From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date: Mon, 9 Nov 2015 13:27:56 +0000 (+0000)
Subject: ArmVirtPkg/PrePi: do not invalidate the entire data cache at startup
X-Git-Tag: edk2-stable201903~8608
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=8c5ac451d570f0a5680dd7614eb19404feb717d9

ArmVirtPkg/PrePi: do not invalidate the entire data cache at startup

Drop the call to ArmInvalidateDataCache () from the PrePi startup
sequence. This kind of data cache maintenance should not be performed
when running under virtualization.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18757 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/ArmVirtPkg/PrePi/PrePi.c b/ArmVirtPkg/PrePi/PrePi.c
index f9ad374272..fe7612cec7 100755
--- a/ArmVirtPkg/PrePi/PrePi.c
+++ b/ArmVirtPkg/PrePi/PrePi.c
@@ -194,8 +194,6 @@ CEntryPoint (
 
   // Data Cache enabled on Primary core when MMU is enabled.
   ArmDisableDataCache ();
-  // Invalidate Data cache
-  ArmInvalidateDataCache ();
   // Invalidate instruction cache
   ArmInvalidateInstructionCache ();
   // Enable Instruction Caches on all cores.