linux-kernel - Re: [PATCH v3 0/2] Add a seqcount between gup_fast and copy_page

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Message-ID: <20201106185250.GA90682@lx-t490>
Date:   Fri, 6 Nov 2020 19:52:50 +0100
From:   "Ahmed S. Darwish" <a.darwish@...utronix.de>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     linux-kernel@...r.kernel.org, Peter Xu <peterx@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Christoph Hellwig <hch@....de>,
        Hugh Dickins <hughd@...gle.com>, Jan Kara <jack@...e.cz>,
        Jann Horn <jannh@...gle.com>,
        John Hubbard <jhubbard@...dia.com>,
        Kirill Shutemov <kirill@...temov.name>,
        Kirill Tkhai <ktkhai@...tuozzo.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Linux-MM <linux-mm@...ck.org>, Michal Hocko <mhocko@...e.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Konstantin Ryabitsev <konstantin@...uxfoundation.org>,
        "Sebastian A. Siewior" <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v3 0/2] Add a seqcount between gup_fast and
 copy_page_range()

On Fri, Nov 06, 2020 at 11:55:12AM -0400, Jason Gunthorpe wrote:
...
>
>  arch/x86/kernel/tboot.c    |   1 +
>  drivers/firmware/efi/efi.c |   1 +
>  include/linux/mm_types.h   |   8 +++
>  kernel/fork.c              |   1 +
>  mm/gup.c                   | 118 +++++++++++++++++++++++--------------
>  mm/init-mm.c               |   1 +
>  mm/memory.c                |  13 +++-
>  7 files changed, 97 insertions(+), 46 deletions(-)
>

Nitpick: Please also use the "--base" option of git format-patch. This
will produce a nice "base-commit: " tag behind the diffstat.

Konstantin's amazing "b4" tool gets much happier with that ;-)

All the best,

--
Ahmed S. Darwish
Linutronix GmbH