 Home |
Products |
Support |
Community |
News |
xen-changelog
[Xen-changelog] [xen-3.0-testing] [XEN] IOPL is ignored for VM86 mode po
| To: | xen-changelog@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-changelog] [xen-3.0-testing] [XEN] IOPL is ignored for VM86 mode port accesses. Fix Xen |
| From: | Xen patchbot-3.0-testing <patchbot-3.0-testing@xxxxxxxxxxxxxxxxxxx> |
| Date: | Sat, 10 Jun 2006 13:20:44 +0000 |
| Delivery-date: | Sat, 10 Jun 2006 06:22:31 -0700 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxx |
| List-help: | <mailto:xen-changelog-request@lists.xensource.com?subject=help> |
| List-id: | BK change log <xen-changelog.lists.xensource.com> |
| List-post: | <mailto:xen-changelog@lists.xensource.com> |
| List-subscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe> |
| Reply-to: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Sender: | xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx |
# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID d83290c8ad8dd56e445dc085d185f8c8f8975860
# Parent 25a84ad211ddb8206e3c36f238e7592d70460cfd
[XEN] IOPL is ignored for VM86 mode port accesses. Fix Xen
emulation to match native behaviour.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
xen-unstable changeset: 10309:5a0ed6c476732da229c3307ea5357cdd196e5462
xen-unstable date: Fri Jun 9 14:29:00 2006 +0100
---
xen/arch/x86/traps.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -r 25a84ad211dd -r d83290c8ad8d xen/arch/x86/traps.c
--- a/xen/arch/x86/traps.c Thu Jun 08 16:52:34 2006 +0100
+++ b/xen/arch/x86/traps.c Fri Jun 09 14:50:44 2006 +0100
@@ -745,7 +745,8 @@ static inline int guest_io_okay(
#define TOGGLE_MODE() ((void)0)
#endif
- if ( v->arch.iopl >= (guest_kernel_mode(v, regs) ? 1 : 3) )
+ if ( !vm86_mode(regs) &&
+ (v->arch.iopl >= (guest_kernel_mode(v, regs) ? 1 : 3)) )
return 1;
if ( v->arch.iobmp_limit > (port + bytes) )
_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog
|
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | [Xen-changelog] [xen-unstable] [XEN] VCPU operation register_runstate should work even when, Xen patchbot-unstable |
|---|---|
| Next by Date: | [Xen-changelog] [xen-3.0-testing] [XEN] VCPU operation register_runstate should work even when, Xen patchbot-3 . 0-testing |
| Previous by Thread: | [Xen-changelog] [xen-unstable] [XEN] VCPU operation register_runstate should work even when, Xen patchbot-unstable |
| Next by Thread: | [Xen-changelog] [xen-3.0-testing] [XEN] VCPU operation register_runstate should work even when, Xen patchbot-3 . 0-testing |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
