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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2012-03-20 02:24:25 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2012-03-20 02:24:25 +0100
commit3799f797d1c8f440bd83c11db3d76a9fb93b6fdb (patch)
tree7889990f996db487f53d27abf1860799c2d68b90
parentba54d8a07b20916b84df1d8159fb0b50f8f692b8 (diff)
Make xchgl arch-neutral
* i386/i386/xen.h (xchgl): Use xchg instruction instead of xchgl, so the assembler can detect unsigned long size.
-rw-r--r--i386/i386/xen.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/i386/i386/xen.h b/i386/i386/xen.h
index a8d919d..ba47eb4 100644
--- a/i386/i386/xen.h
+++ b/i386/i386/xen.h
@@ -38,7 +38,7 @@
#define wmb() mb()
MACH_INLINE unsigned long xchgl(volatile unsigned long *ptr, unsigned long x)
{
- __asm__ __volatile__("xchgl %0, %1"
+ __asm__ __volatile__("xchg %0, %1"
: "=r" (x)
: "m" (*(ptr)), "0" (x): "memory");
return x;