linux-kernel - Re: switch the remaining architectures to use generic GUP v3

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Message-ID: <20190621144351.GR19891@ziepe.ca>
Date:   Fri, 21 Jun 2019 11:43:51 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Christoph Hellwig <hch@....de>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        "David S. Miller" <davem@...emloft.net>,
        Nicholas Piggin <npiggin@...il.com>,
        Khalid Aziz <khalid.aziz@...cle.com>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-mips@...r.kernel.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-mm@...ck.org, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: switch the remaining architectures to use generic GUP v3

On Tue, Jun 11, 2019 at 04:40:46PM +0200, Christoph Hellwig wrote:
> Hi Linus and maintainers,
> 
> below is a series to switch mips, sh and sparc64 to use the generic
> GUP code so that we only have one codebase to touch for further
> improvements to this code.  I don't have hardware for any of these
> architectures, and generally no clue about their page table
> management, so handle with care.

I like this series, ther are alot of people talking about work for GUP
and this will make any of that so much easier to do.

Jason