From: Zhao Liu <zhao1....@intel.com> Host SapphireRapids CPU has 0x1f leaf by default, so that enable it for Guest CPU by default as well.
Suggested-by: Igor Mammedov <imamm...@redhat.com> Reviewed-by: Dapeng Mi <dapeng1...@linux.intel.com> Tested-by: Yi Lai <yi1....@intel.com> Signed-off-by: Zhao Liu <zhao1....@intel.com> Link: https://lore.kernel.org/r/20250711104603.1634832-9-zhao1....@intel.com Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- target/i386/cpu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index a11e9bb1117..216e0232df4 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -5081,8 +5081,12 @@ static const X86CPUDefinition builtin_x86_defs[] = { }, { .version = 4, - .note = "with spr-sp cache model", + .note = "with spr-sp cache model and 0x1f leaf", .cache_info = &xeon_spr_cache_info, + .props = (PropValue[]) { + { "x-force-cpuid-0x1f", "on" }, + { /* end of list */ }, + } }, { /* end of list */ } } -- 2.50.0
