* [PATCH] vmx-smsw.patch
@ 2005-05-27 19:40 Arun Sharma
0 siblings, 0 replies; only message in thread
From: Arun Sharma @ 2005-05-27 19:40 UTC (permalink / raw)
To: Ian Pratt, Keir Fraser; +Cc: xen-devel
Handle vmexits from the SMSW instruction correctly.
Signed-off-by: Arun Sharma <arun.sharma@intel.com>
--- 1.58/xen/arch/x86/vmx.c 2005-05-26 19:36:15 -07:00
+++ edited/xen/arch/x86/vmx.c 2005-05-27 12:27:13 -07:00
@@ -987,10 +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:
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2005-05-27 19:40 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2005-05-27 19:40 [PATCH] vmx-smsw.patch Arun Sharma
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.