Re: s390 unistd.h & perf

From: Hendrik Brueckner
Date: Mon Feb 05 2018 - 03:17:05 EST


Hi Arnaldo,

On Fri, Feb 02, 2018 at 01:23:22PM -0300, Arnaldo Carvalho de Melo wrote:
>
> I noticed, after fast forwarding my perf/urgent branch to
> torvalds/master, that this appears in my perf build:
>
> Warning: Kernel ABI header at 'tools/arch/s390/include/uapi/asm/unistd.h' differs from latest version at 'arch/s390/include/uapi/asm/unistd.h'
>
> Looking at the log for that file I noticed this cset:
>
> 4381f9f12e79 ("s390/syscalls: use generated syscall_table.h and unistd.h header files")
>
> Can you please take a look how this affects the syscall table
> generation process in tools/perf and how can we proceed to silence that
> warning, i.e. to update the copy we have in tools/?

I reworked the our system call table a bit to also have a text file containing
the system calls. For this, I also have an update for perf. Will post these
patches by end of this week.

Thanks and kind regards,
Hendrik