lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: Use this_cpu_ops to optimize code

Browse Source 
Go through x86 code and replace __get_cpu_var and get_cpu_var
instances that refer to a scalar and are not used for address
determinations.

Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Tejun Heo <tj@kernel.org>
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:
Tejun Heo
2010-12-18 16:28:55 +01:00
parent 7c83912062
commit 0a3aee0da4
16 changed files with 57 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/tsc.c
View File

@@ -659,7 +659,7 @@ void restore_sched_clock_state(void)
local_irq_save(flags);
__get_cpu_var(cyc2ns_offset) = 0;
__this_cpu_write(cyc2ns_offset, 0);
offset = cyc2ns_suspend - sched_clock();
for_each_possible_cpu(cpu)