[Xen-changelog] [xen master] VMX: drop memory clobbers from vmread/vmwrite wrappers

[patchbot@xxxxxxx]

commit 5fc2176d9b3c5988c041fa5926fdd2da2ad560b9
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Sep 23 17:37:50 2013 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Sep 23 17:37:50 2013 +0200

    VMX: drop memory clobbers from vmread/vmwrite wrappers
    
    All effects are properly being described by the asm() constraints.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jun Nakajima <jun.nakajima@xxxxxxxxx>
---
 xen/include/asm-x86/hvm/vmx/vmx.h |   15 ++++++---------
 1 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/xen/include/asm-x86/hvm/vmx/vmx.h 
b/xen/include/asm-x86/hvm/vmx/vmx.h
index 0cb6a42..6f6b672 100644
--- a/xen/include/asm-x86/hvm/vmx/vmx.h
+++ b/xen/include/asm-x86/hvm/vmx/vmx.h
@@ -336,12 +336,11 @@ static inline void __vmread(unsigned long field, unsigned 
long *value)
                    UNLIKELY_END_SECTION
 #ifdef HAVE_GAS_VMX
                    : "=rm" (*value)
-                   : "r" (field)
+                   : "r" (field));
 #else
                    : "=c" (*value)
-                   : "a" (field)
+                   : "a" (field));
 #endif
-                   : "memory");
 }
 
 static inline void __vmwrite(unsigned long field, unsigned long value)
@@ -358,11 +357,10 @@ static inline void __vmwrite(unsigned long field, 
unsigned long value)
                    UNLIKELY_END_SECTION
                    : 
 #ifdef HAVE_GAS_VMX
-                   : "r" (field) , "rm" (value)
+                   : "r" (field) , "rm" (value));
 #else
-                   : "a" (field) , "c" (value)
+                   : "a" (field) , "c" (value));
 #endif
-                   : "memory");
 }
 
 static inline bool_t __vmread_safe(unsigned long field, unsigned long *value)
@@ -379,12 +377,11 @@ static inline bool_t __vmread_safe(unsigned long field, 
unsigned long *value)
                    "setnbe %0"
 #ifdef HAVE_GAS_VMX
                    : "=qm" (okay), "=rm" (*value)
-                   : "r" (field)
+                   : "r" (field));
 #else
                    : "=qm" (okay), "=c" (*value)
-                   : "a" (field)
+                   : "a" (field));
 #endif
-                   : "memory");
 
     return okay;
 }
--
generated by git-patchbot for /home/xen/git/xen.git#master

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