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From: Zhao Liu <zhao1.liu@intel.com>
To: "Paolo Bonzini" <pbonzini@redhat.com>,
	"Daniel P . Berrangé" <berrange@redhat.com>,
	"Igor Mammedov" <imammedo@redhat.com>,
	"Eduardo Habkost" <eduardo@habkost.net>
Cc: Ewan Hai <ewanhai-oc@zhaoxin.com>,
	Jason Zeng <jason.zeng@intel.com>,
	Xiaoyao Li <xiaoyao.li@intel.com>, Tao Su <tao1.su@intel.com>,
	Yi Lai <yi1.lai@intel.com>, Dapeng Mi <dapeng1.mi@intel.com>,
	Tejus GK <tejus.gk@nutanix.com>,
	Manish Mishra <manish.mishra@nutanix.com>,
	qemu-devel@nongnu.org, Zhao Liu <zhao1.liu@intel.com>,
	Dapeng Mi <dapeng1.mi@linux.intel.com>
Subject: [PATCH v2 7/9] i386/cpu: Enable 0x1f leaf for GraniteRapids by default
Date: Fri, 11 Jul 2025 18:46:01 +0800	[thread overview]
Message-ID: <20250711104603.1634832-8-zhao1.liu@intel.com> (raw)
In-Reply-To: <20250711104603.1634832-1-zhao1.liu@intel.com>

Host GraniteRapids 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>
---
Changes since RFC:
 * Rename the property to "x-force-cpuid-0x1f". (Igor)
---
 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 2f19726a9397..02198872ede7 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5237,8 +5237,11 @@ static const X86CPUDefinition builtin_x86_defs[] = {
             },
             {
                 .version = 3,
-                .note = "with gnr-sp cache model",
+                .note = "with gnr-sp cache model and 0x1f leaf",
                 .cache_info = &xeon_gnr_cache_info,
+                .props = (PropValue[]) {
+                    { "x-force-cpuid-0x1f", "on" },
+                }
             },
             { /* end of list */ },
         },
-- 
2.34.1



  parent reply	other threads:[~2025-07-11 10:26 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-11 10:45 [PATCH v2 0/9] i386/cpu: Intel cache model & topo CPUID enhencement Zhao Liu
2025-07-11 10:45 ` [PATCH v2 1/9] i386/cpu: Introduce cache model for SierraForest Zhao Liu
2025-07-11 10:45 ` [PATCH v2 2/9] i386/cpu: Introduce cache model for GraniteRapids Zhao Liu
2025-07-11 10:45 ` [PATCH v2 3/9] i386/cpu: Introduce cache model for SapphireRapids Zhao Liu
2025-07-11 10:45 ` [PATCH v2 4/9] i386/cpu: Introduce cache model for YongFeng Zhao Liu
2025-07-11 10:45 ` [PATCH v2 5/9] i386/cpu: Add a "x-force-cpuid-0x1f" property Zhao Liu
2025-07-11 10:46 ` [PATCH v2 6/9] i386/cpu: Enable 0x1f leaf for SierraForest by default Zhao Liu
2025-07-11 10:46 ` Zhao Liu [this message]
2025-07-11 10:46 ` [PATCH v2 8/9] i386/cpu: Enable 0x1f leaf for SapphireRapids " Zhao Liu
2025-07-11 10:46 ` [PATCH v2 9/9] i386/cpu: Enable 0x1f leaf for YongFeng " Zhao Liu
2025-07-11 16:51 ` [PATCH v2 0/9] i386/cpu: Intel cache model & topo CPUID enhencement Paolo Bonzini

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