From 641b695c2f11397bd307ea689d4d3f128360ce49 Mon Sep 17 00:00:00 2001 From: Alex Shi Date: Mon, 14 May 2012 14:15:32 -0700 Subject: 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 Acked-by: Christoph Lameter Acked-by: Tejun Heo Acked-by: "H. Peter Anvin" Cc: Ingo Molnar Cc: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Tejun Heo --- arch/x86/include/asm/percpu.h | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) (limited to 'arch/x86/include') 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, -- cgit v1.2.3-59-g8ed1b