xen/preempt: 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: David Vrabel <david.vrabel@citrix.com>

diff --git a/drivers/xen/preempt.c b/drivers/xen/preempt.c
index a1800c1..08cb419 100644 (file)
--- 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.