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Message-ID: <YrMlrjbue7twWLk1@smile.fi.intel.com>
Date: Wed, 22 Jun 2022 17:22:38 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Alexander Lobakin <alexandr.lobakin@...el.com>
Cc: Arnd Bergmann <arnd@...db.de>, Yury Norov <yury.norov@...il.com>,
Mark Rutland <mark.rutland@....com>,
Matt Turner <mattst88@...il.com>,
Brian Cain <bcain@...cinc.com>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Rich Felker <dalias@...c.org>,
"David S. Miller" <davem@...emloft.net>,
Kees Cook <keescook@...omium.org>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>,
Marco Elver <elver@...gle.com>, Borislav Petkov <bp@...e.de>,
Tony Luck <tony.luck@...el.com>,
Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-alpha@...r.kernel.org, linux-hexagon@...r.kernel.org,
linux-ia64@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/8] bitops: let optimize out non-atomic bitops on
compile-time constants
On Wed, Jun 22, 2022 at 02:24:40PM +0200, Alexander Lobakin wrote:
> From: Alexander Lobakin <alexandr.lobakin@...el.com>
> 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.
--
With Best Regards,
Andy Shevchenko
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