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authorManfred Spraul <manfred@colorfullife.com>2011-11-02 13:38:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 16:07:01 -0700
commit0b0577f6080c0645b079dcc03fdbaf40d928beb8 (patch)
tree0dcedf3f2e6c3aa9c363a4c6272225ebfa1c61c5 /ipc/msgutil.c
parent3c24783bb2deafaa106b7e69a97540071afc590c (diff)
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ipc/sem.c: handle spurious wakeups
semtimedop() does not handle spurious wakeups, it returns -EINTR to user space. Most other schedule() users would just loop and not return to user space. The patch adds such a loop to semtimedop() Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Mike Galbraith <efault@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/msgutil.c')
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