charge_full_lock; struct mutex qnovo_esr_ctrl_lock; + spinlock_t suspend_lock; u32 batt_soc_base; u32 batt_info_base; u32 mem_if_base; @@ -438,6 +439,7 @@ struct fg_chip { bool slope_limit_en; bool use_ima_single_mode; bool qnovo_enable; + bool suspended; struct completion soc_update; struct completion soc_ready; struct delayed_work profile_load_work; diff --git a/drivers/power/supply/qcom/qpnp-fg-gen3.c b/drivers/power/supply/qcom/qpnp-fg-gen3.c index 256d9ed8ada5..491dda6ff7e8 100644 --- a/drivers/power/supply/qcom/qpnp-fg-gen3.c +++ b/drivers/power/supply/qcom/qpnp-fg-gen3.c @@ -762,7 +762,19 @@ static int fg_get_msoc(struct fg_chip *chip, int *msoc) if (rc < 0) return rc; - *msoc = DIV_ROUND_CLOSEST(*msoc * FULL_CAPACITY, FULL_SOC_RAW); + /* + * To have better endpoints for 0 and 100, it is good to tune the + * calculation discarding values 0 and 255 while rounding off. Rest + * of the values 1-254 will be scaled to 1-99. DIV_ROUND_UP will not + * be suitable here as it rounds up any value higher than 252 to 100. + */ + if (*msoc == FULL_SOC_RAW) + *msoc = 100; + else if (*msoc == 0) + *msoc = 0; + else + *msoc = DIV_ROUND_CLOSEST((*msoc - 1) * (FULL_CAPACITY - 2), + FULL_SOC_RAW - 2) + 1; return 0; } @@ -3776,6 +3788,14 @@ static int fg_notifier_cb(struct notifier_block *nb, struct power_supply *psy = data; struct fg_chip *chip = container_of(nb, struct fg_chip, nb); + spin_lock(&chip->suspend_lock); + if (chip->suspended) { + /* Return if we are still suspended */ + spin_unlock(&chip->suspend_lock); + return NOTIFY_OK; + } + spin_unlock(&chip->suspend_lock); + if (event != PSY_EVENT_PROP_CHANGED) return NOTIFY_OK; @@ -5089,6 +5109,7 @@ static int fg_gen3_probe(struct platform_device *pdev) mutex_init(&chip->ttf.lock); mutex_init(&chip->charge_full_lock); mutex_init(&chip->qnovo_esr_ctrl_lock); + spin_lock_init(&chip->suspend_lock); init_completion(&chip->soc_update); init_completion(&chip->soc_ready); INIT_DELAYED_WORK(&chip->profile_load_work, profile_load_work); @@ -5186,6 +5207,10 @@ static int fg_gen3_suspend(struct device *dev) struct fg_chip *chip = dev_get_drvdata(dev); int rc; + spin_lock(&chip->suspend_lock); + chip->suspended = true; + spin_unlock(&chip->suspend_lock); + rc = fg_esr_timer_config(chip, true); if (rc < 0) pr_err("Error in configuring ESR timer, rc=%d\n", rc); @@ -5209,6 +5234,16 @@ static int fg_gen3_resume(struct device *dev) if (fg_sram_dump) schedule_delayed_work(&chip->sram_dump_work, msecs_to_jiffies(fg_sram_dump_period_ms)); + + if (!work_pending(&chip->status_change_work)) { + pm_stay_awake(chip->dev); + schedule_work(&chip->status_change_work); + } + + spin_lock(&chip->suspend_lock); + chip->suspended = false; + spin_unlock(&chip->suspend_lock); + return 0; } diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c index e6fb97cb12f4..7c28dc1cb0dd 100644 --- a/drivers/scsi/device_handler/scsi_dh_emc.c +++ b/drivers/scsi/device_handler/scsi_dh_emc.c @@ -456,7 +456,7 @@ static int clariion_prep_fn(struct scsi_device *sdev, struct request *req) static int clariion_std_inquiry(struct scsi_device *sdev, struct clariion_dh_data *csdev) { - int err; + int err = SCSI_DH_OK; char *sp_model; err = send_inquiry_cmd(sdev, 0, csdev); diff --git a/drivers/soc/qcom/icnss.c b/drivers/soc/qcom/icnss.c index 3afe10141ac7..83efbbe25e6b 100644 --- a/drivers/soc/qcom/icnss.c +++ b/drivers/soc/qcom/icnss.c @@ -2651,7 +2651,9 @@ event_post: clear_bit(ICNSS_HOST_TRIGGERED_PDR, &priv->state); fw_down_data.crashed = event_data->crashed; - icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, &fw_down_data); + if (test_bit(ICNSS_FW_READY, &priv->state)) + icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, + &fw_down_data); icnss_driver_event_post(ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN, ICNSS_EVENT_SYNC, event_data); done: diff --git a/drivers/soc/qcom/pil-q6v5-mss.c b/drivers/soc/qcom/pil-q6v5-mss.c index 45712457de73..1177cac25ffa 100644 --- a/drivers/soc/qcom/pil-q6v5-mss.c +++ b/drivers/soc/qcom/pil-q6v5-mss.c @@ -41,6 +41,7 @@ #define PROXY_TIMEOUT_MS 10000 #define MAX_SSR_REASON_LEN 130U #define STOP_ACK_TIMEOUT_MS 1000 +#define QDSP6SS_NMI_STATUS 0x44 #define subsys_to_drv(d) container_of(d, struct modem_data, subsys_desc) @@ -77,12 +78,17 @@ static void restart_modem(struct modem_data *drv) static irqreturn_t modem_err_fatal_intr_handler(int irq, void *dev_id) { struct modem_data *drv = subsys_to_drv(dev_id); + u32 nmi_status = readl_relaxed(drv->q6->reg_base + QDSP6SS_NMI_STATUS); /* Ignore if we're the one that set the force stop GPIO */ if (drv->crash_shutdown) return IRQ_HANDLED; - pr_err("Fatal error on the modem.\n"); + if (nmi_status & 0x04) + pr_err("%s: Fatal error on the modem due to TZ NMI\n", + __func__); + else + pr_err("%s: Fatal error on the modem\n", __func__); subsys_set_crash_status(drv->subsys, CRASH_STATUS_ERR_FATAL); restart_modem(drv); return IRQ_HANDLED; diff --git a/drivers/soc/qcom/subsys-pil-tz.c b/drivers/soc/qcom/subsys-pil-tz.c index 8bf5f8eb64ad..73b194b1dec2 100644 --- a/drivers/soc/qcom/subsys-pil-tz.c +++ b/drivers/soc/qcom/subsys-pil-tz.c @@ -43,6 +43,7 @@ #define ERR_READY 0 #define PBL_DONE 1 +#define NMI_STATUS_REGISTER 0x44 #define desc_to_data(d) container_of(d, struct pil_tz_data, desc) #define subsys_to_data(d) container_of(d, struct pil_tz_data, subsys_desc) @@ -110,6 +111,7 @@ struct pil_tz_data { void __iomem *irq_mask; void __iomem *err_status; void __iomem *err_status_spare; + void __iomem *reg_base; u32 bits_arr[2]; }; @@ -874,8 +876,19 @@ static void subsys_crash_shutdown(const struct subsys_desc *subsys) static irqreturn_t subsys_err_fatal_intr_handler (int irq, void *dev_id) { struct pil_tz_data *d = subsys_to_data(dev_id); + u32 nmi_status = 0; + + if (d->reg_base) + nmi_status = readl_relaxed(d->reg_base + + NMI_STATUS_REGISTER); + + if (nmi_status & 0x04) + pr_err("%s: Fatal error on the %s due to TZ NMI\n", + __func__, d->subsys_desc.name); + else + pr_err("%s Fatal error on the %s\n", + __func__, d->subsys_desc.name); - pr_err("Fatal error on %s!\n", d->subsys_desc.name); if (subsys_get_crash_status(d->subsys)) { pr_err("%s: Ignoring error fatal, restart in progress\n", d->subsys_desc.name); @@ -1011,6 +1024,13 @@ static int pil_tz_driver_probe(struct platform_device *pdev) d->keep_proxy_regs_on = of_property_read_bool(pdev->dev.of_node, "qcom,keep-proxy-regs-on"); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "base_reg"); + d->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(d->reg_base)) { + dev_err(&pdev->dev, "Failed to iomap base register\n"); + d->reg_base = NULL; + } + rc = of_property_read_string(pdev->dev.of_node, "qcom,firmware-name", &d->desc.name); if (rc) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index dee1cb87d24f..6030a3fdf50d 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1421,37 +1421,18 @@ err_init_queue: /*-------------------------------------------------------------------------*/ #if defined(CONFIG_OF) -static struct spi_device * -of_register_spi_device(struct spi_master *master, struct device_node *nc) +static int of_spi_parse_dt(struct spi_master *master, struct spi_device *spi, + struct device_node *nc) { - struct spi_device *spi; - int rc; u32 value; - - /* Alloc an spi_device */ - spi = spi_alloc_device(master); - if (!spi) { - dev_err(&master->dev, "spi_device alloc error for %s\n", - nc->full_name); - rc = -ENOMEM; - goto err_out; - } - - /* Select device driver */ - rc = of_modalias_node(nc, spi->modalias, - sizeof(spi->modalias)); - if (rc < 0) { - dev_err(&master->dev, "cannot find modalias for %s\n", - nc->full_name); - goto err_out; - } + int rc; /* Device address */ rc = of_property_read_u32(nc, "reg", &value); if (rc) { dev_err(&master->dev, "%s has no valid 'reg' property (%d)\n", nc->full_name, rc); - goto err_out; + return rc; } spi->chip_select = value; @@ -1509,10 +1490,41 @@ of_register_spi_device(struct spi_master *master, struct device_node *nc) if (rc) { dev_err(&master->dev, "%s has no valid 'spi-max-frequency' property (%d)\n", nc->full_name, rc); - goto err_out; + return rc; } spi->max_speed_hz = value; + return 0; +} + +static struct spi_device * +of_register_spi_device(struct spi_master *master, struct device_node *nc) +{ + struct spi_device *spi; + int rc; + + /* Alloc an spi_device */ + spi = spi_alloc_device(master); + if (!spi) { + dev_err(&master->dev, "spi_device alloc error for %s\n", + nc->full_name); + rc = -ENOMEM; + goto err_out; + } + + /* Select device driver */ + rc = of_modalias_node(nc, spi->modalias, + sizeof(spi->modalias)); + if (rc < 0) { + dev_err(&master->dev, "cannot find modalias for %s\n", + nc->full_name); + goto err_out; + } + + rc = of_spi_parse_dt(master, spi, nc); + if (rc) + goto err_out; + /* Store a pointer to the node in the device structure */ of_node_get(nc); spi->dev.of_node = nc; diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 6c88fb021444..4eeb82cf79e4 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -44,10 +44,8 @@ void iscsit_set_dataout_sequence_values( */ if (cmd->unsolicited_data) { cmd->seq_start_offset = cmd->write_data_done; - cmd->seq_end_offset = (cmd->write_data_done + - ((cmd->se_cmd.data_length > - conn->sess->sess_ops->FirstBurstLength) ? - conn->sess->sess_ops->FirstBurstLength : cmd->se_cmd.data_length)); + cmd->seq_end_offset = min(cmd->se_cmd.data_length, + conn->sess->sess_ops->FirstBurstLength); return; } diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index b2f830d6a654..1e332855b933 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -300,7 +300,7 @@ static int goldfish_tty_probe(struct platform_device *pdev) return 0; err_tty_register_device_failed: - free_irq(irq, qtty); + free_irq(irq, pdev); err_request_irq_failed: goldfish_tty_current_line_count--; if (goldfish_tty_current_line_count == 0) diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c index 416006a3384c..c2c9b9361d64 100644 --- a/drivers/tty/serial/msm_serial_hs.c +++ b/drivers/tty/serial/msm_serial_hs.c @@ -218,7 +218,7 @@ struct msm_hs_wakeup { }; struct msm_hs_port { - bool startup_locked; + atomic_t startup_locked; struct uart_port uport; unsigned long imr_reg; /* shadow value of UARTDM_IMR */ struct clk *clk; @@ -649,7 +649,6 @@ static int msm_serial_loopback_enable_set(void *data, u64 val) unsigned long flags; int ret = 0; - msm_uport->startup_locked = true; msm_hs_resource_vote(msm_uport); if (val) { @@ -669,7 +668,6 @@ static int msm_serial_loopback_enable_set(void *data, u64 val) } /* Calling CLOCK API. Hence mb() requires here. */ mb(); - msm_uport->startup_locked = false; msm_hs_resource_unvote(msm_uport); return 0; } @@ -681,13 +679,11 @@ static int msm_serial_loopback_enable_get(void *data, u64 *val) unsigned long flags; int ret = 0; - msm_uport->startup_locked = true; msm_hs_resource_vote(msm_uport); spin_lock_irqsave(&uport->lock, flags); ret = msm_hs_read(&msm_uport->uport, UART_DM_MR2); spin_unlock_irqrestore(&uport->lock, flags); - msm_uport->startup_locked = false; msm_hs_resource_unvote(msm_uport); @@ -1372,12 +1368,9 @@ static void msm_hs_stop_rx_locked(struct uart_port *uport) struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport); if (msm_uport->pm_state != MSM_HS_PM_ACTIVE) { - MSM_HS_WARN("%s(): Clocks are off\n", __func__); - /* Make sure resource_on doesn't get called */ - if (msm_hs_clk_bus_vote(msm_uport)) - MSM_HS_ERR("%s:Failed clock vote\n", __func__); - msm_hs_disable_rx(uport); - msm_hs_clk_bus_unvote(msm_uport); + MSM_HS_WARN("%s(): Clocks are off, Rx still active\n", + __func__); + return; } else msm_hs_disable_rx(uport); @@ -1421,7 +1414,7 @@ void tx_timeout_handler(unsigned long arg) if (UARTDM_ISR_CURRENT_CTS_BMSK & isr) MSM_HS_WARN("%s(): CTS Disabled, ISR 0x%x", __func__, isr); dump_uart_hs_registers(msm_uport); - /* Stop further loging */ + /* Stop further logging */ MSM_HS_ERR("%s(): Stop IPC logging\n", __func__); } @@ -1868,12 +1861,6 @@ static void msm_hs_start_tx_locked(struct uart_port *uport) struct msm_hs_tx *tx = &msm_uport->tx; unsigned int isr; - if (msm_uport->startup_locked) { - MSM_HS_DBG("%s(): No Tx Request, startup_locked=%d\n", - __func__, msm_uport->startup_locked); - return; - } - /* Bail if transfer in progress */ if (tx->flush < FLUSH_STOP || tx->dma_in_flight) { MSM_HS_INFO("%s(): retry, flush %d, dma_in_flight %d\n", @@ -1881,9 +1868,12 @@ static void msm_hs_start_tx_locked(struct uart_port *uport) if (msm_uport->pm_state == MSM_HS_PM_ACTIVE) { isr = msm_hs_read(uport, UART_DM_ISR); - if (UARTDM_ISR_CURRENT_CTS_BMSK & isr) - MSM_HS_DBG("%s():CTS 1: Peer is Busy, ISR 0x%x", - __func__, isr); + if (UARTDM_ISR_CURRENT_CTS_BMSK & isr) { + MSM_HS_DBG("%s():CTS 1: Peer is Busy\n", + __func__); + MSM_HS_DBG("%s():ISR 0x%x\n", + __func__, isr); + } } else MSM_HS_WARN("%s(): Clocks are off\n", __func__); @@ -2364,11 +2354,11 @@ void msm_hs_resource_on(struct msm_hs_port *msm_uport) unsigned int data; unsigned long flags; - if (msm_uport->startup_locked) { - MSM_HS_WARN("%s(): startup_locked=%d\n", - __func__, msm_uport->startup_locked); + if (atomic_read(&msm_uport->startup_locked)) { + MSM_HS_DBG("%s(): Port open in progress\n", __func__); return; } + msm_hs_disable_flow_control(uport, false); if (msm_uport->rx.flush == FLUSH_SHUTDOWN || msm_uport->rx.flush == FLUSH_STOP) { @@ -2387,6 +2377,8 @@ void msm_hs_resource_on(struct msm_hs_port *msm_uport) spin_unlock_irqrestore(&uport->lock, flags); } msm_hs_spsconnect_tx(msm_uport); + + msm_hs_enable_flow_control(uport, false); } /* Request to turn off uart clock once pending TX is flushed */ @@ -2679,7 +2671,7 @@ static int msm_hs_startup(struct uart_port *uport) struct sps_pipe *sps_pipe_handle_tx = tx->cons.pipe_handle; struct sps_pipe *sps_pipe_handle_rx = rx->prod.pipe_handle; - msm_uport->startup_locked = true; + atomic_set(&msm_uport->startup_locked, 1); rfr_level = uport->fifosize; if (rfr_level > 16) rfr_level -= 16; @@ -2809,7 +2801,7 @@ static int msm_hs_startup(struct uart_port *uport) atomic_set(&msm_uport->client_req_state, 0); LOG_USR_MSG(msm_uport->ipc_msm_hs_pwr_ctxt, "%s: Client_Count 0\n", __func__); - msm_uport->startup_locked = false; + atomic_set(&msm_uport->startup_locked, 0); msm_hs_start_rx_locked(uport); spin_unlock_irqrestore(&uport->lock, flags); @@ -2826,6 +2818,7 @@ unconfig_uart_gpios: free_uart_irq: free_irq(uport->irq, msm_uport); unvote_exit: + atomic_set(&msm_uport->startup_locked, 0); msm_hs_resource_unvote(msm_uport); MSM_HS_ERR("%s(): Error return\n", __func__); return ret; @@ -3238,8 +3231,6 @@ static void msm_hs_pm_suspend(struct device *dev) msm_uport->pm_state = MSM_HS_PM_SUSPENDED; msm_hs_resource_off(msm_uport); obs_manage_irq(msm_uport, false); - if (!atomic_read(&msm_uport->client_req_state)) - enable_wakeup_interrupt(msm_uport); msm_hs_clk_bus_unvote(msm_uport); /* For OBS, don't use wakeup interrupt, set gpio to suspended state */ @@ -3251,6 +3242,8 @@ static void msm_hs_pm_suspend(struct device *dev) __func__); } + if (!atomic_read(&msm_uport->client_req_state)) + enable_wakeup_interrupt(msm_uport); LOG_USR_MSG(msm_uport->ipc_msm_hs_pwr_ctxt, "%s: PM State Suspended client_count %d\n", __func__, client_count); diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c index 4e603d060e80..59828d819145 100644 --- a/drivers/tty/serial/sunhv.c +++ b/drivers/tty/serial/sunhv.c @@ -398,6 +398,12 @@ static struct uart_driver sunhv_reg = { static struct uart_port *sunhv_port; +void sunhv_migrate_hvcons_irq(int cpu) +{ + /* Migrate hvcons irq to param cpu */ + irq_force_affinity(sunhv_port->irq, cpumask_of(cpu)); +} + /* Copy 's' into the con_write_page, decoding "\n" into * "\r\n" along the way. We have to return two lengths * because the caller needs to know how much to advance diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c index 5bf931ce1353..978098f71761 100644 --- a/drivers/watchdog/kempld_wdt.c +++ b/drivers/watchdog/kempld_wdt.c @@ -140,12 +140,19 @@ static int kempld_wdt_set_stage_timeout(struct kempld_wdt_data *wdt_data, unsigned int timeout) { struct kempld_device_data *pld = wdt_data->pld; - u32 prescaler = kempld_prescaler[PRESCALER_21]; + u32 prescaler; u64 stage_timeout64; u32 stage_timeout; u32 remainder; u8 stage_cfg; +#if GCC_VERSION < 40400 + /* work around a bug compiling do_div() */ + prescaler = READ_ONCE(kempld_prescaler[PRESCALER_21]); +#else + prescaler = kempld_prescaler[PRESCALER_21]; +#endif + if (!stage) return -EINVAL; diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 63a6152be04b..c5bbb5300658 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -1648,6 +1648,9 @@ static int is_inode_existent(struct send_ctx *sctx, u64 ino, u64 gen) { int ret; + if (ino == BTRFS_FIRST_FREE_OBJECTID) + return 1; + ret = get_cur_inode_state(sctx, ino, gen); if (ret < 0) goto out; @@ -1833,7 +1836,7 @@ static int will_overwrite_ref(struct send_ctx *sctx, u64 dir, u64 dir_gen, * not delted and then re-created, if it was then we have no overwrite * and we can just unlink this entry. */ - if (sctx->parent_root) { + if (sctx->parent_root && dir != BTRFS_FIRST_FREE_OBJECTID) { ret = get_inode_info(sctx->parent_root, dir, NULL, &gen, NULL, NULL, NULL, NULL); if (ret < 0 && ret != -ENOENT) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index f54f77037d22..ead89489ae71 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1845,13 +1845,18 @@ static int build_dentry_path(struct dentry *dentry, int *pfreepath) { char *path; + struct inode *dir; - if (ceph_snap(d_inode(dentry->d_parent)) == CEPH_NOSNAP) { - *pino = ceph_ino(d_inode(dentry->d_parent)); + rcu_read_lock(); + dir = d_inode_rcu(dentry->d_parent); + if (dir && ceph_snap(dir) == CEPH_NOSNAP) { + *pino = ceph_ino(dir); + rcu_read_unlock(); *ppath = dentry->d_name.name; *ppathlen = dentry->d_name.len; return 0; } + rcu_read_unlock(); path = ceph_mdsc_build_path(dentry, ppathlen, pino, 1); if (IS_ERR(path)) return PTR_ERR(path); diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 15bdc2d48cfe..24ace275160c 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -696,6 +696,14 @@ int set_callback_cred(void) return 0; } +void cleanup_callback_cred(void) +{ + if (callback_cred) { + put_rpccred(callback_cred); + callback_cred = NULL; + } +} + static struct rpc_cred *get_backchannel_cred(struct nfs4_client *clp, struct rpc_clnt *client, struct nfsd4_session *ses) { if (clp->cl_minorversion == 0) { diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 9e5a6842346e..ca9ebc3242d3 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -6792,23 +6792,24 @@ nfs4_state_start(void) ret = set_callback_cred(); if (ret) - return -ENOMEM; + return ret; + laundry_wq = alloc_workqueue("%s", WQ_UNBOUND, 0, "nfsd4"); if (laundry_wq == NULL) { ret = -ENOMEM; - goto out_recovery; + goto out_cleanup_cred; } ret = nfsd4_create_callback_queue(); if (ret) goto out_free_laundry; set_max_delegations(); - return 0; out_free_laundry: destroy_workqueue(laundry_wq); -out_recovery: +out_cleanup_cred: + cleanup_callback_cred(); return ret; } @@ -6847,6 +6848,7 @@ nfs4_state_shutdown(void) { destroy_workqueue(laundry_wq); nfsd4_destroy_callback_queue(); + cleanup_callback_cred(); } static void diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 5134eedcb16c..86af697c21d3 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -595,6 +595,7 @@ extern struct nfs4_client_reclaim *nfsd4_find_reclaim_client(const char *recdir, extern __be32 nfs4_check_open_reclaim(clientid_t *clid, struct nfsd4_compound_state *cstate, struct nfsd_net *nn); extern int set_callback_cred(void); +extern void cleanup_callback_cred(void); extern void nfsd4_probe_callback(struct nfs4_client *clp); extern void nfsd4_probe_callback_sync(struct nfs4_client *clp); extern void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 60a5f1548cd9..555b57a16499 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -531,6 +531,7 @@ void ocfs2_lock_res_init_once(struct ocfs2_lock_res *res) init_waitqueue_head(&res->l_event); INIT_LIST_HEAD(&res->l_blocked_list); INIT_LIST_HEAD(&res->l_mask_waiters); + INIT_LIST_HEAD(&res->l_holders); } void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res, @@ -748,6 +749,50 @@ void ocfs2_lock_res_free(struct ocfs2_lock_res *res) res->l_flags = 0UL; } +/* + * Keep a list of processes who have interest in a lockres. + * Note: this is now only uesed for check recursive cluster locking. + */ +static inline void ocfs2_add_holder(struct ocfs2_lock_res *lockres, + struct ocfs2_lock_holder *oh) +{ + INIT_LIST_HEAD(&oh->oh_list); + oh->oh_owner_pid = get_pid(task_pid(current)); + + spin_lock(&lockres->l_lock); + list_add_tail(&oh->oh_list, &lockres->l_holders); + spin_unlock(&lockres->l_lock); +} + +static inline void ocfs2_remove_holder(struct ocfs2_lock_res *lockres, + struct ocfs2_lock_holder *oh) +{ + spin_lock(&lockres->l_lock); + list_del(&oh->oh_list); + spin_unlock(&lockres->l_lock); + + put_pid(oh->oh_owner_pid); +} + +static inline int ocfs2_is_locked_by_me(struct ocfs2_lock_res *lockres) +{ + struct ocfs2_lock_holder *oh; + struct pid *pid; + + /* look in the list of holders for one with the current task as owner */ + spin_lock(&lockres->l_lock); + pid = task_pid(current); + list_for_each_entry(oh, &lockres->l_holders, oh_list) { + if (oh->oh_owner_pid == pid) { + spin_unlock(&lockres->l_lock); + return 1; + } + } + spin_unlock(&lockres->l_lock); + + return 0; +} + static inline void ocfs2_inc_holders(struct ocfs2_lock_res *lockres, int level) { @@ -2343,8 +2388,9 @@ int ocfs2_inode_lock_full_nested(struct inode *inode, goto getbh; } - if (ocfs2_mount_local(osb)) - goto local; + if ((arg_flags & OCFS2_META_LOCK_GETBH) || + ocfs2_mount_local(osb)) + goto update; if (!(arg_flags & OCFS2_META_LOCK_RECOVERY)) ocfs2_wait_for_recovery(osb); @@ -2373,7 +2419,7 @@ int ocfs2_inode_lock_full_nested(struct inode *inode, if (!(arg_flags & OCFS2_META_LOCK_RECOVERY)) ocfs2_wait_for_recovery(osb); -local: +update: /* * We only see this flag if we're being called from * ocfs2_read_locked_inode(). It means we're locking an inode @@ -2515,6 +2561,59 @@ void ocfs2_inode_unlock(struct inode *inode, ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level); } +/* + * This _tracker variantes are introduced to deal with the recursive cluster + * locking issue. The idea is to keep track of a lock holder on the stack of + * the current process. If there's a lock holder on the stack, we know the + * task context is already protected by cluster locking. Currently, they're + * used in some VFS entry routines. + * + * return < 0 on error, return == 0 if there's no lock holder on the stack + * before this call, return == 1 if this call would be a recursive locking. + */ +int ocfs2_inode_lock_tracker(struct inode *inode, + struct buffer_head **ret_bh, + int ex, + struct ocfs2_lock_holder *oh) +{ + int status; + int arg_flags = 0, has_locked; + struct ocfs2_lock_res *lockres; + + lockres = &OCFS2_I(inode)->ip_inode_lockres; + has_locked = ocfs2_is_locked_by_me(lockres); + /* Just get buffer head if the cluster lock has been taken */ + if (has_locked) + arg_flags = OCFS2_META_LOCK_GETBH; + + if (likely(!has_locked || ret_bh)) { + status = ocfs2_inode_lock_full(inode, ret_bh, ex, arg_flags); + if (status < 0) { + if (status != -ENOENT) + mlog_errno(status); + return status; + } + } + if (!has_locked) + ocfs2_add_holder(lockres, oh); + + return has_locked; +} + +void ocfs2_inode_unlock_tracker(struct inode *inode, + int ex, + struct ocfs2_lock_holder *oh, + int had_lock) +{ + struct ocfs2_lock_res *lockres; + + lockres = &OCFS2_I(inode)->ip_inode_lockres; + if (!had_lock) { + ocfs2_remove_holder(lockres, oh); + ocfs2_inode_unlock(inode, ex); + } +} + int ocfs2_orphan_scan_lock(struct ocfs2_super *osb, u32 *seqno) { struct ocfs2_lock_res *lockres; diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h index d293a22c32c5..a7fc18ba0dc1 100644 --- a/fs/ocfs2/dlmglue.h +++ b/fs/ocfs2/dlmglue.h @@ -70,6 +70,11 @@ struct ocfs2_orphan_scan_lvb { __be32 lvb_os_seqno; }; +struct ocfs2_lock_holder { + struct list_head oh_list; + struct pid *oh_owner_pid; +}; + /* ocfs2_inode_lock_full() 'arg_flags' flags */ /* don't wait on recovery. */ #define OCFS2_META_LOCK_RECOVERY (0x01) @@ -77,6 +82,8 @@ struct ocfs2_orphan_scan_lvb { #define OCFS2_META_LOCK_NOQUEUE (0x02) /* don't block waiting for the downconvert thread, instead return -EAGAIN */ #define OCFS2_LOCK_NONBLOCK (0x04) +/* just get back disk inode bh if we've got cluster lock. */ +#define OCFS2_META_LOCK_GETBH (0x08) /* Locking subclasses of inode cluster lock */ enum { @@ -170,4 +177,15 @@ void ocfs2_put_dlm_debug(struct ocfs2_dlm_debug *dlm_debug); /* To set the locking protocol on module initialization */ void ocfs2_set_locking_protocol(void); + +/* The _tracker pair is used to avoid cluster recursive locking */ +int ocfs2_inode_lock_tracker(struct inode *inode, + struct buffer_head **ret_bh, + int ex, + struct ocfs2_lock_holder *oh); +void ocfs2_inode_unlock_tracker(struct inode *inode, + int ex, + struct ocfs2_lock_holder *oh, + int had_lock); + #endif /* DLMGLUE_H */ diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 7a0126267847..2495066a9ca3 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -172,6 +172,7 @@ struct ocfs2_lock_res { struct list_head l_blocked_list; struct list_head l_mask_waiters; + struct list_head l_holders; unsigned long l_flags; char l_name[OCFS2_LOCK_ID_MAX_LEN]; diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 4d9f233c4ba8..7d58ffdacd62 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -105,15 +105,35 @@ do { \ (__ret); \ }) -#define this_cpu_generic_read(pcp) \ +#define __this_cpu_generic_read_nopreempt(pcp) \ ({ \ typeof(pcp) __ret; \ preempt_disable(); \ - __ret = *this_cpu_ptr(&(pcp)); \ + __ret = READ_ONCE(*raw_cpu_ptr(&(pcp))); \ preempt_enable(); \ __ret; \ }) +#define __this_cpu_generic_read_noirq(pcp) \ +({ \ + typeof(pcp) __ret; \ + unsigned long __flags; \ + raw_local_irq_save(__flags); \ + __ret = *raw_cpu_ptr(&(pcp)); \ + raw_local_irq_restore(__flags); \ + __ret; \ +}) + +#define this_cpu_generic_read(pcp) \ +({ \ + typeof(pcp) __ret; \ + if (__native_word(pcp)) \ + __ret = __this_cpu_generic_read_nopreempt(pcp); \ + else \ + __ret = __this_cpu_generic_read_noirq(pcp); \ + __ret; \ +}) + #define this_cpu_generic_to_op(pcp, val, op) \ do { \ unsigned long __flags; \ diff --git a/include/linux/memblock.h b/include/linux/memblock.h index d4b56351027b..2d79ec1496e5 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -330,7 +330,7 @@ void memblock_enforce_memory_limit(phys_addr_t memory_limit); int memblock_is_memory(phys_addr_t addr); int memblock_is_map_memory(phys_addr_t addr); int memblock_is_region_memory(phys_addr_t base, phys_addr_t size); -int memblock_overlaps_memory(phys_addr_t base, phys_addr_t size); +bool memblock_overlaps_memory(phys_addr_t base, phys_addr_t size); int memblock_is_reserved(phys_addr_t addr); bool memblock_is_region_reserved(phys_addr_t base, phys_addr_t size); diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 6ff6ab8534dd..2181ae5db42e 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -303,6 +303,7 @@ struct trace_event_call { int perf_refcount; struct hlist_head __percpu *perf_events; struct bpf_prog *prog; + struct perf_event *bpf_prog_owner; int (*perf_perm)(struct trace_event_call *, struct perf_event *); diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h index cccdcfd14973..f348c736e6e0 100644 --- a/include/net/sctp/ulpevent.h +++ b/include/net/sctp/ulpevent.h @@ -141,8 +141,12 @@ __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event); static inline int sctp_ulpevent_type_enabled(__u16 sn_type, struct sctp_event_subscribe *mask) { + int offset = sn_type - SCTP_SN_TYPE_BASE; char *amask = (char *) mask; - return amask[sn_type - SCTP_SN_TYPE_BASE]; + + if (offset >= sizeof(struct sctp_event_subscribe)) + return 0; + return amask[offset]; } /* Given an event subscription, is this event enabled? */ diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index feffec7b489a..7047c9589003 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -1544,9 +1544,9 @@ TRACE_EVENT(sched_load_avg_cpu, __entry->util_avg_pelt = cfs_rq->avg.util_avg; __entry->util_avg_walt = 0; #ifdef CONFIG_SCHED_WALT - __entry->util_avg_walt = - cpu_rq(cpu)->prev_runnable_sum << SCHED_LOAD_SHIFT; - do_div(__entry->util_avg_walt, walt_ravg_window); + __entry->util_avg_walt = + div64_u64(cpu_rq(cpu)->cumulative_runnable_avg, + walt_ravg_window >> SCHED_LOAD_SHIFT); if (!walt_disabled && sysctl_sched_use_walt_cpu_util) __entry->util_avg = __entry->util_avg_walt; #endif @@ -1851,6 +1851,153 @@ TRACE_EVENT(sched_overutilized, TP_printk("overutilized=%d", __entry->overutilized ? 1 : 0) ); +#ifdef CONFIG_SCHED_WALT +struct rq; + +TRACE_EVENT(walt_update_task_ravg, + + TP_PROTO(struct task_struct *p, struct rq *rq, int evt, + u64 wallclock, u64 irqtime), + + TP_ARGS(p, rq, evt, wallclock, irqtime), + + TP_STRUCT__entry( + __array( char, comm, TASK_COMM_LEN ) + __field( pid_t, pid ) + __field( pid_t, cur_pid ) + __field( u64, wallclock ) + __field( u64, mark_start ) + __field( u64, delta_m ) + __field( u64, win_start ) + __field( u64, delta ) + __field( u64, irqtime ) + __field( int, evt ) + __field(unsigned int, demand ) + __field(unsigned int, sum ) + __field( int, cpu ) + __field( u64, cs ) + __field( u64, ps ) + __field(unsigned long, util ) + __field( u32, curr_window ) + __field( u32, prev_window ) + __field( u64, nt_cs ) + __field( u64, nt_ps ) + __field( u32, active_windows ) + ), + + TP_fast_assign( + __entry->wallclock = wallclock; + __entry->win_start = rq->window_start; + __entry->delta = (wallclock - rq->window_start); + __entry->evt = evt; + __entry->cpu = rq->cpu; + __entry->cur_pid = rq->curr->pid; + memcpy(__entry->comm, p->comm, TASK_COMM_LEN); + __entry->pid = p->pid; + __entry->mark_start = p->ravg.mark_start; + __entry->delta_m = (wallclock - p->ravg.mark_start); + __entry->demand = p->ravg.demand; + __entry->sum = p->ravg.sum; + __entry->irqtime = irqtime; + __entry->cs = rq->curr_runnable_sum; + __entry->ps = rq->prev_runnable_sum; + __entry->util = rq->prev_runnable_sum << SCHED_LOAD_SHIFT; + do_div(__entry->util, walt_ravg_window); + __entry->curr_window = p->ravg.curr_window; + __entry->prev_window = p->ravg.prev_window; + __entry->nt_cs = rq->nt_curr_runnable_sum; + __entry->nt_ps = rq->nt_prev_runnable_sum; + __entry->active_windows = p->ravg.active_windows; + ), + + TP_printk("wc %llu ws %llu delta %llu event %d cpu %d cur_pid %d task %d (%s) ms %llu delta %llu demand %u sum %u irqtime %llu" + " cs %llu ps %llu util %lu cur_window %u prev_window %u active_wins %u" + , __entry->wallclock, __entry->win_start, __entry->delta, + __entry->evt, __entry->cpu, __entry->cur_pid, + __entry->pid, __entry->comm, __entry->mark_start, + __entry->delta_m, __entry->demand, + __entry->sum, __entry->irqtime, + __entry->cs, __entry->ps, __entry->util, + __entry->curr_window, __entry->prev_window, + __entry->active_windows + ) +); + +TRACE_EVENT(walt_update_history, + + TP_PROTO(struct rq *rq, struct task_struct *p, u32 runtime, int samples, + int evt), + + TP_ARGS(rq, p, runtime, samples, evt), + + TP_STRUCT__entry( + __array( char, comm, TASK_COMM_LEN ) + __field( pid_t, pid ) + __field(unsigned int, runtime ) + __field( int, samples ) + __field( int, evt ) + __field( u64, demand ) + __field( u64, walt_avg ) + __field(unsigned int, pelt_avg ) + __array( u32, hist, RAVG_HIST_SIZE_MAX) + __field( int, cpu ) + ), + + TP_fast_assign( + memcpy(__entry->comm, p->comm, TASK_COMM_LEN); + __entry->pid = p->pid; + __entry->runtime = runtime; + __entry->samples = samples; + __entry->evt = evt; + __entry->demand = p->ravg.demand; + __entry->walt_avg = (__entry->demand << 10) / walt_ravg_window, + __entry->pelt_avg = p->se.avg.util_avg; + memcpy(__entry->hist, p->ravg.sum_history, + RAVG_HIST_SIZE_MAX * sizeof(u32)); + __entry->cpu = rq->cpu; + ), + + TP_printk("%d (%s): runtime %u samples %d event %d demand %llu" + " walt %llu pelt %u (hist: %u %u %u %u %u) cpu %d", + __entry->pid, __entry->comm, + __entry->runtime, __entry->samples, __entry->evt, + __entry->demand, + __entry->walt_avg, + __entry->pelt_avg, + __entry->hist[0], __entry->hist[1], + __entry->hist[2], __entry->hist[3], + __entry->hist[4], __entry->cpu) +); + +TRACE_EVENT(walt_migration_update_sum, + + TP_PROTO(struct rq *rq, struct task_struct *p), + + TP_ARGS(rq, p), + + TP_STRUCT__entry( + __field(int, cpu ) + __field(int, pid ) + __field( u64, cs ) + __field( u64, ps ) + __field( s64, nt_cs ) + __field( s64, nt_ps ) + ), + + TP_fast_assign( + __entry->cpu = cpu_of(rq); + __entry->cs = rq->curr_runnable_sum; + __entry->ps = rq->prev_runnable_sum; + __entry->nt_cs = (s64)rq->nt_curr_runnable_sum; + __entry->nt_ps = (s64)rq->nt_prev_runnable_sum; + __entry->pid = p->pid; + ), + + TP_printk("cpu %d: cs %llu ps %llu nt_cs %lld nt_ps %lld pid %d", + __entry->cpu, __entry->cs, __entry->ps, + __entry->nt_cs, __entry->nt_ps, __entry->pid) +); +#endif /* CONFIG_SCHED_WALT */ #endif /* CONFIG_SMP */ diff --git a/include/uapi/linux/mroute6.h b/include/uapi/linux/mroute6.h index ce91215cf7e6..e0b566dc72ef 100644 --- a/include/uapi/linux/mroute6.h +++ b/include/uapi/linux/mroute6.h @@ -3,6 +3,7 @@ #include <linux/types.h> #include <linux/sockios.h> +#include <linux/in6.h> /* For struct sockaddr_in6. */ /* * Based on the MROUTING 3.5 defines primarily to keep diff --git a/include/uapi/linux/rds.h b/include/uapi/linux/rds.h index 0f9265cb2a96..7af20a136429 100644 --- a/include/uapi/linux/rds.h +++ b/include/uapi/linux/rds.h @@ -35,6 +35,7 @@ #define _LINUX_RDS_H #include <linux/types.h> +#include <linux/socket.h> /* For __kernel_sockaddr_storage. */ #define RDS_IB_ABI_VERSION 0x301 @@ -223,7 +224,7 @@ struct rds_get_mr_args { }; struct rds_get_mr_for_dest_args { - struct sockaddr_storage dest_addr; + struct __kernel_sockaddr_storage dest_addr; struct rds_iovec vec; uint64_t cookie_addr; uint64_t flags; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index c97bce6a0e0e..eb759f5008b8 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1044,7 +1044,8 @@ static int check_alu_op(struct verifier_env *env, struct bpf_insn *insn) } } else { if (insn->src_reg != BPF_REG_0 || insn->off != 0 || - (insn->imm != 16 && insn->imm != 32 && insn->imm != 64)) { + (insn->imm != 16 && insn->imm != 32 && insn->imm != 64) || + BPF_CLASS(insn->code) == BPF_ALU64) { verbose("BPF_END uses reserved fields\n"); return -EINVAL; } diff --git a/kernel/events/core.c b/kernel/events/core.c index 98928fb7fecc..322f63370038 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7302,6 +7302,7 @@ static int perf_event_set_bpf_prog(struct perf_event *event, u32 prog_fd) } event->tp_event->prog = prog; + event->tp_event->bpf_prog_owner = event; return 0; } @@ -7314,7 +7315,7 @@ static void perf_event_free_bpf_prog(struct perf_event *event) return; prog = event->tp_event->prog; - if (prog) { + if (prog && event->tp_event->bpf_prog_owner == event) { event->tp_event->prog = NULL; bpf_prog_put_rcu(prog); } diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 60ace56618f6..0e2c4911ba61 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -3128,10 +3128,17 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, if (depth) { hlock = curr->held_locks + depth - 1; if (hlock->class_idx == class_idx && nest_lock) { - if (hlock->references) + if (hlock->references) { + /* + * Check: unsigned int references:12, overflow. + */ + if (DEBUG_LOCKS_WARN_ON(hlock->references == (1 << 12)-1)) + return 0; + hlock->references++; - else + } else { hlock->references = 2; + } return 1; } diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4581a6c9b16f..c408280ddd12 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3209,16 +3209,9 @@ static void sched_freq_tick_walt(int cpu) static void sched_freq_tick(int cpu) { - unsigned long capacity_orig, capacity_curr; - if (!sched_freq()) return; - capacity_orig = capacity_orig_of(cpu); - capacity_curr = capacity_curr_of(cpu); - if (capacity_curr == capacity_orig) - return; - _sched_freq_tick(cpu); } #else diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index aa016919eab8..6e3ab49c262a 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7386,9 +7386,6 @@ static int start_cpu(bool boosted) { struct root_domain *rd = cpu_rq(smp_processor_id())->rd; - RCU_LOCKDEP_WARN(rcu_read_lock_sched_held(), - "sched RCU must be held"); - return boosted ? rd->max_cap_orig_cpu : rd->min_cap_orig_cpu; } @@ -10276,6 +10273,7 @@ static int need_active_balance(struct lb_env *env) if (energy_aware() && (capacity_of(env->src_cpu) < capacity_of(env->dst_cpu)) && + ((capacity_orig_of(env->src_cpu) < capacity_orig_of(env->dst_cpu))) && env->src_rq->cfs.h_nr_running == 1 && cpu_overutilized(env->src_cpu) && !cpu_overutilized(env->dst_cpu)) { diff --git a/kernel/sched/walt.c b/kernel/sched/walt.c index 28e999554463..441cba01bc04 100644 --- a/kernel/sched/walt.c +++ b/kernel/sched/walt.c @@ -20,7 +20,6 @@ */ #include <linux/syscore_ops.h> -#include <linux/cpufreq.h> #include <trace/events/sched.h> #include "sched.h" #include "walt.h" @@ -45,29 +44,6 @@ unsigned int sysctl_sched_walt_init_task_load_pct = 15; /* 1 -> use PELT based load stats, 0 -> use window-based load stats */ unsigned int __read_mostly walt_disabled = 0; -static unsigned int max_possible_efficiency = 1024; -static unsigned int min_possible_efficiency = 1024; - -/* - * Maximum possible frequency across all cpus. Task demand and cpu - * capacity (cpu_power) metrics are scaled in reference to it. - */ -static unsigned int max_possible_freq = 1; - -/* - * Minimum possible max_freq across all cpus. This will be same as - * max_possible_freq on homogeneous systems and could be different from - * max_possible_freq on heterogenous systems. min_max_freq is used to derive - * capacity (cpu_power) of cpus. - */ -static unsigned int min_max_freq = 1; - -static unsigned int max_load_scale_factor = 1024; -static unsigned int max_possible_capacity = 1024; - -/* Mask of all CPUs that have max_possible_capacity */ -static cpumask_t mpc_mask = CPU_MASK_ALL; - /* Window size (in ns) */ __read_mostly unsigned int walt_ravg_window = 20000000; @@ -206,24 +182,16 @@ update_window_start(struct rq *rq, u64 wallclock) rq->window_start += (u64)nr_windows * (u64)walt_ravg_window; } +/* + * Translate absolute delta time accounted on a CPU + * to a scale where 1024 is the capacity of the most + * capable CPU running at FMAX + */ static u64 scale_exec_time(u64 delta, struct rq *rq) { - unsigned int cur_freq = rq->cur_freq; - int sf; - - if (unlikely(cur_freq > max_possible_freq)) - cur_freq = rq->max_possible_freq; - - /* round up div64 */ - delta = div64_u64(delta * cur_freq + max_possible_freq - 1, - max_possible_freq); - - sf = DIV_ROUND_UP(rq->efficiency * 1024, max_possible_efficiency); - - delta *= sf; - delta >>= 10; + unsigned long capcurr = capacity_curr_of(cpu_of(rq)); - return delta; + return (delta * capcurr) >> SCHED_CAPACITY_SHIFT; } static int cpu_is_waiting_on_io(struct rq *rq) @@ -746,33 +714,6 @@ done: p->ravg.mark_start = wallclock; } -unsigned long __weak arch_get_cpu_efficiency(int cpu) -{ - return SCHED_LOAD_SCALE; -} - -void walt_init_cpu_efficiency(void) -{ - int i, efficiency; - unsigned int max = 0, min = UINT_MAX; - - for_each_possible_cpu(i) { - efficiency = arch_get_cpu_efficiency(i); - cpu_rq(i)->efficiency = efficiency; - - if (efficiency > max) - max = efficiency; - if (efficiency < min) - min = efficiency; - } - - if (max) - max_possible_efficiency = max; - - if (min) - min_possible_efficiency = min; -} - static void reset_task_stats(struct task_struct *p) { u32 sum = 0; @@ -877,242 +818,6 @@ void walt_fixup_busy_time(struct task_struct *p, int new_cpu) double_rq_unlock(src_rq, dest_rq); } -/* - * Return 'capacity' of a cpu in reference to "least" efficient cpu, such that - * least efficient cpu gets capacity of 1024 - */ -static unsigned long capacity_scale_cpu_efficiency(int cpu) -{ - return (1024 * cpu_rq(cpu)->efficiency) / min_possible_efficiency; -} - -/* - * Return 'capacity' of a cpu in reference to cpu with lowest max_freq - * (min_max_freq), such that one with lowest max_freq gets capacity of 1024. - */ -static unsigned long capacity_scale_cpu_freq(int cpu) -{ - return (1024 * cpu_rq(cpu)->max_freq) / min_max_freq; -} - -/* - * Return load_scale_factor of a cpu in reference to "most" efficient cpu, so - * that "most" efficient cpu gets a load_scale_factor of 1 - */ -static unsigned long load_scale_cpu_efficiency(int cpu) -{ - return DIV_ROUND_UP(1024 * max_possible_efficiency, - cpu_rq(cpu)->efficiency); -} - -/* - * Return load_scale_factor of a cpu in reference to cpu with best max_freq - * (max_possible_freq), so that one with best max_freq gets a load_scale_factor - * of 1. - */ -static unsigned long load_scale_cpu_freq(int cpu) -{ - return DIV_ROUND_UP(1024 * max_possible_freq, cpu_rq(cpu)->max_freq); -} - -static int compute_capacity(int cpu) -{ - int capacity = 1024; - - capacity *= capacity_scale_cpu_efficiency(cpu); - capacity >>= 10; - - capacity *= capacity_scale_cpu_freq(cpu); - capacity >>= 10; - - return capacity; -} - -static int compute_load_scale_factor(int cpu) -{ - int load_scale = 1024; - - /* - * load_scale_factor accounts for the fact that task load - * is in reference to "best" performing cpu. Task's load will need to be - * scaled (up) by a factor to determine suitability to be placed on a - * (little) cpu. - */ - load_scale *= load_scale_cpu_efficiency(cpu); - load_scale >>= 10; - - load_scale *= load_scale_cpu_freq(cpu); - load_scale >>= 10; - - return load_scale; -} - -static int cpufreq_notifier_policy(struct notifier_block *nb, - unsigned long val, void *data) -{ - struct cpufreq_policy *policy = (struct cpufreq_policy *)data; - int i, update_max = 0; - u64 highest_mpc = 0, highest_mplsf = 0; - const struct cpumask *cpus = policy->related_cpus; - unsigned int orig_min_max_freq = min_max_freq; - unsigned int orig_max_possible_freq = max_possible_freq; - /* Initialized to policy->max in case policy->related_cpus is empty! */ - unsigned int orig_max_freq = policy->max; - - if (val != CPUFREQ_NOTIFY) - return 0; - - for_each_cpu(i, policy->related_cpus) { - cpumask_copy(&cpu_rq(i)->freq_domain_cpumask, - policy->related_cpus); - orig_max_freq = cpu_rq(i)->max_freq; - cpu_rq(i)->min_freq = policy->min; - cpu_rq(i)->max_freq = policy->max; - cpu_rq(i)->cur_freq = policy->cur; - cpu_rq(i)->max_possible_freq = policy->cpuinfo.max_freq; - } - - max_possible_freq = max(max_possible_freq, policy->cpuinfo.max_freq); - if (min_max_freq == 1) - min_max_freq = UINT_MAX; - min_max_freq = min(min_max_freq, policy->cpuinfo.max_freq); - BUG_ON(!min_max_freq); - BUG_ON(!policy->max); - - /* Changes to policy other than max_freq don't require any updates */ - if (orig_max_freq == policy->max) - return 0; - - /* - * A changed min_max_freq or max_possible_freq (possible during bootup) - * needs to trigger re-computation of load_scale_factor and capacity for - * all possible cpus (even those offline). It also needs to trigger - * re-computation of nr_big_task count on all online cpus. - * - * A changed rq->max_freq otoh needs to trigger re-computation of - * load_scale_factor and capacity for just the cluster of cpus involved. - * Since small task definition depends on max_load_scale_factor, a - * changed load_scale_factor of one cluster could influence - * classification of tasks in another cluster. Hence a changed - * rq->max_freq will need to trigger re-computation of nr_big_task - * count on all online cpus. - * - * While it should be sufficient for nr_big_tasks to be - * re-computed for only online cpus, we have inadequate context - * information here (in policy notifier) with regard to hotplug-safety - * context in which notification is issued. As a result, we can't use - * get_online_cpus() here, as it can lead to deadlock. Until cpufreq is - * fixed up to issue notification always in hotplug-safe context, - * re-compute nr_big_task for all possible cpus. - */ - - if (orig_min_max_freq != min_max_freq || - orig_max_possible_freq != max_possible_freq) { - cpus = cpu_possible_mask; - update_max = 1; - } - - /* - * Changed load_scale_factor can trigger reclassification of tasks as - * big or small. Make this change "atomic" so that tasks are accounted - * properly due to changed load_scale_factor - */ - for_each_cpu(i, cpus) { - struct rq *rq = cpu_rq(i); - - rq->capacity = compute_capacity(i); - rq->load_scale_factor = compute_load_scale_factor(i); - - if (update_max) { - u64 mpc, mplsf; - - mpc = div_u64(((u64) rq->capacity) * - rq->max_possible_freq, rq->max_freq); - rq->max_possible_capacity = (int) mpc; - - mplsf = div_u64(((u64) rq->load_scale_factor) * - rq->max_possible_freq, rq->max_freq); - - if (mpc > highest_mpc) { - highest_mpc = mpc; - cpumask_clear(&mpc_mask); - cpumask_set_cpu(i, &mpc_mask); - } else if (mpc == highest_mpc) { - cpumask_set_cpu(i, &mpc_mask); - } - - if (mplsf > highest_mplsf) - highest_mplsf = mplsf; - } - } - - if (update_max) { - max_possible_capacity = highest_mpc; - max_load_scale_factor = highest_mplsf; - } - - return 0; -} - -static int cpufreq_notifier_trans(struct notifier_block *nb, - unsigned long val, void *data) -{ - struct cpufreq_freqs *freq = (struct cpufreq_freqs *)data; - unsigned int cpu = freq->cpu, new_freq = freq->new; - unsigned long flags; - int i; - - if (val != CPUFREQ_POSTCHANGE) - return 0; - - BUG_ON(!new_freq); - - if (cpu_rq(cpu)->cur_freq == new_freq) - return 0; - - for_each_cpu(i, &cpu_rq(cpu)->freq_domain_cpumask) { - struct rq *rq = cpu_rq(i); - - raw_spin_lock_irqsave(&rq->lock, flags); - walt_update_task_ravg(rq->curr, rq, TASK_UPDATE, - walt_ktime_clock(), 0); - rq->cur_freq = new_freq; - raw_spin_unlock_irqrestore(&rq->lock, flags); - } - - return 0; -} - -static struct notifier_block notifier_policy_block = { - .notifier_call = cpufreq_notifier_policy -}; - -static struct notifier_block notifier_trans_block = { - .notifier_call = cpufreq_notifier_trans -}; - -static int register_sched_callback(void) -{ - int ret; - - ret = cpufreq_register_notifier(¬ifier_policy_block, - CPUFREQ_POLICY_NOTIFIER); - - if (!ret) - ret = cpufreq_register_notifier(¬ifier_trans_block, - CPUFREQ_TRANSITION_NOTIFIER); - - return 0; -} - -/* - * cpufreq callbacks can be registered at core_initcall or later time. - * Any registration done prior to that is "forgotten" by cpufreq. See - * initialization of variable init_cpufreq_transition_notifier_list_called - * for further information. - */ -core_initcall(register_sched_callback); - void walt_init_new_task_load(struct task_struct *p) { int i; diff --git a/mm/memblock.c b/mm/memblock.c index 351a4840a407..241225579f3a 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1605,11 +1605,12 @@ int __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size memblock.memory.regions[idx].size) >= end; } -int __init_memblock memblock_overlaps_memory(phys_addr_t base, phys_addr_t size) +bool __init_memblock memblock_overlaps_memory(phys_addr_t base, + phys_addr_t size) { memblock_cap_size(base, &size); - return memblock_overlaps_region(&memblock.memory, base, size) >= 0; + return memblock_overlaps_region(&memblock.memory, base, size); } /** diff --git a/mm/slab_common.c b/mm/slab_common.c index bec2fce9fafc..01e7246de8df 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -250,7 +250,7 @@ struct kmem_cache *find_mergeable(size_t size, size_t align, { struct kmem_cache *s; - if (slab_nomerge || (flags & SLAB_NEVER_MERGE)) + if (slab_nomerge) return NULL; if (ctor) @@ -261,6 +261,9 @@ struct kmem_cache *find_mergeable(size_t size, size_t align, size = ALIGN(size, align); flags = kmem_cache_flags(size, flags, name, NULL); + if (flags & SLAB_NEVER_MERGE) + return NULL; + list_for_each_entry_reverse(s, &slab_caches, list) { if (slab_unmergeable(s)) continue; diff --git a/net/core/sock.c b/net/core/sock.c index 39e9ab7c598e..acc60ec11630 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1528,6 +1528,8 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) sock_copy(newsk, sk); + newsk->sk_prot_creator = sk->sk_prot; + /* SANITY */ if (likely(newsk->sk_net_refcnt)) get_net(sock_net(newsk)); diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index 65036891e080..a03f834f16d5 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -156,6 +156,7 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev, struct ip_tunnel_parm *parms = &tunnel->parms; struct dst_entry *dst = skb_dst(skb); struct net_device *tdev; /* Device to other host */ + int pkt_len = skb->len; int err; if (!dst) { @@ -199,7 +200,7 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev, err = dst_output(tunnel->net, skb->sk, skb); if (net_xmit_eval(err) == 0) - err = skb->len; + err = pkt_len; iptunnel_xmit_stats(err, &dev->stats, dev->tstats); return NETDEV_TX_OK; diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index ab0efaca4a78..6150a038711b 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1177,24 +1177,25 @@ static int ip6gre_tunnel_change_mtu(struct net_device *dev, int new_mtu) } static int ip6gre_header(struct sk_buff *skb, struct net_device *dev, - unsigned short type, - const void *daddr, const void *saddr, unsigned int len) + unsigned short type, const void *daddr, + const void *saddr, unsigned int len) { struct ip6_tnl *t = netdev_priv(dev); - struct ipv6hdr *ipv6h = (struct ipv6hdr *)skb_push(skb, t->hlen); - __be16 *p = (__be16 *)(ipv6h+1); + struct ipv6hdr *ipv6h; + __be16 *p; - ip6_flow_hdr(ipv6h, 0, - ip6_make_flowlabel(dev_net(dev), skb, - t->fl.u.ip6.flowlabel, true, - &t->fl.u.ip6)); + ipv6h = (struct ipv6hdr *)skb_push(skb, t->hlen + sizeof(*ipv6h)); + ip6_flow_hdr(ipv6h, 0, ip6_make_flowlabel(dev_net(dev), skb, + t->fl.u.ip6.flowlabel, + true, &t->fl.u.ip6)); ipv6h->hop_limit = t->parms.hop_limit; ipv6h->nexthdr = NEXTHDR_GRE; ipv6h->saddr = t->parms.laddr; ipv6h->daddr = t->parms.raddr; - p[0] = t->parms.o_flags; - p[1] = htons(type); + p = (__be16 *)(ipv6h + 1); + p[0] = t->parms.o_flags; + p[1] = htons(type); /* * Set the source hardware address. diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 5b7433887eda..f615f982961a 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -434,6 +434,7 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) struct dst_entry *dst = skb_dst(skb); struct net_device *tdev; struct xfrm_state *x; + int pkt_len = skb->len; int err = -1; int mtu; @@ -487,7 +488,7 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats); u64_stats_update_begin(&tstats->syncp); - tstats->tx_bytes += skb->len; + tstats->tx_bytes += pkt_len; tstats->tx_packets++; u64_stats_update_end(&tstats->syncp); } else { diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index d3dec414fd44..d48281ca9c72 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1321,6 +1321,9 @@ static void l2tp_tunnel_del_work(struct work_struct *work) struct sock *sk = NULL; tunnel = container_of(work, struct l2tp_tunnel, del_work); + + l2tp_tunnel_closeall(tunnel); + sk = l2tp_tunnel_sock_lookup(tunnel); if (!sk) goto out; @@ -1640,15 +1643,12 @@ EXPORT_SYMBOL_GPL(l2tp_tunnel_create); /* This function is used by the netlink TUNNEL_DELETE command. */ -int l2tp_tunnel_delete(struct l2tp_tunnel *tunnel) +void l2tp_tunnel_delete(struct l2tp_tunnel *tunnel) { - l2tp_tunnel_inc_refcount(tunnel); - l2tp_tunnel_closeall(tunnel); - if (false == queue_work(l2tp_wq, &tunnel->del_work)) { - l2tp_tunnel_dec_refcount(tunnel); - return 1; + if (!test_and_set_bit(0, &tunnel->dead)) { + l2tp_tunnel_inc_refcount(tunnel); + queue_work(l2tp_wq, &tunnel->del_work); } - return 0; } EXPORT_SYMBOL_GPL(l2tp_tunnel_delete); diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 555d962a62d2..9cf546846edb 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -169,6 +169,9 @@ struct l2tp_tunnel_cfg { struct l2tp_tunnel { int magic; /* Should be L2TP_TUNNEL_MAGIC */ + + unsigned long dead; + struct rcu_head rcu; rwlock_t hlist_lock; /* protect session_hlist */ struct hlist_head session_hlist[L2TP_HASH_SIZE]; @@ -253,7 +256,7 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg, struct l2tp_tunnel **tunnelp); void l2tp_tunnel_closeall(struct l2tp_tunnel *tunnel); -int l2tp_tunnel_delete(struct l2tp_tunnel *tunnel); +void l2tp_tunnel_delete(struct l2tp_tunnel *tunnel); struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunnel, u32 session_id, u32 peer_session_id, diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index d2075804cbff..a450be6812b8 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -662,7 +662,7 @@ static void __sta_info_recalc_tim(struct sta_info *sta, bool ignore_pending) } /* No need to do anything if the driver does all */ - if (ieee80211_hw_check(&local->hw, AP_LINK_PS)) + if (ieee80211_hw_check(&local->hw, AP_LINK_PS) && !local->ops->set_tim) return; if (sta->dead) diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index acf5c7b3f378..7f16d19d6198 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -395,7 +395,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) struct net *net = nf_ct_exp_net(expect); struct hlist_node *next; unsigned int h; - int ret = 1; + int ret = 0; if (!master_help) { ret = -ESHUTDOWN; @@ -445,7 +445,7 @@ int nf_ct_expect_related_report(struct nf_conntrack_expect *expect, spin_lock_bh(&nf_conntrack_expect_lock); ret = __nf_ct_expect_check(expect); - if (ret <= 0) + if (ret < 0) goto out; ret = nf_ct_expect_insert(expect); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index b70055fc30cb..241f69039a72 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1652,10 +1652,6 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) mutex_lock(&fanout_mutex); - err = -EINVAL; - if (!po->running) - goto out; - err = -EALREADY; if (po->fanout) goto out; @@ -1704,7 +1700,10 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) list_add(&match->list, &fanout_list); } err = -EINVAL; - if (match->type == type && + + spin_lock(&po->bind_lock); + if (po->running && + match->type == type && match->prot_hook.type == po->prot_hook.type && match->prot_hook.dev == po->prot_hook.dev) { err = -ENOSPC; @@ -1716,6 +1715,13 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) err = 0; } } + spin_unlock(&po->bind_lock); + + if (err && !atomic_read(&match->sk_ref)) { + list_del(&match->list); + kfree(match); + } + out: if (err && rollover) { kfree(rollover); @@ -2650,6 +2656,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) int vnet_hdr_len; struct packet_sock *po = pkt_sk(sk); unsigned short gso_type = 0; + bool has_vnet_hdr = false; int hlen, tlen, linear; int extra_len = 0; ssize_t n; @@ -2737,6 +2744,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) goto out_unlock; } + has_vnet_hdr = true; } if (unlikely(sock_flag(sk, SOCK_NOFCS))) { @@ -2796,7 +2804,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) packet_pick_tx_queue(dev, skb); - if (po->has_vnet_hdr) { + if (has_vnet_hdr) { if (vnet_hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) { u16 s = __virtio16_to_cpu(vio_le(), vnet_hdr.csum_start); u16 o = __virtio16_to_cpu(vio_le(), vnet_hdr.csum_offset); @@ -2938,13 +2946,15 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex, int ret = 0; bool unlisted = false; - if (po->fanout) - return -EINVAL; - lock_sock(sk); spin_lock(&po->bind_lock); rcu_read_lock(); + if (po->fanout) { + ret = -EINVAL; + goto out_unlock; + } + if (name) { dev = dev_get_by_name_rcu(sock_net(sk), name); if (!dev) { diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 8740930f0787..67bddcb2ff46 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -541,7 +541,7 @@ bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err) return false; if (msg_errcode(msg)) return false; - *err = -TIPC_ERR_NO_NAME; + *err = TIPC_ERR_NO_NAME; if (skb_linearize(skb)) return false; msg = buf_msg(skb); diff --git a/sound/soc/msm/apq8096-auto.c b/sound/soc/msm/apq8096-auto.c index f1af708f9a50..1fbdc7049d13 100644 --- a/sound/soc/msm/apq8096-auto.c +++ b/sound/soc/msm/apq8096-auto.c @@ -53,9 +53,11 @@ static int msm_hdmi_rx_ch = 2; static int msm_proxy_rx_ch = 2; static int hdmi_rx_sample_rate = SAMPLING_RATE_48KHZ; static int msm_sec_mi2s_tx_ch = 2; +static int msm_sec_mi2s_rx_ch = 2; static int msm_tert_mi2s_tx_ch = 2; static int msm_quat_mi2s_rx_ch = 2; static int msm_sec_mi2s_tx_bit_format = SNDRV_PCM_FORMAT_S16_LE; +static int msm_sec_mi2s_rx_bit_format = SNDRV_PCM_FORMAT_S16_LE; static int msm_tert_mi2s_tx_bit_format = SNDRV_PCM_FORMAT_S16_LE; static int msm_quat_mi2s_rx_bit_format = SNDRV_PCM_FORMAT_S16_LE; static int msm_sec_mi2s_rate = SAMPLING_RATE_48KHZ; @@ -775,6 +777,41 @@ static int msm_tert_mi2s_tx_bit_format_put(struct snd_kcontrol *kcontrol, return 0; } +static int msm_sec_mi2s_rx_bit_format_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + switch (msm_sec_mi2s_rx_bit_format) { + case SNDRV_PCM_FORMAT_S24_LE: + ucontrol->value.integer.value[0] = 1; + break; + case SNDRV_PCM_FORMAT_S16_LE: + default: + ucontrol->value.integer.value[0] = 0; + break; + } + pr_debug("%s: msm_sec_mi2s_rx_bit_format = %ld\n", + __func__, ucontrol->value.integer.value[0]); + return 0; +} + +static int msm_sec_mi2s_rx_bit_format_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + switch (ucontrol->value.integer.value[0]) { + case 1: + msm_sec_mi2s_rx_bit_format = SNDRV_PCM_FORMAT_S24_LE; + break; + case 0: + default: + msm_sec_mi2s_rx_bit_format = SNDRV_PCM_FORMAT_S16_LE; + break; + } + pr_debug("%s: msm_sec_mi2s_rx_bit_format = %d\n", + __func__, msm_sec_mi2s_rx_bit_format); + return 0; +} + + static int msm_sec_mi2s_tx_bit_format_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -2897,16 +2934,38 @@ static int msm_hdmi_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, static int msm_mi2s_rx_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); - pr_debug("%s: channel:%d\n", __func__, msm_quat_mi2s_rx_ch); rate->min = rate->max = SAMPLING_RATE_48KHZ; - channels->min = channels->max = msm_quat_mi2s_rx_ch; - param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT, - msm_quat_mi2s_rx_bit_format); + + switch (cpu_dai->id) { + case 1: /*MSM_SEC_MI2S*/ + pr_debug("%s: channel:%d\n", __func__, msm_sec_mi2s_rx_ch); + rate->min = rate->max = msm_sec_mi2s_rate; + channels->min = channels->max = msm_sec_mi2s_rx_ch; + param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT, + msm_sec_mi2s_rx_bit_format); + break; + case 3: /*MSM_QUAT_MI2S*/ + pr_debug("%s: channel:%d\n", __func__, msm_quat_mi2s_rx_ch); + rate->min = rate->max = SAMPLING_RATE_48KHZ; + channels->min = channels->max = msm_quat_mi2s_rx_ch; + param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT, + msm_quat_mi2s_rx_bit_format); + break; + default: + pr_err("%s: dai id 0x%x not supported\n", + __func__, cpu_dai->id); + return -EINVAL; + } + + pr_debug("%s: dai id = 0x%x channels = %d rate = %d format = 0x%x\n", + __func__, cpu_dai->id, channels->max, rate->max, + params_format(params)); return 0; } @@ -3835,6 +3894,9 @@ static const struct snd_kcontrol_new msm_snd_controls[] = { SOC_ENUM_EXT("TERT_MI2S_TX Bit Format", msm_snd_enum[7], msm_tert_mi2s_tx_bit_format_get, msm_tert_mi2s_tx_bit_format_put), + SOC_ENUM_EXT("SEC_MI2S_RX Bit Format", msm_snd_enum[7], + msm_sec_mi2s_rx_bit_format_get, + msm_sec_mi2s_rx_bit_format_put), SOC_ENUM_EXT("SEC_MI2S_TX Bit Format", msm_snd_enum[7], msm_sec_mi2s_tx_bit_format_get, msm_sec_mi2s_tx_bit_format_put), @@ -5541,6 +5603,21 @@ static struct snd_soc_dai_link apq8096_common_be_dai_links[] = { static struct snd_soc_dai_link apq8096_auto_be_dai_links[] = { /* Backend DAI Links */ + { + .name = LPASS_BE_SEC_MI2S_RX, + .stream_name = "Secondary MI2S Playback", + .cpu_dai_name = "msm-dai-q6-mi2s.1", + .platform_name = "msm-pcm-routing", + .codec_name = "msm-stub-codec.1", + .codec_dai_name = "msm-stub-rx", + .no_pcm = 1, + .dpcm_playback = 1, + .be_id = MSM_BACKEND_DAI_SECONDARY_MI2S_RX, + .be_hw_params_fixup = msm_mi2s_rx_be_hw_params_fixup, + .ops = &apq8096_mi2s_be_ops, + .ignore_suspend = 1, + .ignore_pmdown_time = 1, + }, { .name = LPASS_BE_SEC_MI2S_TX, .stream_name = "Secondary MI2S Capture", |