From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH] x86,kvm,vmx: Don't trap writes to CR4.TSD
Date: Wed, 22 Oct 2014 21:52:16 +0200
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References: <47a9cf4ebc3fde90fab06d54f32a225db9f0271c.1412727302.git.luto@amacapital.net> <CALCETrXeOh9K4Rkk1jFv_4=VryXm8qfd12MAHFm6yhuOBXoY-g@mail.gmail.com>
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Cc: kvm list <kvm@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>
To: Andy Lutomirski <luto@amacapital.net>,
	Gleb Natapov <gleb@kernel.org>
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On 10/22/2014 09:10 PM, Andy Lutomirski wrote:
> On Tue, Oct 7, 2014 at 5:16 PM, Andy Lutomirski <luto@amacapital.net> wrote:
>> CR4.TSD is guest-owned; don't trap writes to it in VMX guests.  This
>> avoids a VM exit on context switches into or out of a PR_TSC_SIGSEGV
>> task.
> 
> Friendly ping.  I suspect this got lost in KVM Forum, etc.

Yup, will push tomorrow.

Paolo