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| author | Zhao Liu <zhao1.liu@intel.com> | 2025-07-11 18:46:02 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2025-07-12 15:28:22 +0200 |
| commit | 1bf465f3e0a786bf3267931461c0c15fe6232bc8 (patch) | |
| tree | 0477ddda133b9bcf8966a36e0fb8ba6215e8aa54 | |
| parent | 5dbdcdce06d9421598e84fa77692810ccc5c3a81 (diff) | |
| download | focaccia-qemu-1bf465f3e0a786bf3267931461c0c15fe6232bc8.tar.gz focaccia-qemu-1bf465f3e0a786bf3267931461c0c15fe6232bc8.zip | |
i386/cpu: Enable 0x1f leaf for SapphireRapids by default
Host SapphireRapids CPU has 0x1f leaf by default, so that enable it for Guest CPU by default as well. Suggested-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Tested-by: Yi Lai <yi1.lai@intel.com> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250711104603.1634832-9-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | target/i386/cpu.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index a11e9bb111..216e0232df 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 */ } } |