linux-kernel - Re: [PATCH v6 08/13] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter

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Message-ID: <CAHk-=wgW5z-OBA8kbOOoM7dAriOsb1j7n6GaUNjGeg9fPY=JRw@mail.gmail.com>
Date:   Fri, 22 Sep 2023 09:34:49 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Jens Axboe <axboe@...nel.dk>, Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@....de>,
        Christian Brauner <christian@...uner.io>,
        David Laight <David.Laight@...lab.com>,
        Matthew Wilcox <willy@...radead.org>,
        Jeff Layton <jlayton@...nel.org>,
        linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-mm@...ck.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 08/13] iov_iter: Don't deal with iter->copy_mc in memcpy_from_iter_mc()

On Fri, 22 Sept 2023 at 05:02, David Howells <dhowells@...hat.com> wrote:
>
> iter->copy_mc is only used with a bvec iterator and only by
> dump_emit_page() in fs/coredump.c so rather than handle this in
> memcpy_from_iter_mc() where it is checked repeatedly by _copy_from_iter()
> and copy_page_from_iter_atomic(),

This looks fine now, but is missing your sign-off...

             Linus