From: Xiaoyao Li <xiaoyao.li@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>
Cc: Ewan Hai <ewanhai-oc@zhaoxin.com>, Tao Su <tao1.su@intel.com>,
Yi Lai <yi1.lai@intel.com>, Dapeng Mi <dapeng1.mi@intel.com>,
qemu-devel@nongnu.org, Tao Su <tao1.su@linux.intel.com>
Subject: Re: [PATCH v2 1/7] i386/cpu: Mark EBX/ECX/EDX in CPUID 0x80000000 leaf as reserved for Intel
Date: Mon, 14 Jul 2025 16:15:18 +0800 [thread overview]
Message-ID: <d76d8316-cb7a-444c-bcac-ea134ce07bf1@intel.com> (raw)
In-Reply-To: <20250714080859.1960104-2-zhao1.liu@intel.com>
On 7/14/2025 4:08 PM, Zhao Liu wrote:
> Per SDM,
>
> 80000000H EAX Maximum Input Value for Extended Function CPUID Information.
> EBX Reserved.
> ECX Reserved.
> EDX Reserved.
>
> EBX/ECX/EDX in CPUID 0x80000000 leaf are reserved. Intel and Zhaoxin are
> already using 0x0 leaf to encode vendor.
>
> Reviewed-by: Tao Su <tao1.su@linux.intel.com>
> Tested-by: Yi Lai <yi1.lai@intel.com>
> Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
next prev parent reply other threads:[~2025-07-14 8:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-14 8:08 [PATCH v2 0/7] i386/cpu: Clean Up Reserved CPUID Leaves & Topology Overflow Fix Zhao Liu
2025-07-14 8:08 ` [PATCH v2 1/7] i386/cpu: Mark EBX/ECX/EDX in CPUID 0x80000000 leaf as reserved for Intel Zhao Liu
2025-07-14 8:15 ` Xiaoyao Li [this message]
2025-07-14 8:08 ` [PATCH v2 2/7] i386/cpu: Mark CPUID 0x80000008 ECX bits[0:7] & [12:15] as reserved for Intel/Zhaoxin Zhao Liu
2025-07-14 8:27 ` Xiaoyao Li
2025-07-14 9:23 ` Zhao Liu
2025-07-14 8:08 ` [PATCH v2 3/7] i386/cpu: Reorder CPUID leaves in cpu_x86_cpuid() Zhao Liu
2025-07-14 8:08 ` [PATCH v2 4/7] i386/cpu: Fix number of addressable IDs field for CPUID.01H.EBX[23:16] Zhao Liu
2025-07-14 8:29 ` Xiaoyao Li
2025-07-16 15:31 ` Michael Tokarev
2025-07-17 3:06 ` Zhao Liu
2025-07-17 3:25 ` Michael Tokarev
2025-07-17 4:09 ` Zhao Liu
2025-07-14 8:08 ` [PATCH v2 5/7] i386/cpu: Fix cpu number overflow in CPUID.01H.EBX[23:16] Zhao Liu
2025-07-14 8:08 ` [PATCH v2 6/7] i386/cpu: Fix overflow of cache topology fields in CPUID.04H Zhao Liu
2025-07-14 8:08 ` [PATCH v2 7/7] i386/cpu: Honor maximum value for CPUID.8000001DH.EAX[25:14] Zhao Liu
2025-07-14 14:51 ` Moger, Babu
2025-07-14 15:41 ` Zhao Liu
2025-07-14 15:25 ` Moger, Babu
2025-07-14 8:25 ` [PATCH v2 0/7] i386/cpu: Clean Up Reserved CPUID Leaves & Topology Overflow Fix Paolo Bonzini
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