summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorIngo Molnar2008-09-05 17:03:17 +0200
committerIngo Molnar2008-09-05 17:03:17 +0200
commit0a328ea43da9c3eefce7cb6c947e43e1a0fef810 (patch)
treef591798a923d07ef0cc8e89a595570e205f094fa /include
parentMerge commit '63cc8c75156462d4b42cbdd76c293b7eee7ddbfe': (diff)
parentx86: spinlock use LOCK_PREFIX (diff)
downloadkernel-qcow2-linux-0a328ea43da9c3eefce7cb6c947e43e1a0fef810.tar.gz
kernel-qcow2-linux-0a328ea43da9c3eefce7cb6c947e43e1a0fef810.tar.xz
kernel-qcow2-linux-0a328ea43da9c3eefce7cb6c947e43e1a0fef810.zip
Merge branch 'x86/alternatives' into x86/core
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86/futex.h6
-rw-r--r--include/asm-x86/spinlock.h6
2 files changed, 6 insertions, 6 deletions
diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h
index 45dc24d84186..06b924ef6fa5 100644
--- a/include/asm-x86/futex.h
+++ b/include/asm-x86/futex.h
@@ -25,7 +25,7 @@
asm volatile("1:\tmovl %2, %0\n" \
"\tmovl\t%0, %3\n" \
"\t" insn "\n" \
- "2:\tlock; cmpxchgl %3, %2\n" \
+ "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n" \
"\tjnz\t1b\n" \
"3:\t.section .fixup,\"ax\"\n" \
"4:\tmov\t%5, %1\n" \
@@ -64,7 +64,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
__futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ADD:
- __futex_atomic_op1("lock; xaddl %0, %2", ret, oldval,
+ __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
uaddr, oparg);
break;
case FUTEX_OP_OR:
@@ -122,7 +122,7 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval,
if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
return -EFAULT;
- asm volatile("1:\tlock; cmpxchgl %3, %1\n"
+ asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %3, %1\n"
"2:\t.section .fixup, \"ax\"\n"
"3:\tmov %2, %0\n"
"\tjmp 2b\n"
diff --git a/include/asm-x86/spinlock.h b/include/asm-x86/spinlock.h
index 5d08fa280fdf..93adae338ac6 100644
--- a/include/asm-x86/spinlock.h
+++ b/include/asm-x86/spinlock.h
@@ -97,7 +97,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
"jne 1f\n\t"
"movw %w0,%w1\n\t"
"incb %h1\n\t"
- "lock ; cmpxchgw %w1,%2\n\t"
+ LOCK_PREFIX "cmpxchgw %w1,%2\n\t"
"1:"
"sete %b1\n\t"
"movzbl %b1,%0\n\t"
@@ -135,7 +135,7 @@ static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
int inc = 0x00010000;
int tmp;
- asm volatile("lock ; xaddl %0, %1\n"
+ asm volatile(LOCK_PREFIX "xaddl %0, %1\n"
"movzwl %w0, %2\n\t"
"shrl $16, %0\n\t"
"1:\t"
@@ -162,7 +162,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
"cmpl %0,%1\n\t"
"jne 1f\n\t"
"addl $0x00010000, %1\n\t"
- "lock ; cmpxchgl %1,%2\n\t"
+ LOCK_PREFIX "cmpxchgl %1,%2\n\t"
"1:"
"sete %b1\n\t"
"movzbl %b1,%0\n\t"