X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPkg%2FLibrary%2FArmLib%2FCommon%2FArm%2FArmLibSupport.S;fp=ArmPkg%2FLibrary%2FArmLib%2FCommon%2FArm%2FArmLibSupport.S;h=085f08bfda8cc425f6e43f3ee7a49e191db8f914;hb=b2d0e0c51a6ca426ec5e9748130489eb8208af96;hp=59f991885995dfc754ee6f2961eae962b0a6ee1b;hpb=0119b0660789a8db77fa5ff54652d155d7948d9b;p=mirror_edk2.git

diff --git a/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S b/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
index 59f9918859..085f08bfda 100644
--- a/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
+++ b/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
@@ -147,6 +147,7 @@ ASM_PFX(ArmReadScr):
 
 ASM_PFX(ArmWriteScr):
   mcr     p15, 0, r0, c1, c1, 0
+  isb
   bx      lr
 
 ASM_PFX(ArmReadHVBar):