linux-kernel - Re: [PATCH v2 04/20] unify generic instances of csum_partial_copy

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Message-ID: <20200724123040.GM2786714@ZenIV.linux.org.uk>
Date:   Fri, 24 Jul 2020 13:30:40 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH v2 04/20] unify generic instances of
 csum_partial_copy_nocheck()

On Fri, Jul 24, 2020 at 01:23:37PM +0100, Christoph Hellwig wrote:
> On Fri, Jul 24, 2020 at 01:19:18PM +0100, Al Viro wrote:
> > > net-next has a patch from me killing off csum_and_copy_from_user
> > > already:
> > > 
> > > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=f1bfd71c8662f20d53e71ef4e18bfb0e5677c27f
> > 
> > Nothing in that patch of yours touches csum_and_copy_from_user(). what
> > are you talking about?
> 
> Sorry, I meant csum_and_copy_from_nocheck, just as in this patch.
> 
> Merging your branch into the net-next tree thus will conflict in
> the nios2 and asm-geneeric/checksum.h as well as lib/checksum.c.

Noted, but that asm-generic/checksum.h conflict will be "massage
in net-next/outright removal in this branch"; the same goes for
lib/checksum.c and nios2.  It's c6x that is unpleasant in that respect...