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[Xen-devel] [PATCH] x86/paravirt: return full 64-bit result
| To: | Ingo Molnar <mingo@xxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] x86/paravirt: return full 64-bit result |
| From: | Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
| Date: | Tue, 03 Feb 2009 16:00:38 -0800 |
| Cc: | the arch/x86 maintainers <x86@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx> |
| Delivery-date: | Tue, 03 Feb 2009 16:01:10 -0800 |
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A hunk went missing in the original patch, and callee-save callsites were
not marked as returning the upper 32-bit of result, causing Badness.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/include/asm/paravirt.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
===================================================================
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -522,7 +522,7 @@
"=c" (__ecx)
#define PVOP_CALL_CLOBBERS PVOP_VCALL_CLOBBERS
-#define PVOP_VCALLEE_CLOBBERS "=a" (__eax)
+#define PVOP_VCALLEE_CLOBBERS "=a" (__eax), "=d" (__edx)
#define PVOP_CALLEE_CLOBBERS PVOP_VCALLEE_CLOBBERS
#define EXTRA_CLOBBERS
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