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| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2015-07-15 12:52:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-27 09:52:00 +0900 |
| commit | d906a24a7ab60868a191c25e437f92f48948b5ca (patch) | |
| tree | 6c772880df205e3c677a2f12b0d227c2b0e70cde | |
| parent | 41c4e0825b9d43a5d43a90c050ac9de4387865ba (diff) | |
| download | linux-stable-d906a24a7ab60868a191c25e437f92f48948b5ca.tar.gz linux-stable-d906a24a7ab60868a191c25e437f92f48948b5ca.tar.bz2 linux-stable-d906a24a7ab60868a191c25e437f92f48948b5ca.zip | |
sched/preempt, xen: Use need_resched() instead of should_resched()
commit 0fa2f5cb2b0ecd8d56baa51f35f09aab234eb0bf upstream.
This code is used only when CONFIG_PREEMPT=n and only in non-atomic context:
xen_in_preemptible_hcall is set only in privcmd_ioctl_hypercall().
Thus preempt_count is zero and should_resched() is equal to need_resched().
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Graf <agraf@suse.de>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20150715095201.12246.49283.stgit@buzz
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/xen/preempt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/preempt.c b/drivers/xen/preempt.c index a1800c150839..08cb419eb4e6 100644 --- a/drivers/xen/preempt.c +++ b/drivers/xen/preempt.c @@ -31,7 +31,7 @@ EXPORT_SYMBOL_GPL(xen_in_preemptible_hcall); asmlinkage __visible void xen_maybe_preempt_hcall(void) { if (unlikely(__this_cpu_read(xen_in_preemptible_hcall) - && should_resched())) { + && need_resched())) { /* * Clear flag as we may be rescheduled on a different * cpu. |