[Xen-changelog] [xen-unstable] [HVM][VMX] Fix the build with certain versions of gcc.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 9d717a4f3531b1442041ca0b40e2334ca5e4aa79
# Parent  92f071926e6edbd87e83cf117aaeb45cd5775c9b
[HVM][VMX] Fix the build with certain versions of gcc.
Restrict register choices to this which are byte addressable.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 xen/include/asm-x86/hvm/vmx/vmx.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff -r 92f071926e6e -r 9d717a4f3531 xen/include/asm-x86/hvm/vmx/vmx.h
--- a/xen/include/asm-x86/hvm/vmx/vmx.h Mon Jun 12 10:05:55 2006 +0100
+++ b/xen/include/asm-x86/hvm/vmx/vmx.h Mon Jun 12 10:09:44 2006 +0100
@@ -242,7 +242,7 @@ static always_inline int ___vmread(
                            MODRM_EAX_ECX
                            /* CF==1 or ZF==1 --> rc = -1 */
                            "setna %b0 ; neg %0"
-                           : "=r" (rc), "=c" (ecx)
+                           : "=q" (rc), "=c" (ecx)
                            : "a" (field)
                            : "memory");
 
@@ -313,7 +313,7 @@ static inline int __vmwrite (unsigned lo
                            MODRM_EAX_ECX
                            /* CF==1 or ZF==1 --> rc = -1 */
                            "setna %b0 ; neg %0"
-                           : "=r" (rc)
+                           : "=q" (rc)
                            : "a" (field) , "c" (value)
                            : "memory");
 
@@ -366,7 +366,7 @@ static inline int __vmxon (u64 addr)
                            MODRM_EAX_06
                            /* CF==1 or ZF==1 --> rc = -1 */
                            "setna %b0 ; neg %0"
-                           : "=r" (rc)
+                           : "=q" (rc)
                            : "a" (&addr) 
                            : "memory");
 

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