Commit b2e4ae69 authored Dec 06, 2010 by Christoph Lameter Committed by Tejun Heo Dec 17, 2010

xen: Use this_cpu_inc_return



__this_cpu_inc_return reduces code and simplifies code.

Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>

parent cd85fc58

drivers/xen/events.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1109,7 +1109,7 @@ static void __xen_evtchn_do_upcall(void)

		vcpu_info->evtchn_upcall_pending = 0;

		if (__get_cpu_var(xed_nesting_count)++)
		if (__this_cpu_inc_return(xed_nesting_count) - 1)
		goto out;

		#ifndef CONFIG_X86 /* No need for a barrier -- XCHG is a barrier on x86. */