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| author | Amit Pundir <amit.pundir@linaro.org> | 2016-02-18 00:20:12 +0530 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2016-02-18 00:20:12 +0530 |
| commit | 02bbd06e489a9f56910973535152d3ec47f3fdcc (patch) | |
| tree | 93a9a4d687da4d423c92cc4a82001f3792c0b259 /kernel/sched/core.c | |
| parent | 34f6d2c9d12a97271d55c7b204443b2da9e6c29e (diff) | |
| parent | 3d0f8b944b0ab4ec79d8d0b93d8038971095337a (diff) | |
Merge branch 'android-4.4' of https://android.googlesource.com/kernel/common
* android-4.4: (475 commits)
android: base-cfg: Add CONFIG_IP_MULTICAST
android: recommended.cfg: enable taskstats
ANDROID: android: base-cfg: disable CONFIG_SYSVIPC
android: configs: base: enable configfs gadget functions
android: add CONFIG_DEBUG_RODATA to recommended config
android: configs: remove CONFIG_BATTERY_ANDROID=y
android: configs: base: enable IPV6
android: configs: Enable SELinux and its dependencies.
android: base-cfg: disable ALARM_DEV
android: base-cfg: turn off /dev/mem and /dev/kmem
android: base-cfg: enable ARMV8_DEPRECATED and subfeatures
android: base-cfg: enforce the needed XFRM_MODE_TUNNEL (for VPN)
android: base-cfg: disable LOGGER
android: base-cfg: enable DM_VERITY (used for secureboot)
android: configs: add systrace support to recommended configs
android: configs: update 3.10 options
android: configs: Add CONFIG_NETFILTER_XT_TARGET_IDLETIMER
android: configs: add IPV6 ROUTE INFO
android: configs: add TIMER_STATS back, helps with sysrq t.
android: configs: Add HIDRAW to recommended set
...
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 732e993b564b..61b0914cc7aa 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7542,6 +7542,14 @@ static inline int preempt_count_equals(int preempt_offset) return (nested == preempt_offset); } +static int __might_sleep_init_called; +int __init __might_sleep_init(void) +{ + __might_sleep_init_called = 1; + return 0; +} +early_initcall(__might_sleep_init); + void __might_sleep(const char *file, int line, int preempt_offset) { /* @@ -7566,8 +7574,10 @@ void ___might_sleep(const char *file, int line, int preempt_offset) rcu_sleep_check(); /* WARN_ON_ONCE() by default, no rate limit reqd. */ if ((preempt_count_equals(preempt_offset) && !irqs_disabled() && - !is_idle_task(current)) || - system_state != SYSTEM_RUNNING || oops_in_progress) + !is_idle_task(current)) || oops_in_progress) + return; + if (system_state != SYSTEM_RUNNING && + (!__might_sleep_init_called || system_state != SYSTEM_BOOTING)) return; if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy) return; @@ -8599,6 +8609,7 @@ struct cgroup_subsys cpu_cgrp_subsys = { .fork = cpu_cgroup_fork, .can_attach = cpu_cgroup_can_attach, .attach = cpu_cgroup_attach, + .allow_attach = subsys_cgroup_allow_attach, .legacy_cftypes = cpu_files, .early_init = 1, }; |