Jan Beulich
2007-Mar-14 16:33 UTC
[Xen-devel] [PATCH] 32on64 oversight in update_va_mapping
Signed-off-by: Jan Beulich <jbeulich@novell.com>
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);
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