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Message-ID: <20230412073416.73a8ea1a@canb.auug.org.au>
Date: Wed, 12 Apr 2023 07:34:16 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Jens Axboe <axboe@...nel.dk>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warnings after merge of the block tree
Hi all,
On Tue, 28 Mar 2023 10:47:19 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Mon, 27 Mar 2023 09:26:30 -0700 Josh Poimboeuf <jpoimboe@...nel.org> wrote:
> >
> > On Mon, Mar 27, 2023 at 12:00:17PM +1100, Stephen Rothwell wrote:
> > >
> > > After merging the block tree, today's linux-next build (x86_64
> > > allnoconfig) produced these warnings:
> > >
> > > lib/iov_iter.o: warning: objtool: .altinstr_replacement+0x0: redundant UACCESS d
> > > isable
> > > lib/iov_iter.o: warning: objtool: iovec_from_user.part.0+0xc7: call to copy_comp
> > > at_iovec_from_user.part.0() with UACCESS enabled
> > > lib/iov_iter.o: warning: objtool: __import_iovec+0x21d: call to copy_compat_iovec_from_user.part.0() with UACCESS enabled
> > >
> > > Presumably introduced by commit
> > >
> > > 6376ce56feb6 ("iov_iter: import single vector iovecs as ITER_UBUF")
> >
> > I'm not able to recreate. What's your compiler version?
>
> $ x86_64-linux-gnu-gcc --version
> x86_64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0
Any progress?
--
Cheers,
Stephen Rothwell
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