diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cgroup.h | 10 | ||||
| -rw-r--r-- | include/linux/mm.h | 21 | ||||
| -rw-r--r-- | include/linux/pwm.h | 5 | ||||
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | include/linux/tcp.h | 3 | ||||
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 3 | ||||
| -rw-r--r-- | include/net/netns/ipv4.h | 1 | ||||
| -rw-r--r-- | include/net/tcp.h | 2 | ||||
| -rw-r--r-- | include/trace/events/msm_cam.h | 30 | ||||
| -rw-r--r-- | include/uapi/linux/snmp.h | 1 |
10 files changed, 66 insertions, 12 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 210ccc4ea44b..8607c937145f 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -453,7 +453,7 @@ static inline struct cgroup_subsys_state *task_css(struct task_struct *task, * * Find the css for the (@task, @subsys_id) combination, increment a * reference on and return it. This function is guaranteed to return a - * valid css. + * valid css. The returned css may already have been offlined. */ static inline struct cgroup_subsys_state * task_get_css(struct task_struct *task, int subsys_id) @@ -463,7 +463,13 @@ task_get_css(struct task_struct *task, int subsys_id) rcu_read_lock(); while (true) { css = task_css(task, subsys_id); - if (likely(css_tryget_online(css))) + /* + * Can't use css_tryget_online() here. A task which has + * PF_EXITING set may stay associated with an offline css. + * If such task calls this function, css_tryget_online() + * will keep failing. + */ + if (likely(css_tryget(css))) break; cpu_relax(); } diff --git a/include/linux/mm.h b/include/linux/mm.h index 47c7bb494c74..ecdabf3597ae 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1115,6 +1115,27 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long address, void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma, unsigned long start, unsigned long end); +/* + * This has to be called after a get_task_mm()/mmget_not_zero() + * followed by taking the mmap_sem for writing before modifying the + * vmas or anything the coredump pretends not to change from under it. + * + * NOTE: find_extend_vma() called from GUP context is the only place + * that can modify the "mm" (notably the vm_start/end) under mmap_sem + * for reading and outside the context of the process, so it is also + * the only case that holds the mmap_sem for reading that must call + * this function. Generally if the mmap_sem is hold for reading + * there's no need of this check after get_task_mm()/mmget_not_zero(). + * + * This function can be obsoleted and the check can be removed, after + * the coredump code will hold the mmap_sem for writing before + * invoking the ->core_dump methods. + */ +static inline bool mmget_still_valid(struct mm_struct *mm) +{ + return likely(!mm->core_state); +} + /** * mm_walk - callbacks for walk_page_range * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry diff --git a/include/linux/pwm.h b/include/linux/pwm.h index aa8736d5b2f3..cfc3ed46cad2 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -331,7 +331,6 @@ static inline void pwm_remove_table(struct pwm_lookup *table, size_t num) #ifdef CONFIG_PWM_SYSFS void pwmchip_sysfs_export(struct pwm_chip *chip); void pwmchip_sysfs_unexport(struct pwm_chip *chip); -void pwmchip_sysfs_unexport_children(struct pwm_chip *chip); #else static inline void pwmchip_sysfs_export(struct pwm_chip *chip) { @@ -340,10 +339,6 @@ static inline void pwmchip_sysfs_export(struct pwm_chip *chip) static inline void pwmchip_sysfs_unexport(struct pwm_chip *chip) { } - -static inline void pwmchip_sysfs_unexport_children(struct pwm_chip *chip) -{ -} #endif /* CONFIG_PWM_SYSFS */ #endif /* __LINUX_PWM_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index ccd0f37dcff7..2378cbf2612d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -378,7 +378,7 @@ extern int lockdep_tasklist_lock_is_held(void); extern void sched_init(void); extern void sched_init_smp(void); extern asmlinkage void schedule_tail(struct task_struct *prev); -extern void init_idle(struct task_struct *idle, int cpu, bool hotplug); +extern void init_idle(struct task_struct *idle, int cpu); extern void init_idle_bootup_task(struct task_struct *idle); extern cpumask_var_t cpu_isolated_map; diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 747404dbe506..085da1707cea 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -419,4 +419,7 @@ static inline void tcp_saved_syn_free(struct tcp_sock *tp) tp->saved_syn = NULL; } +int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount, + int shiftlen); + #endif /* _LINUX_TCP_H */ diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 7c0c83dfe86e..876688b5a356 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -174,9 +174,6 @@ struct adv_info { #define HCI_MAX_SHORT_NAME_LENGTH 10 -/* Min encryption key size to match with SMP */ -#define HCI_MIN_ENC_KEY_SIZE 7 - /* Default LE RPA expiry time, 15 minutes */ #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index c68926b4899c..61c38f87ea07 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -88,6 +88,7 @@ struct netns_ipv4 { int sysctl_tcp_fwmark_accept; int sysctl_tcp_mtu_probing; int sysctl_tcp_base_mss; + int sysctl_tcp_min_snd_mss; int sysctl_tcp_probe_threshold; u32 sysctl_tcp_probe_interval; diff --git a/include/net/tcp.h b/include/net/tcp.h index dd161b625cd7..b9b5bc27b844 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -54,6 +54,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); #define MAX_TCP_HEADER (128 + MAX_HEADER) #define MAX_TCP_OPTION_SPACE 40 +#define TCP_MIN_SND_MSS 48 +#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE) /* * Never offer a window over 32767 without using window scaling. Some diff --git a/include/trace/events/msm_cam.h b/include/trace/events/msm_cam.h index b52845407ef0..b0dc7eac8b7a 100644 --- a/include/trace/events/msm_cam.h +++ b/include/trace/events/msm_cam.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2016, The Linux Foundation. All rights reserved. +/* Copyright (c) 2016, 2019, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -131,6 +131,34 @@ TRACE_EVENT(msm_cam_ping_pong_debug_dump, ) ); +TRACE_EVENT(msm_cam_isp_status_dump, + TP_PROTO(char *event, uint32_t vfe_id, uint32_t frame_id, + uint32_t irq_status0, uint32_t irq_status1), + TP_ARGS(event, vfe_id, frame_id, irq_status0, + irq_status1), + TP_STRUCT__entry( + __field(char *, event) + __field(unsigned int, vfe_id) + __field(unsigned int, frame_id) + __field(unsigned int, irq_status0) + __field(unsigned int, irq_status1) + ), + TP_fast_assign( + __entry->event = event; + __entry->vfe_id = vfe_id; + __entry->frame_id = frame_id; + __entry->irq_status0 = irq_status0; + __entry->irq_status1 = irq_status1; + ), + TP_printk("%s vfe %d, frame %d, irq_st0 %x, irq_st1 %x\n", + __entry->event, + __entry->vfe_id, + __entry->frame_id, + __entry->irq_status0, + __entry->irq_status1 + ) +); + #endif /* _MSM_CAM_TRACE_H */ /* This part must be outside protection */ #include <trace/define_trace.h> diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index 9de808ebce05..422183f396d5 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -281,6 +281,7 @@ enum LINUX_MIB_TCPKEEPALIVE, /* TCPKeepAlive */ LINUX_MIB_TCPMTUPFAIL, /* TCPMTUPFail */ LINUX_MIB_TCPMTUPSUCCESS, /* TCPMTUPSuccess */ + LINUX_MIB_TCPWQUEUETOOBIG, /* TCPWqueueTooBig */ __LINUX_MIB_MAX }; |