Support this feature since version 4.1, disable it by default in the old version. Signed-off-by: Dongjiu Geng <gengdongjiu@xxxxxxxxxx> --- hw/arm/virt.c | 6 ++++++ include/hw/arm/virt.h | 1 + 2 files changed, 7 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 5331ab7..7bdd41b 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -2043,8 +2043,14 @@ DEFINE_VIRT_MACHINE_AS_LATEST(4, 1) static void virt_machine_4_0_options(MachineClass *mc) { + VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); + virt_machine_4_1_options(mc); compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); + /* Disable memory recovery feature for 4.0 as RAS support was + * introduced with 4.1. + */ + vmc->no_ras = true; } DEFINE_VIRT_MACHINE(4, 0) diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 4240709..7f1a033 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -104,6 +104,7 @@ typedef struct { bool disallow_affinity_adjustment; bool no_its; bool no_pmu; + bool no_ras; bool claim_edge_triggered_timers; bool smbios_old_sys_ver; bool no_highmem_ecam; -- 1.8.3.1