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| author |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-04-13 23:06:34 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-04-13 23:15:09 +0200 |
| commit | 213cc929cbfd7962164420b300f9a6c60aaff189 (patch) | |
| tree | 163d5e50169ce0399add99cba49a760214de05db /kernel/signal.c | |
| parent | Merge tag 'amd-drm-next-5.13-2021-04-12' of https://gitlab.freedesktop.org/agd5f/linux into drm-next (diff) | |
| parent | Linux 5.12-rc7 (diff) | |
| download | wireguard-linux-213cc929cbfd7962164420b300f9a6c60aaff189.tar.xz wireguard-linux-213cc929cbfd7962164420b300f9a6c60aaff189.zip | |
Merge drm/drm-fixes into drm-next
msm-next pull request has a baseline with stuff from -fixes, roll
forward first.
Some simple conflicts in amdgpu, ttm and one in i915 where git gets
confused and tries to add the same function twice.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to '')
| -rw-r--r-- | kernel/signal.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index ba4d1ef39a9e..f2718350bf4b 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -91,7 +91,7 @@ static bool sig_task_ignored(struct task_struct *t, int sig, bool force) return true; /* Only allow kernel generated signals to this kthread */ - if (unlikely((t->flags & (PF_KTHREAD | PF_IO_WORKER)) && + if (unlikely((t->flags & PF_KTHREAD) && (handler == SIG_KTHREAD_KERNEL) && !force)) return true; @@ -1096,7 +1096,7 @@ static int __send_signal(int sig, struct kernel_siginfo *info, struct task_struc /* * Skip useless siginfo allocation for SIGKILL and kernel threads. */ - if ((sig == SIGKILL) || (t->flags & (PF_KTHREAD | PF_IO_WORKER))) + if ((sig == SIGKILL) || (t->flags & PF_KTHREAD)) goto out_set; /* @@ -2768,13 +2768,21 @@ relock: } /* + * PF_IO_WORKER threads will catch and exit on fatal signals + * themselves. They have cleanup that must be performed, so + * we cannot call do_exit() on their behalf. + */ + if (current->flags & PF_IO_WORKER) + goto out; + + /* * Death signals, no core dump. */ do_group_exit(ksig->info.si_signo); /* NOTREACHED */ } spin_unlock_irq(&sighand->siglock); - +out: ksig->sig = signr; if (!(ksig->ka.sa.sa_flags & SA_EXPOSE_TAGBITS)) |