linux-kernel - Re: [RFC PATCH v8 03/14] mm, x86: Add support for eXclusive Page Frame Ownership (XPFO)

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Message-ID: <20190214190803.GQ32477@hirez.programming.kicks-ass.net>
Date:   Thu, 14 Feb 2019 20:08:03 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Khalid Aziz <khalid.aziz@...cle.com>
Cc:     juergh@...il.com, jsteckli@...zon.de, tycho@...ho.ws,
        ak@...ux.intel.com, torvalds@...ux-foundation.org,
        liran.alon@...cle.com, keescook@...gle.com,
        akpm@...ux-foundation.org, mhocko@...e.com,
        catalin.marinas@....com, will.deacon@....com, jmorris@...ei.org,
        konrad.wilk@...cle.com,
        Juerg Haefliger <juerg.haefliger@...onical.com>,
        deepa.srinivasan@...cle.com, chris.hyser@...cle.com,
        tyhicks@...onical.com, dwmw@...zon.co.uk,
        andrew.cooper3@...rix.com, jcm@...hat.com,
        boris.ostrovsky@...cle.com, kanth.ghatraju@...cle.com,
        oao.m.martins@...cle.com, jmattson@...gle.com,
        pradeep.vincent@...cle.com, john.haxby@...cle.com,
        tglx@...utronix.de, kirill.shutemov@...ux.intel.com, hch@....de,
        steven.sistare@...cle.com, labbott@...hat.com, luto@...nel.org,
        dave.hansen@...el.com, kernel-hardening@...ts.openwall.com,
        linux-mm@...ck.org, x86@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Tycho Andersen <tycho@...ker.com>,
        Marco Benatto <marco.antonio.780@...il.com>
Subject: Re: [RFC PATCH v8 03/14] mm, x86: Add support for eXclusive Page
 Frame Ownership (XPFO)

On Thu, Feb 14, 2019 at 10:13:54AM -0700, Khalid Aziz wrote:

> Patch 11 ("xpfo, mm: remove dependency on CONFIG_PAGE_EXTENSION") cleans
> all this up. If the original authors of these two patches, Juerg
> Haefliger and Julian Stecklina, are ok with it, I would like to combine
> the two patches in one.

Don't preserve broken patches because of different authorship or
whatever.

If you care you can say things like:

 Based-on-code-from:
 Co-developed-by:
 Originally-from:

or whatever other things there are. But individual patches should be
correct and complete.