Messages in this thread | | | Date | Tue, 11 Apr 2023 14:55:18 -0700 | From | Josh Poimboeuf <> | Subject | Re: linux-next: build warnings after merge of the block tree |
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On Wed, Apr 12, 2023 at 07:34:16AM +1000, Stephen Rothwell wrote: > Hi all, > > On Tue, 28 Mar 2023 10:47:19 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote: > > > > On Mon, 27 Mar 2023 09:26:30 -0700 Josh Poimboeuf <jpoimboe@kernel.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?
I still wasn't able to recreate with gcc version 12.2.1 20221121 (Red Hat 12.2.1-4) (GCC) .
Is it a cross-compile?
Can you share the .o file?
-- Josh
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