The patch titled
signals: collect_signal: remove the unneeded sigismember() check
has been removed from the -mm tree. Its filename was
signals-collect_signal-remove-the-unneeded-sigismember-check.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: signals: collect_signal: remove the unneeded sigismember() check
From: Oleg Nesterov <oleg@xxxxxxxxxx>
collect_signal() checks sigismember(&list->signal, sig), this is not
needed. This "sig" was just found by next_signal(), so it must be valid.
We have a (completely broken) call to ->notifier in between, but it must
not play with sigpending->signal bits or unlock ->siglock.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Acked-by: Roland McGrath <roland@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/signal.c | 3 ---
1 file changed, 3 deletions(-)
diff -puN kernel/signal.c~signals-collect_signal-remove-the-unneeded-sigismember-check kernel/signal.c
--- a/kernel/signal.c~signals-collect_signal-remove-the-unneeded-sigismember-check
+++ a/kernel/signal.c
@@ -343,9 +343,6 @@ static int collect_signal(int sig, struc
struct sigqueue *q, *first = NULL;
int still_pending = 0;
- if (unlikely(!sigismember(&list->signal, sig)))
- return 0;
-
/*
* Collect the siginfo appropriate to this signal. Check if
* there is another siginfo for the same signal.
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
linux-next.patch
migrate_timers-add-comment-use-spinlock_irq.patch
tracehook-add-linux-tracehookh.patch
tracehook-exec.patch
tracehook-unexport-ptrace_notify.patch
tracehook-exit.patch
tracehook-clone.patch
tracehook-vfork-done.patch
tracehook-release_task.patch
tracehook-tracehook_tracer_task.patch
tracehook-tracehook_expect_breakpoints.patch
tracehook-tracehook_signal_handler.patch
tracehook-tracehook_consider_ignored_signal.patch
tracehook-tracehook_consider_fatal_signal.patch
tracehook-syscall.patch
tracehook-get_signal_to_deliver.patch
tracehook-job-control.patch
tracehook-death.patch
tracehook-force-signal_pending.patch
tracehook-tif_notify_resume.patch
tracehook-asm-syscallh.patch
tracehook-config_have_arch_tracehook.patch
tracehook-wait_task_inactive.patch
task_current_syscall.patch
proc-pid-syscall.patch
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