From: "Mi, Dapeng" <dapeng1.mi@linux.intel.com>
To: "Zhao Liu" <zhao1.liu@intel.com>,
"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
Subject: Re: [PATCH 7/8] i386/cpu: Enable 0x1f leaf for GraniteRapids by default
Date: Fri, 4 Jul 2025 11:47:42 +0800 [thread overview]
Message-ID: <1dc7cdfd-b34a-4f7c-b9f1-8c24861c8272@linux.intel.com> (raw)
In-Reply-To: <20250626083105.2581859-8-zhao1.liu@intel.com>
On 6/26/2025 4:31 PM, Zhao Liu wrote:
> 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>
> 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 70f8fc37f8e0..acf7e0de184d 100644
> --- a/target/i386/cpu.c
> +++ b/target/i386/cpu.c
> @@ -5242,8 +5242,11 @@ static const X86CPUDefinition builtin_x86_defs[] = {
> },
> {
> .version = 3,
> - .note = "with gnr-sp cache model",
> + .note = "with gnr-sp cache model and 0x1f leaf",
ditto.
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
> .cache_info = &xeon_gnr_cache_info,
> + .props = (PropValue[]) {
> + { "x-force-cpuid-0x1f", "on" },
> + }
> },
> { /* end of list */ },
> },
next prev parent reply other threads:[~2025-07-04 3:48 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-26 8:30 [PATCH 0/8] i386/cpu: Intel cache model & topo CPUID enhencement Zhao Liu
2025-06-26 8:30 ` [PATCH 1/8] i386/cpu: Introduce cache model for SierraForest Zhao Liu
2025-07-04 3:33 ` Mi, Dapeng
2025-07-07 0:57 ` Tao Su
2025-06-26 8:30 ` [PATCH 2/8] i386/cpu: Introduce cache model for GraniteRapids Zhao Liu
2025-07-04 3:34 ` Mi, Dapeng
2025-07-07 0:58 ` Tao Su
2025-06-26 8:31 ` [PATCH 3/8] i386/cpu: Introduce cache model for SapphireRapids Zhao Liu
2025-07-04 3:35 ` Mi, Dapeng
2025-07-07 0:58 ` Tao Su
2025-06-26 8:31 ` [PATCH 4/8] i386/cpu: Introduce cache model for YongFeng Zhao Liu
2025-06-29 9:47 ` Ewan Hai
2025-07-02 6:35 ` Zhao Liu
2025-07-02 9:35 ` Ewan Hai
2025-06-26 8:31 ` [PATCH 5/8] i386/cpu: Add a "x-force-cpuid-0x1f" property Zhao Liu
2025-06-26 12:07 ` Ewan Hai
2025-06-27 3:05 ` Zhao Liu
2025-06-27 6:48 ` Ewan Hai
2025-06-27 10:00 ` Zhao Liu
2025-07-04 3:38 ` Mi, Dapeng
2025-06-26 8:31 ` [PATCH 6/8] i386/cpu: Enable 0x1f leaf for SierraForest by default Zhao Liu
2025-07-04 3:45 ` Mi, Dapeng
2025-06-26 8:31 ` [PATCH 7/8] i386/cpu: Enable 0x1f leaf for GraniteRapids " Zhao Liu
2025-07-04 3:47 ` Mi, Dapeng [this message]
2025-06-26 8:31 ` [PATCH 8/8] i386/cpu: Enable 0x1f leaf for SapphireRapids " Zhao Liu
2025-07-04 3:48 ` Mi, Dapeng
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