Messages in this thread Patch in this message | | | Date | Mon, 3 Aug 2015 10:07:37 -0700 | From | tip-bot for Konstantin Khlebnikov <> | Subject | [tip:sched/core] sched/preempt, xen: Use need_resched() instead of should_resched() |
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Commit-ID: 0fa2f5cb2b0ecd8d56baa51f35f09aab234eb0bf Gitweb: http://git.kernel.org/tip/0fa2f5cb2b0ecd8d56baa51f35f09aab234eb0bf Author: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> AuthorDate: Wed, 15 Jul 2015 12:52:01 +0300 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Mon, 3 Aug 2015 12:21:23 +0200
sched/preempt, xen: Use need_resched() instead of should_resched()
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> --- drivers/xen/preempt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/preempt.c b/drivers/xen/preempt.c index a1800c1..08cb419 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.
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