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* [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Fix bitwise size issue (K11)
@ 2017-10-12  5:59 Jian J Wang
  2017-10-12  7:56 ` Wu, Hao A
  0 siblings, 1 reply; 2+ messages in thread
From: Jian J Wang @ 2017-10-12  5:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Eric Dong, Hao A Wu

Cc: Eric Dong <eric.dong@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
---
 UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
index 0d3223d714..17459c790c 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
@@ -891,7 +891,7 @@ Gen4GPageTable (
     if ((Pte[0] & IA32_PG_PS) == 0) {
       // 4K-page entries are already mapped. Just hide the first one anyway.
       Pte = (UINT64*)(UINTN)(Pte[0] & ~mAddressEncMask & ~(EFI_PAGE_SIZE - 1));
-      Pte[0] &= ~IA32_PG_P; // Hide page 0
+      Pte[0] &= ~(UINT64)IA32_PG_P; // Hide page 0
     } else {
       // Create 4K-page entries
       Pages = (UINTN)AllocatePageTableMemory (1);
-- 
2.14.1.windows.1



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2017-10-12  5:59 [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Fix bitwise size issue (K11) Jian J Wang
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