Messages in this thread | | | Date | Tue, 26 Oct 2021 10:23:30 +0200 | From | Borislav Petkov <> | Subject | Re: vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to memset() leaves .noinstr.text section |
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Hi,
On Tue, Oct 26, 2021 at 04:16:21PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 3906fe9bb7f1a2c8667ae54e967dc8690824f4ea > commit: 7bb39313cd6239e7eb95198950a02b4ad2a08316 x86/mce: Make mce_timed_out() identify holdout CPUs > date: 10 months ago > config: x86_64-buildonly-randconfig-r006-20211022 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bb39313cd6239e7eb95198950a02b4ad2a08316 > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 7bb39313cd6239e7eb95198950a02b4ad2a08316 > # save the attached .config to linux build tree > mkdir build_dir > make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@intel.com> > > All warnings (new ones prefixed by >>): > >>> vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to memset() leaves .noinstr.text section
if you have the technical capability to ignore all noinstr warnings coming from the mce code, please do so.
I have a patchset to address that but more important work preempts me constantly from cleaning it up and sending it out properly. ;-\
-- Regards/Gruss, Boris.
SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg
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