commit 3a72e669dc835c859797f7e85026002163df1e1d
author Giacomo Travaglini <giacomo.travaglini@arm.com> Tue Jun 15 10:11:00 2021 +0100
committer Giacomo Travaglini <giacomo.travaglini@arm.com> Tue Jul 06 12:56:52 2021 +0000
tree 60c5f0cd6d4e05a791f124869f8d20025ec7aedb
parent 065c9ec3f9d6393cdf4ced4cc4927b3e930d4c7d

arch-arm: No need to copy haveLPAE when switching TLBs

When calling the TLB::takeOverFrom, there is no need to
copy the fixed haveLPAE variable as it is a system level
parameter (from ArmSystem) and it is assumed to be the same
for all TLBs (even the switched out)

Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: I0b010d18ae71e43290f7f76f229c1a231ff42ac0
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/46899
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/arch/arm/tlb.cc

diff --git a/src/arch/arm/tlb.cc b/src/arch/arm/tlb.cc
index bc49aae..a1929a4 100644
--- a/src/arch/arm/tlb.cc
+++ b/src/arch/arm/tlb.cc
@@ -469,7 +469,6 @@
     /* Make sure we actually have a valid type */
     if (otlb) {
         _attr = otlb->_attr;
-        haveLPAE = otlb->haveLPAE;
         directToStage2 = otlb->directToStage2;
         stage2Req = otlb->stage2Req;
         stage2DescReq = otlb->stage2DescReq;