Changeset 05e2a7ad in mainline for arch/ia32/include/atomic.h

Timestamp:

2005-12-07T13:32:31Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

839470f

Parents:

253f8590

Message:

Add comments describing locking rules for some locks.
Cleanup.

File:

• arch/ia32/include/atomic.h (modified) (3 diffs)

arch/ia32/include/atomic.h

@@ -54 +54 @@
         atomic_t r;
         __asm__ volatile (
-                "movl $1,%0;"
-                "lock xaddl %0,%1;"
+                "movl $1, %0\n"
+                "lock xaddl %0, %1\n"
                 : "=r"(r), "=m" (*val)
         );
@@ -67 +67 @@
         atomic_t r;
         __asm__ volatile (
-                "movl $-1,%0;"
-                "lock xaddl %0,%1;"
+                "movl $-1, %0\n"
+                "lock xaddl %0, %1\n"
                 : "=r"(r), "=m" (*val)
         );
@@ -76 +76 @@
 #define atomic_inc_post(val) (atomic_inc_pre(val)+1)
 #define atomic_dec_post(val) (atomic_dec_pre(val)-1)
-
-
 
 static inline int test_and_set(volatile int *val) {