linux-kernel - Re: [PATCH v16 48/51] KVM: selftests: Add KVM_{G,S}ET_ONE

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: <aNJDlIgBus9ksYE7@intel.com>
Date: Tue, 23 Sep 2025 14:52:04 +0800
From: Chao Gao <chao.gao@...el.com>
To: Sean Christopherson <seanjc@...gle.com>
CC: Paolo Bonzini <pbonzini@...hat.com>, <kvm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Tom Lendacky <thomas.lendacky@....com>,
	Mathias Krause <minipli@...ecurity.net>, John Allen <john.allen@....com>,
	Rick Edgecombe <rick.p.edgecombe@...el.com>, Binbin Wu
	<binbin.wu@...ux.intel.com>, Xiaoyao Li <xiaoyao.li@...el.com>, "Maxim
 Levitsky" <mlevitsk@...hat.com>, Zhang Yi Z <yi.z.zhang@...ux.intel.com>,
	"Xin Li" <xin@...or.com>
Subject: Re: [PATCH v16 48/51] KVM: selftests: Add KVM_{G,S}ET_ONE_REG
 coverage to MSRs test

On Fri, Sep 19, 2025 at 03:32:55PM -0700, Sean Christopherson wrote:
>When KVM_{G,S}ET_ONE_REG are supported, verify that MSRs can be accessed
>via ONE_REG and through the dedicated MSR ioctls.  For simplicity, run
>the test twice, e.g. instead of trying to get MSR values into the exact
>right state when switching write methods.
>
>Signed-off-by: Sean Christopherson <seanjc@...gle.com>

Reviewed-by: Chao Gao <chao.gao@...el.com>