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X-CSE-ConnectionGUID: Gi9+90SFQoWmqoUcG4FQXA== X-CSE-MsgGUID: aR8Gv5kjS6+0kTOJIi8ytQ== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="45860970" X-IronPort-AV: E=Sophos;i="6.14,224,1736841600"; d="scan'208";a="45860970" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2025 15:51:02 -0800 X-CSE-ConnectionGUID: BaPI34EJRnWpX/koFyvBtQ== X-CSE-MsgGUID: Qes0inn+So6p1MvmsTqVtA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="118755008" Received: from kcaccard-desk.amr.corp.intel.com (HELO [10.125.109.196]) ([10.125.109.196]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2025 15:51:02 -0800 Message-ID: Date: Wed, 5 Mar 2025 15:51:22 -0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION][BISECTED] Some applications under Windows 11 libvirt VM crash since commit 408eb7417a92c5354c7be34f7425b305dfe30ad9 To: Miguel Ruiz , ravi.bangoria@amd.com, tglx@linutronix.de, thomas.lendacky@amd.com Cc: mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, xin@zytor.com, tony.luck@intel.com, pawan.kumar.gupta@linux.intel.com, andriy.shevchenko@linux.intel.com, jgross@suse.com, linux-kernel@vger.kernel.org, regressions@lists.linux.dev, christian@heusel.eu, Paolo Bonzini , Sean Christopherson References: <7a212431-5320-464b-a357-507fa6511586@intel.com> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit 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.