[Xen-changelog] [PATCH] vmx-smsw.patch

[BitKeeper Bot <riel@xxxxxxxxxxx>]

ChangeSet 1.1578, 2005/05/28 09:54:12+01:00, arun.sharma@xxxxxxxxx

        [PATCH] vmx-smsw.patch
        
        Handle vmexits from the SMSW instruction correctly.
        
        Signed-off-by: Arun Sharma <arun.sharma@xxxxxxxxx>



 vmx.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)


diff -Nru a/xen/arch/x86/vmx.c b/xen/arch/x86/vmx.c
--- a/xen/arch/x86/vmx.c        2005-05-28 05:04:01 -04:00
+++ b/xen/arch/x86/vmx.c        2005-05-28 05:04:01 -04:00
@@ -986,10 +986,9 @@
         __vmwrite(CR0_READ_SHADOW, value);
         break;
     case TYPE_LMSW:
-        __vmwrite(CR0_READ_SHADOW, value);
+        __vmread(CR0_READ_SHADOW, &value);
        value = (value & ~0xF) |
-               (((exit_qualification & LMSW_SOURCE_DATA) >> 16) & 0xF) |
-               1 /* CR0.PE == 1 */;
+               (((exit_qualification & LMSW_SOURCE_DATA) >> 16) & 0xF);
        return vmx_set_cr0(value);
         break;
     default:

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