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Date: Tue, 14 Jul 2020 21:41:29 -0700
From: Sean Christopherson <sean.j.christopherson@...el.com>
To: "Andersen, John" <john.s.andersen@...el.com>
Cc: Andy Lutomirski <luto@...nel.org>,
Arvind Sankar <nivedita@...m.mit.edu>,
Dave Hansen <dave.hansen@...el.com>,
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"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
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Kernel Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH 2/4] KVM: x86: Introduce paravirt feature CR0/CR4 pinning
On Tue, Jul 14, 2020 at 05:39:30AM +0000, Andersen, John wrote:
> With regards to FSGSBASE, are we open to validating and adding that to the
> DEFAULT set as a part of a separate patchset? This patchset is focused on
> replicating the functionality we already have natively.
Kees added FSGSBASE pinning in commit a13b9d0b97211 ("x86/cpu: Use pinning
mask for CR4 bits needing to be 0"), so I believe it's a done deal already.
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