Rust, target/i386 changes for QEMU 10.1 soft freeze

[PULL 63/77] i386/cpu: Enable 0x1f leaf for SierraForest by default

Paolo Bonzini posted 77 patches 4 months ago

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Maintainers: "Philippe Mathieu-Daudé" <philmd@linaro.org>, "Daniel P. Berrangé" <berrange@redhat.com>, Kashyap Chamarthy <kchamart@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Cornelia Huck <cohuck@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Manos Pitsidianakis <manos.pitsidianakis@linaro.org>, Zhao Liu <zhao1.liu@intel.com>, Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Phil Dennis-Jordan <phil@philjordan.eu>, Reinoud Zandijk <reinoud@netbsd.org>, Sunil Muthuswamy <sunilmut@microsoft.com>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, Ed Maste <emaste@freebsd.org>, Li-Wen Hsu <lwhsu@freebsd.org>, "Alex Bennée" <alex.bennee@linaro.org>, Thomas Huth <thuth@redhat.com>

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[PULL 63/77] i386/cpu: Enable 0x1f leaf for SierraForest by default

Posted by Paolo Bonzini 4 months ago

From: Zhao Liu <zhao1.liu@intel.com>

Host SierraForest 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/20250711104603.1634832-7-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/cpu.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 482979a4437..668f3e63b7b 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5389,8 +5389,11 @@ static const X86CPUDefinition builtin_x86_defs[] = {
             },
             {
                 .version = 3,
-                .note = "with srf-sp cache model",
+                .note = "with srf-sp cache model and 0x1f leaf",
                 .cache_info = &xeon_srf_cache_info,
+                .props = (PropValue[]) {
+                    { "x-force-cpuid-0x1f", "on" },
+                }
             },
             { /* end of list */ },
         },
-- 
2.50.0