From a8fcb14520c0d3c54d20a79dffa897368e555115 Mon Sep 17 00:00:00 2001
From: Ciro Santilli <ciro.santilli@gmail.com>
Date: Fri, 18 May 2018 14:45:46 +0100
Subject: [PATCH] gem5: do some gem5 tweaks

Use the arm gem5 4.15 linux kernel. It should be fine since buildroot
userland is older.

Add some arm gem5 specific kernel config options.
---
 build | 2 ++
 linux | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/build b/build
index 90666cc..2dbdf44 100755
--- a/build
+++ b/build
@@ -109,9 +109,11 @@ case "$arch" in
   ;;
   arm)
     defconfig=qemu_arm_vexpress_defconfig
+    linux_kernel_custom_config_file="${root_dir}/linux/arch/arm/configs/gem5_defconfig"
   ;;
   aarch64)
     defconfig=qemu_aarch64_virt_defconfig
+    linux_kernel_custom_config_file="${root_dir}/linux/arch/arm64/configs/gem5_defconfig"
   ;;
   mips64)
     defconfig=qemu_mips64r6_malta_defconfig
diff --git a/linux b/linux
index 29dcea8..7dbffef 160000
--- a/linux
+++ b/linux
@@ -1 +1 @@
-Subproject commit 29dcea88779c856c7dc92040a0c01233263101d4
+Subproject commit 7dbffefaa22766b14f9b481753023219adae13e5