| Commit message (Collapse) | Author | Age |
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This change disables FB driver and enable DRM display driver
on msm8996 auto defconfig.
Change-Id: Ic214b70dd47379464220e4f801c2ab38753c9a10
Signed-off-by: Rahul Sharma <sharah@codeaurora.org>
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The existing state check will create a corner case that when FW
crashed during driver probe, platform driver won't send early
uevent notification to host driver, which create a small window where
host can communicate with FW when FW is crashed. This case can be
covered by checking FW_READY state instead.
CRs-Fixed: 2122702
Change-Id: I0bde9cb5a526ccd9fe81cd38bd4c27cf2e95042b
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>
Signed-off-by: Anurag Chouhan <achouhan@codeaurora.org>
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The minimum bandwidth supported is 5 MHZ. Kernel API
wiphy_apply_custom_regulatory can enable channels 12/13
with BW 5/10 even for reg rule 2402-2472. Circumvent the issue
by doing a check in the driver.
CRs-Fixed: 2136273
Change-Id: I296e45d142c38a83c90deb743e992eb1a7743feb
Signed-off-by: Rajeev Kumar Sirasanagandla <rsirasan@codeaurora.org>
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Currently, there is a possibility of nested sleep
during handling of data ready notification to diag
clients. The patch fixes the issue by properly
handling data ready notifications.
Change-Id: Ib30455b41d1b05bff33cc0a627c1fc7e9a1b7568
Signed-off-by: Mohit Aggarwal <maggarwa@codeaurora.org>
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Currently, all the values of raw monotonic SOC (0-255) gets
rounded off to 0-100. This can show up monotonic SOC hitting 0%
earlier when the SOC hadn't really hit zero yet. Improve the
SOC round off calculation so that 0 and 100 % can be shown when
it reaches the exact point.
Change-Id: I5bd9ebc8667a5beed9e1e97ff492aa1350f4d0f7
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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DFS support is disabled for ath10k driver.
Enable the DFS support for ath10k in the defconfig and perf defconfig.
CRs-Fixed: 2124757
Change-Id: Iccecd2226fd13034b12a8978b68f9535178ed430
Signed-off-by: Surabhi Vishnoi <svishnoi@codeaurora.org>
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GPU clock requires to support 430MHz, so add the support
for the same on sdm660.
Change-Id: Ief238fbe521a10f8096ac44844f5abe013649f81
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>
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Support SEC_MI2S_RX dai link and export kcontrols to update
Bit Format configuration.
CRs-fixed: 2112037
Change-Id: Ic70b501d900a3f0dab2608fda0f1573cb59c7d35
Signed-off-by: Hugh Guan <hhguan@codeaurora.org>
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Some registers are configured incorrectly for AMOLED mode in WLED
peripheral. Fix them based on the hardware documentation.
Change-Id: If021423653b94f1bcc97cdb50b7067af24bcef61
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Currently, auto calibration will be invoked if an OVP fault is
triggered because of an incorrect sink configuration. However,
there are certain hardware platforms where the display panel is
not used. It is hard to differentiate such platforms as they
will be using the same device tree configuration or parameters
related to display panel passed through the bootloader.
Disable the module permanently and also keep the OVP fault
interrupt disabled when a valid sink configuration is not found
by auto calibration.
Change-Id: I302322020e8d6d4f92901dac468602c357967e18
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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As per the hardware documentation, WLED1_CTRL_SWITCHING_FREQUENCY
register is in logic_rb instead of in periph_rb. With overwrite
bit (bit 7) set, this can change the switching frequency from
1.6 MHz to 800 KHz for AMOLED whenever the module is disabled and
enabled. Fix this by not setting the overwrite bit for AMOLED
panel so that the frequency can be selected internally by the
hardware based on EN_AMOLED configuration.
Change-Id: I1594af40b53f762fa97884c019ad70f24ea78257
CRs-Fixed: 2106094
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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There is a scenario where the status change work can hold
a mutex lock for ~1.5 seconds which can race with the FG resume
callback. Avoid this condition by adding a state variable
to track the suspend/resume state and skip executing the
status change work while suspended.
CRs-Fixed: 2101514
Change-Id: Ib5300a5dfce30c4c6bcc8d8428b664c184a83fb4
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
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This function always returns true, because it calls
memblock_overlaps_region() which returns a bool now. Change the
signature to bool and pass it on up instead.
Change-Id: I4b6403b823d20552a28006e35083d8056346dc51
Cc: Patrick Daly <pdaly@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
[satyap@codeaurora.org: trivial merge conflict resolution]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
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* refs/heads/tmp-89074de
Linux 4.4.94
Revert "tty: goldfish: Fix a parameter of a call to free_irq"
cpufreq: CPPC: add ACPI_PROCESSOR dependency
nfsd/callback: Cleanup callback cred on shutdown
target/iscsi: Fix unsolicited data seq_end_offset calculation
uapi: fix linux/mroute6.h userspace compilation errors
uapi: fix linux/rds.h userspace compilation errors
ceph: clean up unsafe d_parent accesses in build_dentry_path
i2c: at91: ensure state is restored after suspending
net: mvpp2: release reference to txq_cpu[] entry after unmapping
scsi: scsi_dh_emc: return success in clariion_std_inquiry()
slub: do not merge cache if slub_debug contains a never-merge flag
ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock
crypto: xts - Add ECB dependency
net/mlx4_core: Fix VF overwrite of module param which disables DMFS on new probed PFs
sparc64: Migrate hvcons irq to panicked cpu
md/linear: shutup lockdep warnning
f2fs: do not wait for writeback in write_begin
Btrfs: send, fix failure to rename top level inode due to name collision
iio: adc: xilinx: Fix error handling
netfilter: nf_ct_expect: Change __nf_ct_expect_check() return value.
net/mlx4_en: fix overflow in mlx4_en_init_timestamp()
mac80211: fix power saving clients handling in iwlwifi
mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length
irqchip/crossbar: Fix incorrect type of local variables
watchdog: kempld: fix gcc-4.3 build
locking/lockdep: Add nest_lock integrity test
Revert "bsg-lib: don't free job in bsg_prepare_job"
tipc: use only positive error codes in messages
net: Set sk_prot_creator when cloning sockets to the right proto
packet: only test po->has_vnet_hdr once in packet_snd
packet: in packet_do_bind, test fanout with bind_lock held
tun: bail out from tun_get_user() if the skb is empty
l2tp: fix race condition in l2tp_tunnel_delete
l2tp: Avoid schedule while atomic in exit_net
vti: fix use after free in vti_tunnel_xmit/vti6_tnl_xmit
isdn/i4l: fetch the ppp_write buffer in one shot
bpf: one perf event close won't free bpf program attached by another perf event
packet: hold bind lock when rebinding to fanout hook
net: emac: Fix napi poll list corruption
ip6_gre: skb_push ipv6hdr before packing the header in ip6gre_header
udpv6: Fix the checksum computation when HW checksum does not apply
bpf/verifier: reject BPF_ALU64|BPF_END
sctp: potential read out of bounds in sctp_ulpevent_type_enabled()
MIPS: Fix minimum alignment requirement of IRQ stack
drm/dp/mst: save vcpi with payloads
percpu: make this_cpu_generic_read() atomic w.r.t. interrupts
trace: sched: Fix util_avg_walt in sched_load_avg_cpu trace
sched/fair: remove erroneous RCU_LOCKDEP_WARN from start_cpu()
sched: EAS/WALT: finish accounting prior to task_tick
cpufreq: sched: update capacity request upon tick always
sched/fair: prevent meaningless active migration
sched: walt: Leverage existing helper APIs to apply invariance
Conflicts:
kernel/sched/core.c
kernel/sched/fair.c
kernel/sched/sched.h
Change-Id: I0effac90fb6a4db559479bfa2fefa31c41200ce9
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.94
percpu: make this_cpu_generic_read() atomic w.r.t. interrupts
drm/dp/mst: save vcpi with payloads
MIPS: Fix minimum alignment requirement of IRQ stack
sctp: potential read out of bounds in sctp_ulpevent_type_enabled()
bpf/verifier: reject BPF_ALU64|BPF_END
udpv6: Fix the checksum computation when HW checksum does not apply
ip6_gre: skb_push ipv6hdr before packing the header in ip6gre_header
net: emac: Fix napi poll list corruption
packet: hold bind lock when rebinding to fanout hook
bpf: one perf event close won't free bpf program attached by another perf event
isdn/i4l: fetch the ppp_write buffer in one shot
vti: fix use after free in vti_tunnel_xmit/vti6_tnl_xmit
l2tp: Avoid schedule while atomic in exit_net
l2tp: fix race condition in l2tp_tunnel_delete
tun: bail out from tun_get_user() if the skb is empty
packet: in packet_do_bind, test fanout with bind_lock held
packet: only test po->has_vnet_hdr once in packet_snd
net: Set sk_prot_creator when cloning sockets to the right proto
tipc: use only positive error codes in messages
Revert "bsg-lib: don't free job in bsg_prepare_job"
locking/lockdep: Add nest_lock integrity test
watchdog: kempld: fix gcc-4.3 build
irqchip/crossbar: Fix incorrect type of local variables
mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length
mac80211: fix power saving clients handling in iwlwifi
net/mlx4_en: fix overflow in mlx4_en_init_timestamp()
netfilter: nf_ct_expect: Change __nf_ct_expect_check() return value.
iio: adc: xilinx: Fix error handling
Btrfs: send, fix failure to rename top level inode due to name collision
f2fs: do not wait for writeback in write_begin
md/linear: shutup lockdep warnning
sparc64: Migrate hvcons irq to panicked cpu
net/mlx4_core: Fix VF overwrite of module param which disables DMFS on new probed PFs
crypto: xts - Add ECB dependency
ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock
slub: do not merge cache if slub_debug contains a never-merge flag
scsi: scsi_dh_emc: return success in clariion_std_inquiry()
net: mvpp2: release reference to txq_cpu[] entry after unmapping
i2c: at91: ensure state is restored after suspending
ceph: clean up unsafe d_parent accesses in build_dentry_path
uapi: fix linux/rds.h userspace compilation errors
uapi: fix linux/mroute6.h userspace compilation errors
target/iscsi: Fix unsolicited data seq_end_offset calculation
nfsd/callback: Cleanup callback cred on shutdown
cpufreq: CPPC: add ACPI_PROCESSOR dependency
Revert "tty: goldfish: Fix a parameter of a call to free_irq"
Linux 4.4.94
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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This reverts commit 01b3db29ba1edd79b9c3e7cd294739b70257d278 which is
commit 1a5c2d1de7d35f5eb9793266237903348989502b upstream.
Ben writes:
This fixes a bug introduced in 4.6 by commit 465893e18878 "tty:
goldfish: support platform_device with id -1". For earlier
kernel versions, it *introduces* a bug.
So let's drop it.
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
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[ Upstream commit a578884fa0d2768f13d37c6591a9e1ed600482d3 ]
Without the Kconfig dependency, we can get this warning:
warning: ACPI_CPPC_CPUFREQ selects ACPI_CPPC_LIB which has unmet direct dependencies (ACPI && ACPI_PROCESSOR)
Fixes: 5477fb3bd1e8 (ACPI / CPPC: Add a CPUFreq driver for use with CPPC)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f7d1ddbe7648af7460d23688c8c131342eb43b3a ]
The rpccred gotten from rpc_lookup_machine_cred() should be put when
state is shutdown.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4d65491c269729a1e3b375c45e73213f49103d33 ]
In case of unsolicited data for the first sequence
seq_end_offset must be set to minimum of total data length
and FirstBurstLength, so do not add cmd->write_data_done
to the min of total data length and FirstBurstLength.
This patch avoids that with ImmediateData=Yes, InitialR2T=No,
MaxXmitDataSegmentLength < FirstBurstLength that a WRITE command
with IO size above FirstBurstLength triggers sequence error
messages, for example
Set following parameters on target (linux-4.8.12)
ImmediateData = Yes
InitialR2T = No
MaxXmitDataSegmentLength = 8k
FirstBurstLength = 64k
Log in from Open iSCSI initiator and execute
dd if=/dev/zero of=/dev/sdb bs=128k count=1 oflag=direct
Error messages on target
Command ITT: 0x00000035 with Offset: 65536, Length: 8192 outside
of Sequence 73728:131072 while DataSequenceInOrder=Yes.
Command ITT: 0x00000035, received DataSN: 0x00000001 higher than
expected 0x00000000.
Unable to perform within-command recovery while ERL=0.
Signed-off-by: Varun Prakash <varun@chelsio.com>
[ bvanassche: Use min() instead of open-coding it / edited patch description ]
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 72aa107df6a275cf03359934ca5799a2be7a1bf7 ]
Include <linux/in6.h> to fix the following linux/mroute6.h userspace
compilation errors:
/usr/include/linux/mroute6.h:80:22: error: field 'mf6cc_origin' has incomplete type
struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */
/usr/include/linux/mroute6.h:81:22: error: field 'mf6cc_mcastgrp' has incomplete type
struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */
/usr/include/linux/mroute6.h:91:22: error: field 'src' has incomplete type
struct sockaddr_in6 src;
/usr/include/linux/mroute6.h:92:22: error: field 'grp' has incomplete type
struct sockaddr_in6 grp;
/usr/include/linux/mroute6.h:132:18: error: field 'im6_src' has incomplete type
struct in6_addr im6_src, im6_dst;
/usr/include/linux/mroute6.h:132:27: error: field 'im6_dst' has incomplete type
struct in6_addr im6_src, im6_dst;
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit feb0869d90e51ce8b6fd8a46588465b1b5a26d09 ]
Consistently use types from linux/types.h to fix the following
linux/rds.h userspace compilation errors:
/usr/include/linux/rds.h:106:2: error: unknown type name 'uint8_t'
uint8_t name[32];
/usr/include/linux/rds.h:107:2: error: unknown type name 'uint64_t'
uint64_t value;
/usr/include/linux/rds.h:117:2: error: unknown type name 'uint64_t'
uint64_t next_tx_seq;
/usr/include/linux/rds.h:118:2: error: unknown type name 'uint64_t'
uint64_t next_rx_seq;
/usr/include/linux/rds.h:121:2: error: unknown type name 'uint8_t'
uint8_t transport[TRANSNAMSIZ]; /* null term ascii */
/usr/include/linux/rds.h:122:2: error: unknown type name 'uint8_t'
uint8_t flags;
/usr/include/linux/rds.h:129:2: error: unknown type name 'uint64_t'
uint64_t seq;
/usr/include/linux/rds.h:130:2: error: unknown type name 'uint32_t'
uint32_t len;
/usr/include/linux/rds.h:135:2: error: unknown type name 'uint8_t'
uint8_t flags;
/usr/include/linux/rds.h:139:2: error: unknown type name 'uint32_t'
uint32_t sndbuf;
/usr/include/linux/rds.h:144:2: error: unknown type name 'uint32_t'
uint32_t rcvbuf;
/usr/include/linux/rds.h:145:2: error: unknown type name 'uint64_t'
uint64_t inum;
/usr/include/linux/rds.h:153:2: error: unknown type name 'uint64_t'
uint64_t hdr_rem;
/usr/include/linux/rds.h:154:2: error: unknown type name 'uint64_t'
uint64_t data_rem;
/usr/include/linux/rds.h:155:2: error: unknown type name 'uint32_t'
uint32_t last_sent_nxt;
/usr/include/linux/rds.h:156:2: error: unknown type name 'uint32_t'
uint32_t last_expected_una;
/usr/include/linux/rds.h:157:2: error: unknown type name 'uint32_t'
uint32_t last_seen_una;
/usr/include/linux/rds.h:164:2: error: unknown type name 'uint8_t'
uint8_t src_gid[RDS_IB_GID_LEN];
/usr/include/linux/rds.h:165:2: error: unknown type name 'uint8_t'
uint8_t dst_gid[RDS_IB_GID_LEN];
/usr/include/linux/rds.h:167:2: error: unknown type name 'uint32_t'
uint32_t max_send_wr;
/usr/include/linux/rds.h:168:2: error: unknown type name 'uint32_t'
uint32_t max_recv_wr;
/usr/include/linux/rds.h:169:2: error: unknown type name 'uint32_t'
uint32_t max_send_sge;
/usr/include/linux/rds.h:170:2: error: unknown type name 'uint32_t'
uint32_t rdma_mr_max;
/usr/include/linux/rds.h:171:2: error: unknown type name 'uint32_t'
uint32_t rdma_mr_size;
/usr/include/linux/rds.h:212:9: error: unknown type name 'uint64_t'
typedef uint64_t rds_rdma_cookie_t;
/usr/include/linux/rds.h:215:2: error: unknown type name 'uint64_t'
uint64_t addr;
/usr/include/linux/rds.h:216:2: error: unknown type name 'uint64_t'
uint64_t bytes;
/usr/include/linux/rds.h:221:2: error: unknown type name 'uint64_t'
uint64_t cookie_addr;
/usr/include/linux/rds.h:222:2: error: unknown type name 'uint64_t'
uint64_t flags;
/usr/include/linux/rds.h:228:2: error: unknown type name 'uint64_t'
uint64_t cookie_addr;
/usr/include/linux/rds.h:229:2: error: unknown type name 'uint64_t'
uint64_t flags;
/usr/include/linux/rds.h:234:2: error: unknown type name 'uint64_t'
uint64_t flags;
/usr/include/linux/rds.h:240:2: error: unknown type name 'uint64_t'
uint64_t local_vec_addr;
/usr/include/linux/rds.h:241:2: error: unknown type name 'uint64_t'
uint64_t nr_local;
/usr/include/linux/rds.h:242:2: error: unknown type name 'uint64_t'
uint64_t flags;
/usr/include/linux/rds.h:243:2: error: unknown type name 'uint64_t'
uint64_t user_token;
/usr/include/linux/rds.h:248:2: error: unknown type name 'uint64_t'
uint64_t local_addr;
/usr/include/linux/rds.h:249:2: error: unknown type name 'uint64_t'
uint64_t remote_addr;
/usr/include/linux/rds.h:252:4: error: unknown type name 'uint64_t'
uint64_t compare;
/usr/include/linux/rds.h:253:4: error: unknown type name 'uint64_t'
uint64_t swap;
/usr/include/linux/rds.h:256:4: error: unknown type name 'uint64_t'
uint64_t add;
/usr/include/linux/rds.h:259:4: error: unknown type name 'uint64_t'
uint64_t compare;
/usr/include/linux/rds.h:260:4: error: unknown type name 'uint64_t'
uint64_t swap;
/usr/include/linux/rds.h:261:4: error: unknown type name 'uint64_t'
uint64_t compare_mask;
/usr/include/linux/rds.h:262:4: error: unknown type name 'uint64_t'
uint64_t swap_mask;
/usr/include/linux/rds.h:265:4: error: unknown type name 'uint64_t'
uint64_t add;
/usr/include/linux/rds.h:266:4: error: unknown type name 'uint64_t'
uint64_t nocarry_mask;
/usr/include/linux/rds.h:269:2: error: unknown type name 'uint64_t'
uint64_t flags;
/usr/include/linux/rds.h:270:2: error: unknown type name 'uint64_t'
uint64_t user_token;
/usr/include/linux/rds.h:274:2: error: unknown type name 'uint64_t'
uint64_t user_token;
/usr/include/linux/rds.h:275:2: error: unknown type name 'int32_t'
int32_t status;
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c6b0b656ca24ede6657abb4a2cd910fa9c1879ba ]
While we hold a reference to the dentry when build_dentry_path is
called, we could end up racing with a rename that changes d_parent.
Handle that situation correctly, by using the rcu_read_lock to
ensure that the parent dentry and inode stick around long enough
to safely check ceph_snap and ceph_ino.
Link: http://tracker.ceph.com/issues/18148
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Yan, Zheng <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e3ccc921b7d8fd1fcd10a00720e09823d8078666 ]
When going to suspend, the I2C registers may be lost because the power to
VDDcore is cut. Restore them when resuming.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 36fb7435b6ac4d288a2d4deea8934f9456ab46b6 ]
The mvpp2_txq_bufs_free() function is called upon TX completion to DMA
unmap TX buffers, and free the corresponding SKBs. It gets the
references to the SKB to free and the DMA buffer to unmap from a per-CPU
txq_pcpu data structure.
However, the code currently increments the pointer to the next entry
before doing the DMA unmap and freeing the SKB. It does not cause any
visible problem because for a given SKB the TX completion is guaranteed
to take place on the CPU where the TX was started. However, it is much
more logical to increment the pointer to the next entry once the current
entry has been completely unmapped/released.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4d7d39a18b8b81511f0b893b7d2203790bf8a58b ]
We accidentally return an uninitialized variable on success.
Fixes: b6ff1b14cdf4 ("[SCSI] scsi_dh: Update EMC handler")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c6e28895a4372992961888ffaadc9efc643b5bfe ]
In case CONFIG_SLUB_DEBUG_ON=n, find_mergeable() gets debug features from
commandline but never checks if there are features from the
SLAB_NEVER_MERGE set.
As a result selected by slub_debug caches are always mergeable if they
have been created without a custom constructor set or without one of the
SLAB_* debug features on.
This moves the SLAB_NEVER_MERGE check below the flags update from
commandline to make sure it won't merge the slab cache if one of the debug
features is on.
Link: http://lkml.kernel.org/r/20170101124451.GA4740@lp-laptop-d
Signed-off-by: Grygorii Maistrenko <grygoriimkd@gmail.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 439a36b8ef38657f765b80b775e2885338d72451 ]
We are in the situation that we have to avoid recursive cluster locking,
but there is no way to check if a cluster lock has been taken by a precess
already.
Mostly, we can avoid recursive locking by writing code carefully.
However, we found that it's very hard to handle the routines that are
invoked directly by vfs code. For instance:
const struct inode_operations ocfs2_file_iops = {
.permission = ocfs2_permission,
.get_acl = ocfs2_iop_get_acl,
.set_acl = ocfs2_iop_set_acl,
};
Both ocfs2_permission() and ocfs2_iop_get_acl() call ocfs2_inode_lock(PR):
do_sys_open
may_open
inode_permission
ocfs2_permission
ocfs2_inode_lock() <=== first time
generic_permission
get_acl
ocfs2_iop_get_acl
ocfs2_inode_lock() <=== recursive one
A deadlock will occur if a remote EX request comes in between two of
ocfs2_inode_lock(). Briefly describe how the deadlock is formed:
On one hand, OCFS2_LOCK_BLOCKED flag of this lockres is set in
BAST(ocfs2_generic_handle_bast) when downconvert is started on behalf of
the remote EX lock request. Another hand, the recursive cluster lock
(the second one) will be blocked in in __ocfs2_cluster_lock() because of
OCFS2_LOCK_BLOCKED. But, the downconvert never complete, why? because
there is no chance for the first cluster lock on this node to be
unlocked - we block ourselves in the code path.
The idea to fix this issue is mostly taken from gfs2 code.
1. introduce a new field: struct ocfs2_lock_res.l_holders, to keep track
of the processes' pid who has taken the cluster lock of this lock
resource;
2. introduce a new flag for ocfs2_inode_lock_full:
OCFS2_META_LOCK_GETBH; it means just getting back disk inode bh for
us if we've got cluster lock.
3. export a helper: ocfs2_is_locked_by_me() is used to check if we have
got the cluster lock in the upper code path.
The tracking logic should be used by some of the ocfs2 vfs's callbacks,
to solve the recursive locking issue cuased by the fact that vfs
routines can call into each other.
The performance penalty of processing the holder list should only be
seen at a few cases where the tracking logic is used, such as get/set
acl.
You may ask what if the first time we got a PR lock, and the second time
we want a EX lock? fortunately, this case never happens in the real
world, as far as I can see, including permission check,
(get|set)_(acl|attr), and the gfs2 code also do so.
[sfr@canb.auug.org.au remove some inlines]
Link: http://lkml.kernel.org/r/20170117100948.11657-2-zren@suse.com
Signed-off-by: Eric Ren <zren@suse.com>
Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 12cb3a1c4184f891d965d1f39f8cfcc9ef617647 ]
Since the
commit f1c131b45410a202eb45cc55980a7a9e4e4b4f40
crypto: xts - Convert to skcipher
the XTS mode is based on ECB, so the mode must select
ECB otherwise it can fail to initialize.
Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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probed PFs
[ Upstream commit 95f1ba9a24af9769f6e20dfe9a77c863f253f311 ]
In the VF driver, module parameter mlx4_log_num_mgm_entry_size was
mistakenly overwritten -- and in a manner which overrode the
device-managed flow steering option encoded in the parameter.
log_num_mgm_entry_size is a global module parameter which
affects all ConnectX-3 PFs installed on that host.
If a VF changes log_num_mgm_entry_size, this will affect all PFs
which are probed subsequent to the change (by disabling DMFS for
those PFs).
Fixes: 3c439b5586e9 ("mlx4_core: Allow choosing flow steering mode")
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7dd4fcf5b70694dc961eb6b954673e4fc9730dbd ]
On panic, all other CPUs are stopped except the one which had
hit panic. To keep console alive, we need to migrate hvcons irq
to panicked CPU.
Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d939cdfde34f50b95254b375f498447c82190b3e ]
Commit 03a9e24(md linear: fix a race between linear_add() and
linear_congested()) introduces the warnning.
Acked-by: Coly Li <colyli@suse.de>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 86d54795c94532075d862aa0a79f0c981dab4bdd ]
Otherwise we can get livelock like below.
[79880.428136] dbench D 0 18405 18404 0x00000000
[79880.428139] Call Trace:
[79880.428142] __schedule+0x219/0x6b0
[79880.428144] schedule+0x36/0x80
[79880.428147] schedule_timeout+0x243/0x2e0
[79880.428152] ? update_sd_lb_stats+0x16b/0x5f0
[79880.428155] ? ktime_get+0x3c/0xb0
[79880.428157] io_schedule_timeout+0xa6/0x110
[79880.428161] __lock_page+0xf7/0x130
[79880.428164] ? unlock_page+0x30/0x30
[79880.428167] pagecache_get_page+0x16b/0x250
[79880.428171] grab_cache_page_write_begin+0x20/0x40
[79880.428182] f2fs_write_begin+0xa2/0xdb0 [f2fs]
[79880.428192] ? f2fs_mark_inode_dirty_sync+0x16/0x30 [f2fs]
[79880.428197] ? kmem_cache_free+0x79/0x200
[79880.428203] ? __mark_inode_dirty+0x17f/0x360
[79880.428206] generic_perform_write+0xbb/0x190
[79880.428213] ? file_update_time+0xa4/0xf0
[79880.428217] __generic_file_write_iter+0x19b/0x1e0
[79880.428226] f2fs_file_write_iter+0x9c/0x180 [f2fs]
[79880.428231] __vfs_write+0xc5/0x140
[79880.428235] vfs_write+0xb2/0x1b0
[79880.428238] SyS_write+0x46/0xa0
[79880.428242] entry_SYSCALL_64_fastpath+0x1e/0xad
Fixes: cae96a5c8ab6 ("f2fs: check io submission more precisely")
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4dd9920d991745c4a16f53a8f615f706fbe4b3f7 ]
Under certain situations, an incremental send operation can fail due to a
premature attempt to create a new top level inode (a direct child of the
subvolume/snapshot root) whose name collides with another inode that was
removed from the send snapshot.
Consider the following example scenario.
Parent snapshot:
. (ino 256, gen 8)
|---- a1/ (ino 257, gen 9)
|---- a2/ (ino 258, gen 9)
Send snapshot:
. (ino 256, gen 3)
|---- a2/ (ino 257, gen 7)
In this scenario, when receiving the incremental send stream, the btrfs
receive command fails like this (ran in verbose mode, -vv argument):
rmdir a1
mkfile o257-7-0
rename o257-7-0 -> a2
ERROR: rename o257-7-0 -> a2 failed: Is a directory
What happens when computing the incremental send stream is:
1) An operation to remove the directory with inode number 257 and
generation 9 is issued.
2) An operation to create the inode with number 257 and generation 7 is
issued. This creates the inode with an orphanized name of "o257-7-0".
3) An operation rename the new inode 257 to its final name, "a2", is
issued. This is incorrect because inode 258, which has the same name
and it's a child of the same parent (root inode 256), was not yet
processed and therefore no rmdir operation for it was yet issued.
The rename operation is issued because we fail to detect that the
name of the new inode 257 collides with inode 258, because their
parent, a subvolume/snapshot root (inode 256) has a different
generation in both snapshots.
So fix this by ignoring the generation value of a parent directory that
matches a root inode (number 256) when we are checking if the name of the
inode currently being processed collides with the name of some other
inode that was not yet processed.
We can achieve this scenario of different inodes with the same number but
different generation values either by mounting a filesystem with the inode
cache option (-o inode_cache) or by creating and sending snapshots across
different filesystems, like in the following example:
$ mkfs.btrfs -f /dev/sdb
$ mount /dev/sdb /mnt
$ mkdir /mnt/a1
$ mkdir /mnt/a2
$ btrfs subvolume snapshot -r /mnt /mnt/snap1
$ btrfs send /mnt/snap1 -f /tmp/1.snap
$ umount /mnt
$ mkfs.btrfs -f /dev/sdc
$ mount /dev/sdc /mnt
$ touch /mnt/a2
$ btrfs subvolume snapshot -r /mnt /mnt/snap2
$ btrfs receive /mnt -f /tmp/1.snap
# Take note that once the filesystem is created, its current
# generation has value 7 so the inode from the second snapshot has
# a generation value of 7. And after receiving the first snapshot
# the filesystem is at a generation value of 10, because the call to
# create the second snapshot bumps the generation to 8 (the snapshot
# creation ioctl does a transaction commit), the receive command calls
# the snapshot creation ioctl to create the first snapshot, which bumps
# the filesystem's generation to 9, and finally when the receive
# operation finishes it calls an ioctl to transition the first snapshot
# (snap1) from RW mode to RO mode, which does another transaction commit
# and bumps the filesystem's generation to 10.
$ rm -f /tmp/1.snap
$ btrfs send /mnt/snap1 -f /tmp/1.snap
$ btrfs send -p /mnt/snap1 /mnt/snap2 -f /tmp/2.snap
$ umount /mnt
$ mkfs.btrfs -f /dev/sdd
$ mount /dev/sdd /mnt
$ btrfs receive /mnt /tmp/1.snap
# Receive of snapshot snap2 used to fail.
$ btrfs receive /mnt /tmp/2.snap
Signed-off-by: Robbie Ko <robbieko@synology.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
[Rewrote changelog to be more precise and clear]
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ca1c39ef76376b67303d01f94fe98bb68bb3861a ]
Reorder error handling labels in order to match the way resources have
been allocated.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4b86c459c7bee3acaf92f0e2b4c6ac803eaa1a58 ]
Commit 4dee62b1b9b4 ("netfilter: nf_ct_expect: nf_ct_expect_insert()
returns void") inadvertently changed the successful return value of
nf_ct_expect_related_report() from 0 to 1 due to
__nf_ct_expect_check() returning 1 on success. Prevent this
regression in the future by changing the return value of
__nf_ct_expect_check() to 0 on success.
Signed-off-by: Jarno Rajahalme <jarno@ovn.org>
Acked-by: Joe Stringer <joe@ovn.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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