{Filename?} Re: [PATCH 0/2] objtool: a couple of minor fixes

From: Arnd Bergmann
Date: Wed Oct 26 2016 - 03:58:49 EST


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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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