linux-kernel - Re: [REGRESSION][BISECTED] Some applications under Windows 11 libvirt VM crash since commit 408eb7417a92c5354c7be34f7425b305dfe30ad9

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Message-ID: <e5f56fd2-b2e2-48c1-bb3d-e00b61807893@intel.com>
Date: Wed, 5 Mar 2025 15:51:22 -0800
From: Dave Hansen <dave.hansen@...el.com>
To: Miguel Ruiz <miguelies.ruiz@...il.com>, ravi.bangoria@....com,
 tglx@...utronix.de, thomas.lendacky@....com
Cc: mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
 x86@...nel.org, hpa@...or.com, xin@...or.com, tony.luck@...el.com,
 pawan.kumar.gupta@...ux.intel.com, andriy.shevchenko@...ux.intel.com,
 jgross@...e.com, linux-kernel@...r.kernel.org, regressions@...ts.linux.dev,
 christian@...sel.eu, Paolo Bonzini <pbonzini@...hat.com>,
 Sean Christopherson <seanjc@...gle.com>
Subject: Re: [REGRESSION][BISECTED] Some applications under Windows 11 libvirt
 VM crash since commit 408eb7417a92c5354c7be34f7425b305dfe30ad9

On 3/5/25 15:42, Dave Hansen wrote:
> I'm also cc'ing the KVM folks. I don't actually know how the #GP from
> the split lock detection will manifest to KVM guests. I'm kinda
> surprised it crashes the guest app and doesn't do anything more noisy.

I've got my wires crossed somewhere. It's not a #GP, it's an #AC.