diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-10-18 12:31:04 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-10-18 12:31:04 +0800 |
| commit | 2308e34317c8cc7beb03a3d18dc39d32015eff06 (patch) | |
| tree | 69aedaeeaa06f2623a3de1ba8787a8f7cafd59fc /kernel/fork.c | |
| parent | be2a76aecfc5ed58ddf8925190cc1cfb519bf932 (diff) | |
| parent | 6c789d9eddab3bff59e89aa6f2723b1ff652fed9 (diff) | |
Merge tag 'v4.4.25' into linux-linaro-lsk-v4.4
This is the 4.4.25 stable release
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 8860d1f50d24..7161ebe67cbb 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -901,14 +901,12 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm) deactivate_mm(tsk, mm); /* - * If we're exiting normally, clear a user-space tid field if - * requested. We leave this alone when dying by signal, to leave - * the value intact in a core dump, and to save the unnecessary - * trouble, say, a killed vfork parent shouldn't touch this mm. - * Userland only wants this done for a sys_exit. + * Signal userspace if we're not exiting with a core dump + * because we want to leave the value intact for debugging + * purposes. */ if (tsk->clear_child_tid) { - if (!(tsk->flags & PF_SIGNALED) && + if (!(tsk->signal->flags & SIGNAL_GROUP_COREDUMP) && atomic_read(&mm->mm_users) > 1) { /* * We don't check the error code - if userspace has |