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xen: Use this_cpu_ops

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Use this_cpu_ops to reduce code size and simplify things in various places.

V3->V4:
	Move instance of this_cpu_inc_return to a later patchset so that
	this patch can be applied without infrastructure changes.

Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Christoph Lameter
2010-12-06 11:16:29 -06:00
committed by Tejun Heo
parent c7b92516a9
commit 780f36d8b3
5 changed files with 15 additions and 15 deletions
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8
drivers/xen/events.c
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@@ -355,7 +355,7 @@ static void unmask_evtchn(int port)
struct evtchn_unmask unmask = { .port = port };
(void)HYPERVISOR_event_channel_op(EVTCHNOP_unmask, &unmask);
} else {
struct vcpu_info *vcpu_info = __get_cpu_var(xen_vcpu);
struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
sync_clear_bit(port, &s->evtchn_mask[0]);
@@ -1101,7 +1101,7 @@ static void __xen_evtchn_do_upcall(void)
{
int cpu = get_cpu();
struct shared_info *s = HYPERVISOR_shared_info;
struct vcpu_info *vcpu_info = __get_cpu_var(xen_vcpu);
struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
unsigned count;
do {
@@ -1141,8 +1141,8 @@ static void __xen_evtchn_do_upcall(void)
BUG_ON(!irqs_disabled());
count = __get_cpu_var(xed_nesting_count);
__get_cpu_var(xed_nesting_count) = 0;
count = __this_cpu_read(xed_nesting_count);
__this_cpu_write(xed_nesting_count, 0);
} while (count != 1 || vcpu_info->evtchn_upcall_pending);
out: