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

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

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