linux-kernel - Re: [RFC PATCH v1 10/15] KVM: VMX: Use WRMSRNS or its immediate form when available

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Message-ID: <B2461564-F050-463D-8679-122724559D07@zytor.com>
Date: Tue, 15 Apr 2025 10:07:01 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Xin Li <xin@...or.com>, Jim Mattson <jmattson@...gle.com>,
        Sean Christopherson <seanjc@...gle.com>
CC: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        linux-hyperv@...r.kernel.org, virtualization@...ts.linux.dev,
        linux-edac@...r.kernel.org, kvm@...r.kernel.org,
        xen-devel@...ts.xenproject.org, linux-ide@...r.kernel.org,
        linux-pm@...r.kernel.org, bpf@...r.kernel.org, llvm@...ts.linux.dev,
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        dave.hansen@...ux.intel.com, x86@...nel.org, jgross@...e.com,
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        decui@...rosoft.com
Subject: Re: [RFC PATCH v1 10/15] KVM: VMX: Use WRMSRNS or its immediate form when available

On April 15, 2025 10:06:01 AM PDT, Xin Li <xin@...or.com> wrote:
>On 4/14/2025 11:56 PM, H. Peter Anvin wrote:
>>> arlier in the pipeline, right?
>> Yes, but then it would be redundant with the virtualization support.
>> 
>
>So better to drop this patch then.

Yeah, if it gets pulled in as a consequence of a global change that is OK but the local change makes no sense.