xen-devel

[Top] [All Lists]

[Xen-devel] [PATCH] 32on64 oversight in update_va_mapping

from [Jan Beulich]

[Permanent Link][Original]

To:	<xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	[Xen-devel] [PATCH] 32on64 oversight in update_va_mapping
From:	"Jan Beulich" <jbeulich@xxxxxxxxxx>
Date:	Wed, 14 Mar 2007 16:33:34 +0000
Delivery-date:	Wed, 14 Mar 2007 09:32:37 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

Index: 2007-02-27/xen/arch/x86/mm.c
===================================================================
--- 2007-02-27.orig/xen/arch/x86/mm.c   2007-03-13 15:20:23.000000000 +0100
+++ 2007-02-27/xen/arch/x86/mm.c        2007-03-14 17:25:38.000000000 +0100
@@ -2768,7 +2768,9 @@ int do_update_va_mapping(unsigned long v
             flush_tlb_one_mask(d->domain_dirty_cpumask, va);
             break;
         default:
-            if ( unlikely(get_user(vmask, (unsigned long *)bmap_ptr)) )
+            if ( unlikely(!IS_COMPAT(d) ?
+                          get_user(vmask, (unsigned long *)bmap_ptr) :
+                          get_user(vmask, (unsigned int *)bmap_ptr)) )
                 rc = -EFAULT;
             pmask = vcpumask_to_pcpumask(d, vmask);
             flush_tlb_one_mask(pmask, va);


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

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-devel] [PATCH] 32on64 oversight in update_va_mapping, Jan Beulich <=

Previous by Date:	[Xen-devel] Custom Xen LiveCD, Nick Astete
Next by Date:	Re: [Xen-devel] return value checking on multicalls, Jeremy Fitzhardinge
Previous by Thread:	[Xen-devel] Custom Xen LiveCD, Nick Astete
Next by Thread:	[Xen-devel] [PATCH][HVM] remove qemu shadow_vram patch for performance, Zhai, Edwin
Indexes:	[Date] [Thread] [Top] [All Lists]