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authorChristoph Lameter <cl@linux.com>2010-12-06 11:16:29 -0600
committerTejun Heo <tj@kernel.org>2010-12-17 15:07:19 +0100
commit780f36d8b3fa9572f731d4fb85067b2e45e6f993 (patch)
tree26c2f80122cd863232de2e295e8435f06c9e2527 /arch/x86/xen/time.c
parentc7b92516a9c68fa5403879225a5a19974a801ef6 (diff)
xen: Use this_cpu_ops
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>
Diffstat (limited to 'arch/x86/xen/time.c')
-rw-r--r--arch/x86/xen/time.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index b2bb5aa3b05..ef8930f51b0 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -135,24 +135,24 @@ static void do_stolen_accounting(void)
/* Add the appropriate number of ticks of stolen time,
including any left-overs from last time. */
- stolen = runnable + offline + __get_cpu_var(xen_residual_stolen);
+ stolen = runnable + offline + __this_cpu_read(xen_residual_stolen);
if (stolen < 0)
stolen = 0;
ticks = iter_div_u64_rem(stolen, NS_PER_TICK, &stolen);
- __get_cpu_var(xen_residual_stolen) = stolen;
+ __this_cpu_write(xen_residual_stolen, stolen);
account_steal_ticks(ticks);
/* Add the appropriate number of ticks of blocked time,
including any left-overs from last time. */
- blocked += __get_cpu_var(xen_residual_blocked);
+ blocked += __this_cpu_read(xen_residual_blocked);
if (blocked < 0)
blocked = 0;
ticks = iter_div_u64_rem(blocked, NS_PER_TICK, &blocked);
- __get_cpu_var(xen_residual_blocked) = blocked;
+ __this_cpu_write(xen_residual_blocked, blocked);
account_idle_ticks(ticks);
}