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authorRichard Henderson <richard.henderson@linaro.org>2022-03-01 11:59:58 -1000
committerPeter Maydell <peter.maydell@linaro.org>2022-03-07 14:32:21 +0000
commit0942820408dc788560f6968e9b5f011803b846c2 (patch)
tree455438f799c23504eca41bab6ae61b22ce4a190a /hw/arm
parent69b2265d5fe8e0f401d75e175e0a243a7d505e53 (diff)
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hw/arm/virt: Disable LPA2 for -machine virt-6.2
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. Cc: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm')
-rw-r--r--hw/arm/virt.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 46bf7ce..46a4250 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2102,6 +2102,10 @@ static void machvirt_init(MachineState *machine)
object_property_set_bool(cpuobj, "pmu", false, NULL);
}
+ if (vmc->no_tcg_lpa2 && object_property_find(cpuobj, "lpa2")) {
+ object_property_set_bool(cpuobj, "lpa2", false, NULL);
+ }
+
if (object_property_find(cpuobj, "reset-cbar")) {
object_property_set_int(cpuobj, "reset-cbar",
vms->memmap[VIRT_CPUPERIPHS].base,
@@ -3020,8 +3024,11 @@ DEFINE_VIRT_MACHINE_AS_LATEST(7, 0)
static void virt_machine_6_2_options(MachineClass *mc)
{
+ VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
+
virt_machine_7_0_options(mc);
compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len);
+ vmc->no_tcg_lpa2 = true;
}
DEFINE_VIRT_MACHINE(6, 2)