[Xen-devel] [PATCH 2/2] xen/arm: call vcpu_yield on WFE trap

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

No need to call vcpu_force_reschedule, is too expensive.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
 xen/arch/arm/traps.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 3dfabd0..8cd06cc 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -1805,7 +1805,7 @@ asmlinkage void do_trap_hypervisor(struct cpu_user_regs 
*regs)
         }
         if ( hsr.wfi_wfe.ti ) {
             /* Yield the VCPU for WFE */
-            vcpu_force_reschedule(current);
+            vcpu_yield(current);
         } else {
             /* Block the VCPU for WFI */
             vcpu_block_unless_event_pending(current);
-- 
1.7.10.4


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