linux-kernel - Re: [PATCH v2] KVM: x86: Prevent exposing TSC deadline timer feature in the absence of in-kernel APIC

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Message-ID: <CAB9v_DFheyv6rnTSk90=v-Gnc-zVy7d_8mPab4wXCAnEp0VL+A@mail.gmail.com>
Date:	Wed, 21 Dec 2011 12:41:50 +0200
From:	Alexey Zaytsev <alexey.zaytsev@...il.com>
To:	Jan Kiszka <jan.kiszka@...mens.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Liu, Jinsong" <jinsong.liu@...el.com>,
	Avi Kivity <avi@...hat.com>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	"Garrett D'Amore" <garrett@...enta.com>, kvm <kvm@...r.kernel.org>
Subject: Re: [PATCH v2] KVM: x86: Prevent exposing TSC deadline timer feature
 in the absence of in-kernel APIC

On Wed, Dec 21, 2011 at 12:25, Jan Kiszka <jan.kiszka@...mens.com> wrote:
> We must not report the TSC deadline timer feature on our own when user
> space provides the APIC as we have no clue about its features.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
> ---
>
> Changes in v2:
>  - reorganized code to make the flow clearer

I've seen Avi's comment below, but just for the note, it works fine
when applied to arch/x86/kvm/x86.c.
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