diff options
| author | Tejun Heo | 2010-12-18 16:28:55 +0100 |
|---|---|---|
| committer | Tejun Heo | 2010-12-30 12:20:28 +0100 |
| commit | 0a3aee0da4402aa19b66e458038533c896fb80c6 (patch) | |
| tree | b2c29c0b18218b76cc0e7ed9866a2c12d1e22e3a /arch/x86/include/asm/debugreg.h | |
| parent | vmstat: User per cpu atomics to avoid interrupt disable / enable (diff) | |
| download | kernel-qcow2-linux-0a3aee0da4402aa19b66e458038533c896fb80c6.tar.gz kernel-qcow2-linux-0a3aee0da4402aa19b66e458038533c896fb80c6.tar.xz kernel-qcow2-linux-0a3aee0da4402aa19b66e458038533c896fb80c6.zip | |
x86: Use this_cpu_ops to optimize code
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>
Diffstat (limited to 'arch/x86/include/asm/debugreg.h')
| -rw-r--r-- | arch/x86/include/asm/debugreg.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h index b81002f23614..078ad0caefc6 100644 --- a/arch/x86/include/asm/debugreg.h +++ b/arch/x86/include/asm/debugreg.h @@ -94,7 +94,7 @@ static inline void hw_breakpoint_disable(void) static inline int hw_breakpoint_active(void) { - return __get_cpu_var(cpu_dr7) & DR_GLOBAL_ENABLE_MASK; + return __this_cpu_read(cpu_dr7) & DR_GLOBAL_ENABLE_MASK; } extern void aout_dump_debugregs(struct user *dump); |