Re: [PATCH v4 0/8] bitops: let optimize out non-atomic bitops on compile-time constants
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- To: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
- Subject: Re: [PATCH v4 0/8] bitops: let optimize out non-atomic bitops on compile-time constants
- From: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>
- Date: Wed, 22 Jun 2022 16:37:39 +0200
- Cc: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Yury Norov <yury.norov@xxxxxxxxx>, "Mark Rutland" <mark.rutland@xxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, Brian Cain <bcain@xxxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, "Yoshinori Sato" <ysato@xxxxxxxxxxxxx>, Rich Felker <dalias@xxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, "Peter Zijlstra (Intel)" <peterz@xxxxxxxxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, "Maciej Fijalkowski" <maciej.fijalkowski@xxxxxxxxx>, Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, linux-alpha@xxxxxxxxxxxxxxx, linux-hexagon@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, llvm@xxxxxxxxxxxxxxx
- In-reply-to: <YrMlrjbue7twWLk1@smile.fi.intel.com>
- References: <20220621191553.69455-1-alexandr.lobakin@intel.com> <20220622122440.87087-1-alexandr.lobakin@intel.com> <YrMlrjbue7twWLk1@smile.fi.intel.com>
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Wed, 22 Jun 2022 17:22:38 +0300
> On Wed, Jun 22, 2022 at 02:24:40PM +0200, Alexander Lobakin wrote:
> > From: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>
> > Date: Tue, 21 Jun 2022 21:15:45 +0200
> >
> > > While I was working on converting some structure fields from a fixed
> > > type to a bitmap, I started observing code size increase not only in
> > > places where the code works with the converted structure fields, but
> > > also where the converted vars were on the stack. That said, the
> > > following code:
> >
> > [...]
> >
> > Oh gosh, now s390 failed and 7/8 revealed one existing code flaw in
> > the ice driver.
> > I'll fix those, then will try to test more platforms (to not spam
> > series again) and send v5 soon (mentioning this as bots CCs only
> > myself).
>
> One mail per person? Because I also got a report.
>From the headers:
From: kernel test robot <lkp@xxxxxxxxx>
To: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>
Cc: <llvm@xxxxxxxxxxxxxxx>,
<kbuild-all@xxxxxxxxxxxx>,
<linux-kernel@xxxxxxxxxxxxxxx>,
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
I guess it's due to your Reviewed-by in the commit message, no one
else from the original CCs list is present.
>
> --
> With Best Regards,
> Andy Shevchenko
Thanks,
Olek
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