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

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Message-Id: <20190525133203.25853-1-hch@lst.de>
Date:   Sat, 25 May 2019 15:31:57 +0200
From:   Christoph Hellwig <hch@....de>
To:     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>
Cc:     Nicholas Piggin <npiggin@...il.com>, linux-mips@...r.kernel.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: RFC: switch the remaining architectures to use generic GUP

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.  But it at least survives a
basic defconfig compile test..