Re: gcc-8 objtool warnings

2017-09-21 Thread Arnd Bergmann
On Tue, Sep 19, 2017 at 11:39 PM, Josh Poimboeuf wrote: > On Tue, Sep 19, 2017 at 10:43:31PM +0200, Arnd Bergmann wrote: > - > From: Josh Poimboeuf > Subject: [PATCH] objtool: Support unoptimized frame pointer setup > > Arnd Bergmann reported a bunch of warnings like: > > crypto/jitterentr

Re: gcc-8 objtool warnings

2017-09-19 Thread Josh Poimboeuf
On Tue, Sep 19, 2017 at 10:43:31PM +0200, Arnd Bergmann wrote: > On Tue, Sep 19, 2017 at 9:52 PM, Josh Poimboeuf wrote: > > On Mon, Sep 11, 2017 at 04:34:52PM +0200, Arnd Bergmann wrote: > >> On Thu, Aug 24, 2017 at 9:19 PM, Josh Poimboeuf > >> wrote: > >> 1. one configuration causing tons of wa

Re: gcc-8 objtool warnings

2017-09-19 Thread Arnd Bergmann
On Tue, Sep 19, 2017 at 9:52 PM, Josh Poimboeuf wrote: > On Mon, Sep 11, 2017 at 04:34:52PM +0200, Arnd Bergmann wrote: >> On Thu, Aug 24, 2017 at 9:19 PM, Josh Poimboeuf wrote: >> 1. one configuration causing tons of warnings, on most compiler >> versions (4.9 and newer), and even a couple of

Re: gcc-8 objtool warnings

2017-09-19 Thread Josh Poimboeuf
On Mon, Sep 11, 2017 at 04:34:52PM +0200, Arnd Bergmann wrote: > On Thu, Aug 24, 2017 at 9:19 PM, Josh Poimboeuf wrote: > > On Thu, Aug 24, 2017 at 12:14:27PM +0200, Arnd Bergmann wrote: > >> On Wed, Aug 23, 2017 at 6:01 PM, Josh Poimboeuf > >> wrote: > >> > On Wed, Aug 23, 2017 at 03:38:02PM +0

Re: gcc-8 objtool warnings

2017-09-11 Thread Arnd Bergmann
On Thu, Aug 24, 2017 at 9:19 PM, Josh Poimboeuf wrote: > On Thu, Aug 24, 2017 at 12:14:27PM +0200, Arnd Bergmann wrote: >> On Wed, Aug 23, 2017 at 6:01 PM, Josh Poimboeuf wrote: >> > On Wed, Aug 23, 2017 at 03:38:02PM +0200, Arnd Bergmann wrote: >> >> On Wed, Aug 23, 2017 at 2:48 PM, Josh Poimboe

Re: gcc-8 objtool warnings

2017-08-24 Thread Josh Poimboeuf
On Thu, Aug 24, 2017 at 12:14:27PM +0200, Arnd Bergmann wrote: > On Wed, Aug 23, 2017 at 6:01 PM, Josh Poimboeuf wrote: > > On Wed, Aug 23, 2017 at 03:38:02PM +0200, Arnd Bergmann wrote: > >> On Wed, Aug 23, 2017 at 2:48 PM, Josh Poimboeuf > >> wrote: > >> > On Wed, Aug 23, 2017 at 02:22:34PM +0

Re: gcc-8 objtool warnings

2017-08-24 Thread Arnd Bergmann
On Wed, Aug 23, 2017 at 6:01 PM, Josh Poimboeuf wrote: > On Wed, Aug 23, 2017 at 03:38:02PM +0200, Arnd Bergmann wrote: >> On Wed, Aug 23, 2017 at 2:48 PM, Josh Poimboeuf wrote: >> > On Wed, Aug 23, 2017 at 02:22:34PM +0200, Arnd Bergmann wrote: >> >> ... >> >> >> >> : >> >>0

Re: gcc-8 objtool warnings

2017-08-23 Thread Josh Poimboeuf
On Wed, Aug 23, 2017 at 03:38:02PM +0200, Arnd Bergmann wrote: > On Wed, Aug 23, 2017 at 2:48 PM, Josh Poimboeuf wrote: > > On Wed, Aug 23, 2017 at 02:22:34PM +0200, Arnd Bergmann wrote: > >> ... > >> > >> : > >>0: e8 00 00 00 00 callq 5 > >>

Re: gcc-8 objtool warnings

2017-08-23 Thread Arnd Bergmann
On Wed, Aug 23, 2017 at 2:48 PM, Josh Poimboeuf wrote: > On Wed, Aug 23, 2017 at 02:22:34PM +0200, Arnd Bergmann wrote: >> ... >> >> : >>0: e8 00 00 00 00 callq 5 >> 1: R_X86_64_PC32__sanitizer_cov_trace_pc-0x4 >>5: 44 8b 8b 6

Re: gcc-8 objtool warnings

2017-08-23 Thread Josh Poimboeuf
On Wed, Aug 23, 2017 at 02:22:34PM +0200, Arnd Bergmann wrote: > Hi Josh, > > I upgraded the compiler to gcc-8.0.0 (from earlier this week) and into one > configuration that produces countless objtool warnings, starting with > > kernel/panic.o: warning: objtool: nmi_panic()+0x31: sibling call fr