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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 19:51:09 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 19:51:09 +0200
commit81a07d7588d376c530d006e24d7981304ce96e16 (patch)
tree1608e094c88b9702c86cf2e6f65339aab9ea3f3f /include/asm-x86_64/spinlock.h
parentMerge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 (diff)
parent[PATCH] x86_64: x86_64 stack usage debugging (diff)
downloadlinux-81a07d7588d376c530d006e24d7981304ce96e16.tar.xz
linux-81a07d7588d376c530d006e24d7981304ce96e16.zip
Merge branch 'x86-64'
* x86-64: (83 commits) [PATCH] x86_64: x86_64 stack usage debugging [PATCH] x86_64: (resend) x86_64 stack overflow debugging [PATCH] x86_64: msi_apic.c build fix [PATCH] x86_64: i386/x86-64 Add nmi watchdog support for new Intel CPUs [PATCH] x86_64: Avoid broadcasting NMI IPIs [PATCH] x86_64: fix apic error on bootup [PATCH] x86_64: enlarge window for stack growth [PATCH] x86_64: Minor string functions optimizations [PATCH] x86_64: Move export symbols to their C functions [PATCH] x86_64: Standardize i386/x86_64 handling of NMI_VECTOR [PATCH] x86_64: Fix modular pc speaker [PATCH] x86_64: remove sys32_ni_syscall() [PATCH] x86_64: Do not use -ffunction-sections for modules [PATCH] x86_64: Add cpu_relax to apic_wait_icr_idle [PATCH] x86_64: adjust kstack_depth_to_print default [PATCH] i386/x86-64: adjust /proc/interrupts column headings [PATCH] x86_64: Fix race in cpu_local_* on preemptible kernels [PATCH] x86_64: Fix fast check in safe_smp_processor_id [PATCH] x86_64: x86_64 setup.c - printing cmp related boottime information [PATCH] i386/x86-64/ia64: Move polling flag into thread_info_status ... Manual resolve of trivial conflict in arch/i386/kernel/Makefile
Diffstat (limited to 'include/asm-x86_64/spinlock.h')
-rw-r--r--include/asm-x86_64/spinlock.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index 5d8a5e3589ff..8d3421996f94 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -31,15 +31,19 @@
"jmp 1b\n" \
LOCK_SECTION_END
+#define __raw_spin_lock_string_up \
+ "\n\tdecl %0"
+
#define __raw_spin_unlock_string \
"movl $1,%0" \
:"=m" (lock->slock) : : "memory"
static inline void __raw_spin_lock(raw_spinlock_t *lock)
{
- __asm__ __volatile__(
- __raw_spin_lock_string
- :"=m" (lock->slock) : : "memory");
+ alternative_smp(
+ __raw_spin_lock_string,
+ __raw_spin_lock_string_up,
+ "=m" (lock->slock) : : "memory");
}
#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)