[Xen-changelog] [xen-unstable] [HVM][SVM] Use proper name for the K8 VM_CR MSR.

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

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID f14a67a35becfb8fb9b455a219fd1a7c942bc21d
# Parent  d845c9522d9e26d7b3cbd6a193d583a47fe3c787
[HVM][SVM] Use proper name for the K8 VM_CR MSR.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 xen/arch/x86/hvm/svm/svm.c |    7 ++++---
 xen/include/asm-x86/msr.h  |    8 +++++++-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff -r d845c9522d9e -r f14a67a35bec xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c        Thu Oct 12 16:12:10 2006 +0100
+++ b/xen/arch/x86/hvm/svm/svm.c        Thu Oct 12 17:53:51 2006 +0100
@@ -842,12 +842,13 @@ int start_svm(void)
         return 0;
 
     /* check whether SVM feature is disabled in BIOS */
-    rdmsr(0xC0010114, eax, edx);
-    if ( eax & 0x00000010 ) {
+    rdmsr(MSR_K8_VM_CR, eax, edx);
+    if ( eax & K8_VMCR_SVME_DISABLE )
+    {
         printk("AMD SVM Extension is disabled in BIOS.\n");
         return 0;
     }
-    
+
     if (!(hsa[cpu] = alloc_host_save_area()))
         return 0;
     
diff -r d845c9522d9e -r f14a67a35bec xen/include/asm-x86/msr.h
--- a/xen/include/asm-x86/msr.h Thu Oct 12 16:12:10 2006 +0100
+++ b/xen/include/asm-x86/msr.h Thu Oct 12 17:53:51 2006 +0100
@@ -302,8 +302,14 @@ static inline void wrmsrl(unsigned int m
 
 #define MSR_K8_TOP_MEM1                        0xC001001A
 #define MSR_K8_TOP_MEM2                        0xC001001D
+#define MSR_K8_SYSCFG                  0xC0010010
+#define MSR_K8_HWCR                    0xC0010015
+#define MSR_K8_VM_CR                   0xC0010114
 #define MSR_K8_VM_HSAVE_PA             0xC0010117
-#define MSR_K8_SYSCFG                  0xC0000010      
+
+/* MSR_K8_VM_CR bits: */
+#define _K8_VMCR_SVME_DISABLE          4
+#define K8_VMCR_SVME_DISABLE           (1 << _K8_VMCR_SVME_DISABLE)
 
 /* Centaur-Hauls/IDT defined MSRs. */
 #define MSR_IDT_FCR1                   0x107

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog