linux-kernel - Re: [PATCH v3 6/6] KVM: TDX: Always honor guest PAT on TDX enabled guests

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Z8e7kJgfgDRZFFk4@yzhao56-desk.sh.intel.com>
Date: Wed, 5 Mar 2025 10:48:48 +0800
From: Yan Zhao <yan.y.zhao@...el.com>
To: Paolo Bonzini <pbonzini@...hat.com>
CC: <linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>,
	<xiaoyao.li@...el.com>, <seanjc@...gle.com>
Subject: Re: [PATCH v3 6/6] KVM: TDX: Always honor guest PAT on TDX enabled
 guests

On Tue, Mar 04, 2025 at 01:06:47AM -0500, Paolo Bonzini wrote:
> From: Yan Zhao <yan.y.zhao@...el.com>
> 
> Always honor guest PAT in KVM-managed EPTs on TDX enabled guests by
> making self-snoop feature a hard dependency for TDX and making quirk
> KVM_X86_QUIRK_EPT_IGNORE_GUEST_PAT not a valid quirk once TDX is enabled.
> The quirk KVM_X86_QUIRK_EPT_IGNORE_GUEST_PAT only affects memory type of
Two left-overs :)

s/KVM_X86_QUIRK_EPT_IGNORE_GUEST_PAT/KVM_X86_QUIRK_IGNORE_GUEST_PAT