linux-kernel - Re: [PATCH v2 0/2] x86/cpu: fix invalid MTRR mask values for SEV or TME

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Message-ID: <97b66d4d-f520-46c9-8164-ce5b2e4d5642@intel.com>
Date: Tue, 27 Feb 2024 05:30:13 -0800
From: Dave Hansen <dave.hansen@...el.com>
To: Yin Fengwei <fengwei.yin@...el.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
 Zixi Chen <zixchen@...hat.com>, Adam Dunlap <acdunlap@...gle.com>,
 "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
 Xiaoyao Li <xiaoyao.li@...el.com>, Kai Huang <kai.huang@...el.com>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>,
 x86@...nel.org, stable@...r.kernel.org
Subject: Re: [PATCH v2 0/2] x86/cpu: fix invalid MTRR mask values for SEV or
 TME

On 2/26/24 22:08, Yin Fengwei wrote:
>>> https://lore.kernel.org/all/20240222183926.517AFCD2@davehans-spike.ostc.intel.com/
>> If it _also_ fixes the problem, it'll be a strong indication that it's
>> the right long-term approach.
> I tried your patchset on a Sapphire machine which is the only one broken machine
> I can access today. The base commit is 45ec2f5f6ed3 from the latest linus tree.
> 
> Without your patchset, the system boot hang.
> With your patchset, the system boot successfully.

Yay!  Thanks for testing.