From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Lobakin Date: Wed, 22 Jun 2022 12:24:40 +0000 Subject: Re: [PATCH v4 0/8] bitops: let optimize out non-atomic bitops on compile-time constants Message-Id: <20220622122440.87087-1-alexandr.lobakin@intel.com> List-Id: References: <20220621191553.69455-1-alexandr.lobakin@intel.com> In-Reply-To: <20220621191553.69455-1-alexandr.lobakin@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Arnd Bergmann , Yury Norov Cc: Alexander Lobakin , Andy Shevchenko , Mark Rutland , Matt Turner , Brian Cain , Geert Uytterhoeven , Yoshinori Sato , Rich Felker , "David S. Miller" , Kees Cook , "Peter Zijlstra (Intel)" , Marco Elver , Borislav Petkov , Tony Luck , Maciej Fijalkowski , Jesse Brandeburg , Greg Kroah-Hartman , linux-alpha@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org From: Alexander Lobakin 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). > -- > 2.36.1 Thanks, Olek