From: Mike Galbraith <bitbuc...@online.de> commit 156654f491dd8d52687a5fbe1637f472a52ce75b upstream
Bad idea on -rt: [ 908.026136] [<ffffffff8150ad6a>] rt_spin_lock_slowlock+0xaa/0x2c0 [ 908.026145] [<ffffffff8108f701>] task_numa_free+0x31/0x130 [ 908.026151] [<ffffffff8108121e>] finish_task_switch+0xce/0x100 [ 908.026156] [<ffffffff81509c0a>] thread_return+0x48/0x4ae [ 908.026160] [<ffffffff8150a095>] schedule+0x25/0xa0 [ 908.026163] [<ffffffff8150ad95>] rt_spin_lock_slowlock+0xd5/0x2c0 [ 908.026170] [<ffffffff810658cf>] get_signal_to_deliver+0xaf/0x680 [ 908.026175] [<ffffffff8100242d>] do_signal+0x3d/0x5b0 [ 908.026179] [<ffffffff81002a30>] do_notify_resume+0x90/0xe0 [ 908.026186] [<ffffffff81513176>] int_signal+0x12/0x17 [ 908.026193] [<00007ff2a388b1d0>] 0x7ff2a388b1cf and since upstream does not mind where we do this, be a bit nicer ... Signed-off-by: Mike Galbraith <bitbuc...@online.de> Signed-off-by: Peter Zijlstra <pet...@infradead.org> Cc: Mel Gorman <mgor...@suse.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/1393568591.6018.27.ca...@marge.simpson.net Signed-off-by: Ingo Molnar <mi...@kernel.org> Signed-off-by: Yang Shi <yang....@windriver.com> --- kernel/fork.c | 1 + kernel/sched/core.c | 2 -- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/fork.c b/kernel/fork.c index 4e41cf4..648f543 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -237,6 +237,7 @@ void __put_task_struct(struct task_struct *tsk) WARN_ON(atomic_read(&tsk->usage)); WARN_ON(tsk == current); + task_numa_free(tsk); security_task_free(tsk); exit_creds(tsk); delayacct_tsk_free(tsk); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b0d07b1..47ea188 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2151,8 +2151,6 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev) if (mm) mmdrop(mm); if (unlikely(prev_state == TASK_DEAD)) { - task_numa_free(prev); - if (prev->sched_class->task_dead) prev->sched_class->task_dead(prev); -- 2.0.2 -- _______________________________________________ linux-yocto mailing list linux-yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/linux-yocto
