linux-kernel - Re: [PATCH] x86/mm/cpa: Flush direct map alias during cpa

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Message-ID: <f1c60f169231ecf65facb9b6c1af96ef75a0eb78.camel@intel.com>
Date:   Thu, 23 Apr 2020 19:02:26 +0000
From:   "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To:     "peterz@...radead.org" <peterz@...radead.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "luto@...nel.org" <luto@...nel.org>, "bp@...en8.de" <bp@...en8.de>
Subject: Re: [PATCH] x86/mm/cpa: Flush direct map alias during cpa

On Thu, 2020-04-23 at 10:41 +0200, Peter Zijlstra wrote:
> Wouldn't something like so make more sense?

Yes. Dave had commented on whether a smaller fix would be better for
backports if needed. Since that diff is the whole fix, do you want to
take it from here or should I put it in a patch?