On 09/06/15 14:52, Jan Beulich wrote:
Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>


--- a/xen/common/efi/boot.c
+++ b/xen/common/efi/boot.c
@@ -1195,7 +1195,7 @@ void __init efi_init_memory(void)
         }
 
         if ( desc->Attribute & EFI_MEMORY_WP )
-            prot &= _PAGE_RW;
+            prot &= ~_PAGE_RW;
         if ( desc->Attribute & EFI_MEMORY_XP )
             prot |= _PAGE_NX;
 






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