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[PATCH v5 2/2] hw/core: Disable LPA2 for -machine virt-6.2
From: |
Richard Henderson |
Subject: |
[PATCH v5 2/2] hw/core: Disable LPA2 for -machine virt-6.2 |
Date: |
Fri, 4 Mar 2022 10:03:01 -1000 |
There is a Linux kernel bug present until v5.12 that prevents
booting with FEAT_LPA2 enabled. As a workaround for TCG,
disable this feature for machine versions prior to 7.0.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
hw/core/machine.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/core/machine.c b/hw/core/machine.c
index d856485cb4..f3c410fe58 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -37,7 +37,9 @@
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-pci.h"
-GlobalProperty hw_compat_6_2[] = {};
+GlobalProperty hw_compat_6_2[] = {
+ { "max-arm-cpu", "lpa2", "off" },
+};
const size_t hw_compat_6_2_len = G_N_ELEMENTS(hw_compat_6_2);
GlobalProperty hw_compat_6_1[] = {
--
2.25.1