From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 280D0C433EF for ; Wed, 22 Jun 2022 14:22:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357478AbiFVOWv (ORCPT ); Wed, 22 Jun 2022 10:22:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353396AbiFVOWu (ORCPT ); Wed, 22 Jun 2022 10:22:50 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABABA13D2A; Wed, 22 Jun 2022 07:22:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655907769; x=1687443769; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=FIomGT1BU8L+wKYhsbRgrEVpUz0TNAc9c/kXUa0n8fY=; b=hA3I3SAh3kYWGHf6tmliGGc4nVZH3XUQrGMS8LOQWSKJAp8e6kkMXaPR aSNgiNdOZ6yiYGvC8cTcEyDKZu1EmhB1EJF0NfjXCuL/PQF0/C2YnwGJ7 XfY2GbrIvWq4o6eCxYzdfZtfqt6m7dCPPjNiEfU97hv8SoJ4sM/ZDrqc9 x2JCGeNVSqj81dGj+2yEck+rabqiFsdvPy4gGlB/1O3O1mc+AYdrj2yHo gODyIdlCYCWo2C5FROq4Q1+JX5aYVGot3NDV0ZKA6gLhxlySL/yf5uMQY lq3Rhyl3xh/K6Hg9F/ZOTHBmjeGYSSFlqMED7kAhqd3OpeVrlTXNJbWlV g==; X-IronPort-AV: E=McAfee;i="6400,9594,10385"; a="366750900" X-IronPort-AV: E=Sophos;i="5.92,212,1650956400"; d="scan'208";a="366750900" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2022 07:22:49 -0700 X-IronPort-AV: E=Sophos;i="5.92,212,1650956400"; d="scan'208";a="690523078" Received: from smile.fi.intel.com ([10.237.72.54]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2022 07:22:43 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1o41Ff-000sND-3c; Wed, 22 Jun 2022 17:22:39 +0300 Date: Wed, 22 Jun 2022 17:22:38 +0300 From: Andy Shevchenko To: Alexander Lobakin Cc: Arnd Bergmann , Yury Norov , 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 Subject: Re: [PATCH v4 0/8] bitops: let optimize out non-atomic bitops on compile-time constants Message-ID: References: <20220621191553.69455-1-alexandr.lobakin@intel.com> <20220622122440.87087-1-alexandr.lobakin@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220622122440.87087-1-alexandr.lobakin@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Wed, Jun 22, 2022 at 02:24:40PM +0200, Alexander Lobakin wrote: > 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). One mail per person? Because I also got a report. -- With Best Regards, Andy Shevchenko