From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Wed, 4 Feb 2009 00:00:38 +0000 (-0800)
Subject: x86/paravirt: return full 64-bit result
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0eb592dbba40baebec9cdde3ff4574185de6cbcc;p=linux-beck.git

x86/paravirt: return full 64-bit result

Impact: Bug fix

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@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 016dce311305..c85e7475e171 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -522,7 +522,7 @@ int paravirt_disable_iospace(void);
 					"=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