The patch titled
Subject: signal: use current->state helpers
has been added to the -mm tree. Its filename is
signal-use-current-state-helpers.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/signal-use-current-state-helpers.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/signal-use-current-state-helpers.patch
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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Subject: signal: use current->state helpers
Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments, keeping
track of who changed the state.
Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>
Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/signal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/signal.c~signal-use-current-state-helpers kernel/signal.c
--- a/kernel/signal.c~signal-use-current-state-helpers
+++ a/kernel/signal.c
@@ -3550,7 +3550,7 @@ SYSCALL_DEFINE2(signal, int, sig, __sigh
SYSCALL_DEFINE0(pause)
{
while (!signal_pending(current)) {
- current->state = TASK_INTERRUPTIBLE;
+ __set_current_state(TASK_INTERRUPTIBLE);
schedule();
}
return -ERESTARTNOHAND;
@@ -3563,7 +3563,7 @@ int sigsuspend(sigset_t *set)
current->saved_sigmask = current->blocked;
set_current_blocked(set);
- current->state = TASK_INTERRUPTIBLE;
+ __set_current_state(TASK_INTERRUPTIBLE);
schedule();
set_restore_sigmask();
return -ERESTARTNOHAND;
_
Patches currently in -mm which might be from dave@xxxxxxxxxxxx are
origin.patch
linux-next.patch
ipcsem-use-current-state-helpers.patch
jbd-drop-jbd_enosys-debug.patch
signal-use-current-state-helpers.patch
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