Re: [PATCH bpf-next v1 6/6] selftests/bpf: Add tests for kfunc register offset checks

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On Thu, Mar 03, 2022 at 04:17:25AM IST, Alexei Starovoitov wrote:
> On Tue, Mar 1, 2022 at 3:57 AM Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx> wrote:
> >
> > On Tue, Mar 01, 2022 at 05:10:31PM IST, kernel test robot wrote:
> > > Hi Kumar,
> > >
> > > Thank you for the patch! Perhaps something to improve:
> > >
> > > [auto build test WARNING on bpf-next/master]
> > >
> > > url:    https://github.com/0day-ci/linux/commits/Kumar-Kartikeya-Dwivedi/Fixes-for-bad-PTR_TO_BTF_ID-offset/20220301-150010
> > > base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
> > > config: s390-randconfig-r021-20220301 (https://download.01.org/0day-ci/archive/20220301/202203011937.wMLpkfU3-lkp@xxxxxxxxx/config)
> > > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
> >
> > The same warning is emitted on clang for all existing definitions, so I can
> > respin with a fix for the warning like we do for GCC, otherwise it can also
> > be a follow up patch.
>
> Separate patch is fine.
> How do you plan on fixing it?
> What is __diag_ignore equivalent for clang?

Hmm, looks like I'll have to add those in include/linux/compiler-clang.h. Quick
local testing suggests it will work with _Pragma("clang diagnostic ignored ...").

--
Kartikeya



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