linux-kernel - Re: [PATCH] x86/retpoline: Avoid return buffer underflows on context switch

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Message-ID: <20180108225417.l5fkghho4ira2f6u@two.firstfloor.org>
Date:   Mon, 8 Jan 2018 14:54:17 -0800
From:   Andi Kleen <andi@...stfloor.org>
To:     David Woodhouse <dwmw2@...radead.org>
Cc:     Andi Kleen <andi@...stfloor.org>, pjt@...gle.com,
        linux-kernel@...r.kernel.org, gregkh@...ux-foundation.org,
        tim.c.chen@...ux.intel.com, dave.hansen@...el.com,
        tglx@...utronix.de, luto@...capital.net,
        Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] x86/retpoline: Avoid return buffer underflows on context
 switch

> We want this on vmexit too, right? 

Yes. KVM patches are done separately.

-Andi