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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF96FC87FCF for ; Wed, 13 Aug 2025 13:52:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7D738900081; Wed, 13 Aug 2025 09:52:52 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7AF1E900044; Wed, 13 Aug 2025 09:52:52 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 704A5900081; Wed, 13 Aug 2025 09:52:52 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 5BC52900044 for ; Wed, 13 Aug 2025 09:52:52 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 26AAB11707A for ; Wed, 13 Aug 2025 13:52:52 +0000 (UTC) X-FDA: 83771874984.04.B868ED4 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by imf28.hostedemail.com (Postfix) with ESMTP id D6B7BC000B for ; Wed, 13 Aug 2025 13:52:49 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=noa04R6s; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf28.hostedemail.com: domain of andriy.shevchenko@intel.com designates 198.175.65.21 as permitted sender) smtp.mailfrom=andriy.shevchenko@intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1755093170; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Y2w842LG5sLyuoBlj94BJsB1aS1vUFuldvzv1lxd1M0=; b=bqk4dwSMp6Tj0L//C7X8W8UBAS0UIPJIgu7t6zsRmnybk3AqAbeiLE5RTeBYN/PMP/Z77W T2xFNHn6KxXoz5mtHRVL8hTlbZwBsySqD1kGpjwVmK62W7t7h9Zfjmx7fydvEPGxpAR4/p HT6fiystf1lG8rQXMk4BfSNd59OGQNI= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=noa04R6s; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf28.hostedemail.com: domain of andriy.shevchenko@intel.com designates 198.175.65.21 as permitted sender) smtp.mailfrom=andriy.shevchenko@intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1755093170; a=rsa-sha256; cv=none; b=CrtdFTHJLJAUCE09kZdRg2bT869APFLpSxuysO2EMyuWFetOtCKYtuK/6zTkwMXG8k0Ujj VexrIcphUGt/E+yUybnaCjkyVXrMqPfW9RISfoJDmISSC8PfUwwUDmBSGITWO+mx842hTs W/rCz7k3DsegVTQmTB0D9TwIu44R4Fo= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1755093171; x=1786629171; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=yRzIBpcwo03V92Cu9B8zeqXJTartIC1MviVhaIBxQdM=; b=noa04R6stwUnIleEcNPZqRxi5c/JY1m6esPhnp1fkq+p2Fj6BknOaCdI vhGvcxgjkOoSV2/hZFv/haRhT7iYXZCHKnT9GqCWAfVzPpsTfP/cXnk19 6RTt4O8jwo053OGTUYdI/oWQEyf0vFzik7GS60k7zQn5tGISES4jJ30DC TlJyTgebaDwSu6RJqacevrNXqJpnOOzDCgZzOUOZ0V4526BBesCtRJiie d/K2LFQjy5aQHgFPq5ariSZh3w8fezrPe/czxM65J69x4+Ok++BYQsk9G VUxJ8S/VYAGBKfCCu24/0qSvT8OttoeNFRFIf+MSWciE0OpD0kueb6y9p A==; X-CSE-ConnectionGUID: zh4smm5SR1KeTCYKuHiGKg== X-CSE-MsgGUID: xgV18VNhTdmUTslW2xfgTw== X-IronPort-AV: E=McAfee;i="6800,10657,11520"; a="57289143" X-IronPort-AV: E=Sophos;i="6.17,285,1747724400"; d="scan'208";a="57289143" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2025 06:52:49 -0700 X-CSE-ConnectionGUID: a6XmckWnTmOaZ0W7wn/o/A== X-CSE-MsgGUID: 9CE9RbIqTnCtSYCj/rZ3aA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,285,1747724400"; d="scan'208";a="170928900" Received: from smile.fi.intel.com ([10.237.72.52]) by orviesa004.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2025 06:52:44 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.98.2) (envelope-from ) id 1umBuB-00000005RqB-41aP; Wed, 13 Aug 2025 16:52:39 +0300 Date: Wed, 13 Aug 2025 16:52:39 +0300 From: Andy Shevchenko To: Dominique Martinet Cc: Nathan Chancellor , kernel test robot , Dominique Martinet via B4 Relay , "Matthew Wilcox (Oracle)" , Christian Brauner , David Howells , Alexander Viro , Andrew Morton , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Maximilian Bosch , Ryan Lahfa , Christian Theune , Arnout Engelen , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 1/2] iov_iter: iterate_folioq: fix handling of offset >= folio size Message-ID: References: <20250811-iot_iter_folio-v1-1-d9c223adf93c@codewreck.org> <202508120250.Eooq2ydr-lkp@intel.com> <20250813051633.GA3895812@ax162> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: D6B7BC000B X-Stat-Signature: xhr51ybn1fz4t1hhgbs8kpsgyjmn49h1 X-Rspam-User: X-HE-Tag: 1755093169-408984 X-HE-Meta: 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 EPsCfwIf gnk/k2mOEchyeVfaZOAeo5ZHvs+76Un10FzXiJ9FdXLrPYOID+ml7dBYVFnNYC9G7Urd0Fe8SfG6Tu22OizDOaPAix22KB2SFo1+cAVGkRND8XSLZClok1fZYa55JMa66Y91xsdUSq60AApU5uLU20ar6YWMFEc0Y9+mzfmS/tCl06CBSCG7UvrQyBMTtpRNvY+HqxRV42L0IYDdEPbV9aFrBuSaQsOMZNHBc/QuDEMP74IU8k4SpQrkEseldotqWtdjsEkQeXOp2d9ssDDEaYli14ibfQ3cq5aMSIJT9swMUd3rMY8iB7uFl/bSwnAFeDRb/gxfi0BB/35/Cykzbnl+ntqHdqF4eCz1fz6GBqr+14QFBk5Ah5sB4Y9sSbKAdKTM33557e89A4dE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Aug 13, 2025 at 10:45:33PM +0900, Dominique Martinet wrote: > Andy Shevchenko wrote on Wed, Aug 13, 2025 at 03:39:09PM +0200: > > > I assume Andrew will pick it up eventually? > > > > I hope this to happen sooner as it broke my builds too (I always do now `make W=1` > > and suggest all developers should follow). > > I actually test with W=1 too, but somehow this warning doesn't show up > in my build, I'm not quite sure why :/ > (even if I try clang like the test robot... But there's plenty of > other warnings all around everywhere else, so I agree this is all way > too manual) Depends on your config, last few releases I was specifically targetting x86 defconfigs (32- and 64-bit) to be build with `make W=1`. There are a couple of changes that are still pending, but otherwise it builds with GCC and clang. -- With Best Regards, Andy Shevchenko