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Date: Wed, 26 Oct 2016 07:37:39 -0500 From: Josh Poimboeuf <jpoimboe@...hat.com> To: Arnd Bergmann <arnd@...db.de> Cc: Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 0/2] objtool: a couple of minor fixes On Wed, Oct 26, 2016 at 09:58:29AM +0200, 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. I think this is the same as one of the warnings you reported before (for which I opened the gcc bug): https://lkml.kernel.org/r/1855683.1QnG4Fe4Hq@wuerfel -- Josh
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