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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 09:58:29 +0200	[thread overview]
Message-ID: <3971280.DNU2zoGODW@wuerfel> (raw)
In-Reply-To: <cover.1476393584.git.jpoimboe@redhat.com>

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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.

	Arnd

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  parent reply	other threads:[~2016-10-26  7:58 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 ` Arnd Bergmann [this message]
2016-10-26  9:16   ` [PATCH 0/2] objtool: a couple of minor fixes Arnd Bergmann
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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