[edk2-devel] [Patch V4 04/15] MdeModulePkg: Remove RO and NX protection when unset guard page

[duntan]

Remove RO and NX protection when unset guard page.
When UnsetGuardPage(), remove all the memory attribute protection
for guarded page.

Signed-off-by: Dun Tan <dun.tan at intel.com>
Cc: Liming Gao <gaoliming at byosoft.com.cn>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Jian J Wang <jian.j.wang at intel.com>
---
 MdeModulePkg/Core/PiSmmCore/HeapGuard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Core/PiSmmCore/HeapGuard.c b/MdeModulePkg/Core/PiSmmCore/HeapGuard.c
index 8f3bab6fee..7daeeccf13 100644
--- a/MdeModulePkg/Core/PiSmmCore/HeapGuard.c
+++ b/MdeModulePkg/Core/PiSmmCore/HeapGuard.c
@@ -553,7 +553,7 @@ UnsetGuardPage (
                                          mSmmMemoryAttribute,
                                          BaseAddress,
                                          EFI_PAGE_SIZE,
-                                         EFI_MEMORY_RP
+                                         EFI_MEMORY_RP|EFI_MEMORY_RO|EFI_MEMORY_XP
                                          );
     ASSERT_EFI_ERROR (Status);
     mOnGuarding = FALSE;
-- 
2.31.1.windows.1



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