From: Arnd Bergmann <arnd@arndb.de>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] objtool: a couple of minor fixes
Date: Wed, 26 Oct 2016 11:16:30 +0200 [thread overview]
Message-ID: <3931713.dYrUncsTll@wuerfel> (raw)
In-Reply-To: <3971280.DNU2zoGODW@wuerfel>
On Wednesday, October 26, 2016 9:58:29 AM CEST Arnd Bergmann wrote:
> On Thursday, October 13, 2016 4:22:51 PM CEST Josh Poimboeuf wrote:
> > Fix a couple of issues:
> >
> > - fix a false positive warning related to switch statement jump tables
> > - get rid of useless "unreachable instruction" warnings for gcov kernels
> >
> > Josh Poimboeuf (2):
> > objtool: improve rare switch jump table pattern detection
> > objtool: skip all "unreachable instruction" warnings for gcov kernels
> >
> > tools/objtool/builtin-check.c | 68 ++++++++++++++++++++++---------------------
> > 1 file changed, 35 insertions(+), 33 deletions(-)
>
> I got another warning today with linux-next, but have not looked into it:
>
> drivers/infiniband/sw/rxe/rxe_comp.o: warning: objtool: rxe_completer()+0x315: sibling call from callable instruction with changed frame pointer
>
> .config and object file attached.
And another one, let me know if you want detailed information about
this one too, I suspect they are related.
drivers/media/usb/ttusb-dec/ttusb_dec.o: warning: objtool: ttusb_dec_process_urb_frame_list()+0x112: sibling call from callable instruction with changed frame pointer
Arnd
next prev parent reply other threads:[~2016-10-26 9:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 21:22 Josh Poimboeuf
2016-10-13 21:22 ` [PATCH 1/2] objtool: improve rare switch jump table pattern detection Josh Poimboeuf
2016-10-16 11:18 ` [tip:core/urgent] objtool: Improve " tip-bot for Josh Poimboeuf
2016-10-13 21:22 ` [PATCH 2/2] objtool: skip all "unreachable instruction" warnings for gcov kernels Josh Poimboeuf
2016-10-16 11:18 ` [tip:core/urgent] objtool: Skip " tip-bot for Josh Poimboeuf
2016-10-26 7:58 ` [PATCH 0/2] objtool: a couple of minor fixes Arnd Bergmann
2016-10-26 9:16 ` Arnd Bergmann [this message]
2016-10-26 12:37 ` Josh Poimboeuf
2016-10-26 12:43 ` Josh Poimboeuf
2016-10-26 13:18 ` Josh Poimboeuf
2016-10-26 15:34 ` [PATCH] objtool: fix rare switch jump table pattern detection Josh Poimboeuf
2016-10-26 16:03 ` Arnd Bergmann
2016-10-26 16:45 ` Josh Poimboeuf
2016-10-27 7:37 ` [tip:core/urgent] objtool: Fix " tip-bot for Josh Poimboeuf
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