linux-kernel - Re: [PATCH 2/3] x86: irq_enable_sysexit pv op is no longer needed

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Message-ID: <564CE0D8.1030004@oracle.com>
Date:	Wed, 18 Nov 2015 15:34:32 -0500
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	david.vrabel@...rix.com, luto@...nel.org, bp@...e.de,
	linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 2/3] x86: irq_enable_sysexit pv op is no longer needed

On 11/18/2015 03:11 PM, Konrad Rzeszutek Wilk wrote:
> On Wed, Nov 18, 2015 at 03:06:18PM -0500, Boris Ostrovsky wrote:
>> Xen PV guests have been the only ones using it and now they don't.
> Could you elaborate on the 'now they don't' please?
>
> Is Xen not doing it? Did it do it in the past?
>
> Is it because the Linux code paths will never run to this in Xen PV mode?
> Is that due to other patches? If so please mention the name
> of the other patches.. (so if somebody is thinking to put the
> other patches on the stable train they should also take these ones).

Since this is due to the first patch in the series I don't know its 
commitID. Should I just refer to patch title?

-boris
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