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authorIngo Molnar <mingo@elte.hu>2011-07-01 10:28:42 +0200
committerIngo Molnar <mingo@elte.hu>2011-07-01 10:28:46 +0200
commit10e6962765f8213941eaa1cbb9de425ff0689e2e (patch)
treec277e4ac5b2b7156152454578c39e90da5127dd8 /arch/x86/include/asm/pvclock.h
parentaf07ce3e77d3b24ab1d71fcc5833d41800f23b2b (diff)
parentb0af8dfdd67699e25083478c63eedef2e72ebd85 (diff)
downloadlwn-10e6962765f8213941eaa1cbb9de425ff0689e2e.tar.gz
lwn-10e6962765f8213941eaa1cbb9de425ff0689e2e.zip
Merge commit 'v3.0-rc5' into perf/core
Merge reason: Pick up the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/pvclock.h')
-rw-r--r--arch/x86/include/asm/pvclock.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
index 31d84acc1512..a518c0a45044 100644
--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -22,6 +22,8 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift)
u64 product;
#ifdef __i386__
u32 tmp1, tmp2;
+#else
+ ulong tmp;
#endif
if (shift < 0)
@@ -42,8 +44,11 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift)
: "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) );
#elif defined(__x86_64__)
__asm__ (
- "mul %%rdx ; shrd $32,%%rdx,%%rax"
- : "=a" (product) : "0" (delta), "d" ((u64)mul_frac) );
+ "mul %[mul_frac] ; shrd $32, %[hi], %[lo]"
+ : [lo]"=a"(product),
+ [hi]"=d"(tmp)
+ : "0"(delta),
+ [mul_frac]"rm"((u64)mul_frac));
#else
#error implement me!
#endif