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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-04 08:39:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-04 08:39:38 -0700
commit3d7e5fc37f91c3ad4974262e173d9ba36139652a (patch)
tree471484562a2c0341dbee0b4d2e10fdfd5d049c58 /arch/x86/include/asm/sync_bitops.h
parent6924a4672dd07dbe11d76fe597d17a092434232f (diff)
parentf69fa9a91f60fff6f2d8b658b7d84d235d9d89b7 (diff)
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/asm changes from Ingo Molnar: "Main changes: - Apply low level mutex optimization on x86-64, by Wedson Almeida Filho. - Change bitops to be naturally 'long', by H Peter Anvin. - Add TSX-NI opcodes support to the x86 (instrumentation) decoder, by Masami Hiramatsu. - Add clang compatibility adjustments/workarounds, by Jan-Simon Möller" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, doc: Update uaccess.h comment to reflect clang changes x86, asm: Fix a compilation issue with clang x86, asm: Extend definitions of _ASM_* with a raw format x86, insn: Add new opcodes as of June, 2013 x86/ia32/asm: Remove unused argument in macro x86, bitops: Change bitops to be native operand size x86: Use asm-goto to implement mutex fast path on x86-64
Diffstat (limited to 'arch/x86/include/asm/sync_bitops.h')
-rw-r--r--arch/x86/include/asm/sync_bitops.h24
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/x86/include/asm/sync_bitops.h b/arch/x86/include/asm/sync_bitops.h
index 9d09b4073b60..05af3b31d522 100644
--- a/arch/x86/include/asm/sync_bitops.h
+++ b/arch/x86/include/asm/sync_bitops.h
@@ -26,9 +26,9 @@
* Note that @nr may be almost arbitrarily large; this function is not
* restricted to acting on a single-word quantity.
*/
-static inline void sync_set_bit(int nr, volatile unsigned long *addr)
+static inline void sync_set_bit(long nr, volatile unsigned long *addr)
{
- asm volatile("lock; btsl %1,%0"
+ asm volatile("lock; bts %1,%0"
: "+m" (ADDR)
: "Ir" (nr)
: "memory");
@@ -44,9 +44,9 @@ static inline void sync_set_bit(int nr, volatile unsigned long *addr)
* you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
* in order to ensure changes are visible on other processors.
*/
-static inline void sync_clear_bit(int nr, volatile unsigned long *addr)
+static inline void sync_clear_bit(long nr, volatile unsigned long *addr)
{
- asm volatile("lock; btrl %1,%0"
+ asm volatile("lock; btr %1,%0"
: "+m" (ADDR)
: "Ir" (nr)
: "memory");
@@ -61,9 +61,9 @@ static inline void sync_clear_bit(int nr, volatile unsigned long *addr)
* Note that @nr may be almost arbitrarily large; this function is not
* restricted to acting on a single-word quantity.
*/
-static inline void sync_change_bit(int nr, volatile unsigned long *addr)
+static inline void sync_change_bit(long nr, volatile unsigned long *addr)
{
- asm volatile("lock; btcl %1,%0"
+ asm volatile("lock; btc %1,%0"
: "+m" (ADDR)
: "Ir" (nr)
: "memory");
@@ -77,11 +77,11 @@ static inline void sync_change_bit(int nr, volatile unsigned long *addr)
* This operation is atomic and cannot be reordered.
* It also implies a memory barrier.
*/
-static inline int sync_test_and_set_bit(int nr, volatile unsigned long *addr)
+static inline int sync_test_and_set_bit(long nr, volatile unsigned long *addr)
{
int oldbit;
- asm volatile("lock; btsl %2,%1\n\tsbbl %0,%0"
+ asm volatile("lock; bts %2,%1\n\tsbbl %0,%0"
: "=r" (oldbit), "+m" (ADDR)
: "Ir" (nr) : "memory");
return oldbit;
@@ -95,11 +95,11 @@ static inline int sync_test_and_set_bit(int nr, volatile unsigned long *addr)
* This operation is atomic and cannot be reordered.
* It also implies a memory barrier.
*/
-static inline int sync_test_and_clear_bit(int nr, volatile unsigned long *addr)
+static inline int sync_test_and_clear_bit(long nr, volatile unsigned long *addr)
{
int oldbit;
- asm volatile("lock; btrl %2,%1\n\tsbbl %0,%0"
+ asm volatile("lock; btr %2,%1\n\tsbbl %0,%0"
: "=r" (oldbit), "+m" (ADDR)
: "Ir" (nr) : "memory");
return oldbit;
@@ -113,11 +113,11 @@ static inline int sync_test_and_clear_bit(int nr, volatile unsigned long *addr)
* This operation is atomic and cannot be reordered.
* It also implies a memory barrier.
*/
-static inline int sync_test_and_change_bit(int nr, volatile unsigned long *addr)
+static inline int sync_test_and_change_bit(long nr, volatile unsigned long *addr)
{
int oldbit;
- asm volatile("lock; btcl %2,%1\n\tsbbl %0,%0"
+ asm volatile("lock; btc %2,%1\n\tsbbl %0,%0"
: "=r" (oldbit), "+m" (ADDR)
: "Ir" (nr) : "memory");
return oldbit;