Bug 26824 - [devel-6.6] KVM: x86: allow CPUID 0xC000_0000 to proceed on Zhaoxin CPUs
Summary: [devel-6.6] KVM: x86: allow CPUID 0xC000_0000 to proceed on Zhaoxin CPUs
Status: NEW
Alias: None
Product: ANCK 6.6 Dev
Classification: ANCK
Component: X86 (show other bugs) X86
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Guanjun
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-10-30 10:50 UTC by LeoLiu-oc
Modified: 2025-10-30 10:53 UTC (History)
3 users (show)

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Description LeoLiu-oc zhaoxin_group 2025-10-30 10:50:56 UTC 
https://github.com/torvalds/linux/commit/1f0654dc75b8b4945988f802e4e532ff722ecce7

Bypass the Centaur-only filter for the CPUID signature leaf so that
processing continues when the CPU vendor is Zhaoxin.

Signed-off-by: Ewan Hai <ewanhai-oc@zhaoxin.com>
Link: https://lore.kernel.org/r/20250818083034.93935-1-ewanhai-oc@zhaoxin.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Comment 1 小龙 admin 2025-10-30 10:53:19 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/5941