diff options
| author |   Alex Shi <alex.shi@intel.com> | 2012-05-14 14:15:32 -0700 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2012-05-14 14:15:32 -0700 |
| commit | 641b695c2f11397bd307ea689d4d3f128360ce49 (patch) | |
| tree | e7e4e1895295628c8a4dd2e662644bcfbfe67b14 /arch/x86/include/asm/percpu.h | |
| parent | x86: replace percpu_xxx funcs with this_cpu_xxx (diff) | |
| download | linux-dev-641b695c2f11397bd307ea689d4d3f128360ce49.tar.xz linux-dev-641b695c2f11397bd307ea689d4d3f128360ce49.zip | |
percpu: remove percpu_xxx() functions
Remove percpu_xxx serial functions, all of them were replaced by
this_cpu_xxx or __this_cpu_xxx serial functions
Signed-off-by: Alex Shi <alex.shi@intel.com>
Acked-by: Christoph Lameter <cl@gentwo.org>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/percpu.h')
| -rw-r--r-- | arch/x86/include/asm/percpu.h | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 967ee3be5c0a..d9b8e3f7f42a 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -351,7 +351,7 @@ do { \ }) /* - * percpu_read() makes gcc load the percpu variable every time it is + * this_cpu_read() makes gcc load the percpu variable every time it is * accessed while this_cpu_read_stable() allows the value to be cached. * this_cpu_read_stable() is more efficient and can be used if its value * is guaranteed to be valid across cpus. The current users include @@ -359,15 +359,7 @@ do { \ * per-thread variables implemented as per-cpu variables and thus * stable for the duration of the respective task. */ -#define percpu_read(var) percpu_from_op("mov", var, "m" (var)) #define this_cpu_read_stable(var) percpu_from_op("mov", var, "p" (&(var))) -#define percpu_write(var, val) percpu_to_op("mov", var, val) -#define percpu_add(var, val) percpu_add_op(var, val) -#define percpu_sub(var, val) percpu_add_op(var, -(val)) -#define percpu_and(var, val) percpu_to_op("and", var, val) -#define percpu_or(var, val) percpu_to_op("or", var, val) -#define percpu_xor(var, val) percpu_to_op("xor", var, val) -#define percpu_inc(var) percpu_unary_op("inc", var) #define __this_cpu_read_1(pcp) percpu_from_op("mov", (pcp), "m"(pcp)) #define __this_cpu_read_2(pcp) percpu_from_op("mov", (pcp), "m"(pcp)) @@ -512,7 +504,11 @@ static __always_inline int x86_this_cpu_constant_test_bit(unsigned int nr, { unsigned long __percpu *a = (unsigned long *)addr + nr / BITS_PER_LONG; - return ((1UL << (nr % BITS_PER_LONG)) & percpu_read(*a)) != 0; +#ifdef CONFIG_X86_64 + return ((1UL << (nr % BITS_PER_LONG)) & __this_cpu_read_8(*a)) != 0; +#else + return ((1UL << (nr % BITS_PER_LONG)) & __this_cpu_read_4(*a)) != 0; +#endif } static inline int x86_this_cpu_variable_test_bit(int nr, |