[Xen-changelog] [xen master] x86/EFI: fix EFI_MEMORY_WP handling

[patchbot@xxxxxxx]

commit af23e79f46583abc18e8cffdec0b69297cfbdff0
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jun 10 12:01:35 2015 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 10 12:01:35 2015 +0200

    x86/EFI: fix EFI_MEMORY_WP handling
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/common/efi/boot.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c
index 4b816f2..130166e 100644
--- a/xen/common/efi/boot.c
+++ b/xen/common/efi/boot.c
@@ -1202,7 +1202,7 @@ 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;
 
--
generated by git-patchbot for /home/xen/git/xen.git#master

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog