From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wout3-smtp.messagingengine.com (wout3-smtp.messagingengine.com [64.147.123.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9EC15634 for ; Fri, 16 Dec 2022 08:00:38 +0000 (UTC) Received: from compute6.internal (compute6.nyi.internal [10.202.2.47]) by mailout.west.internal (Postfix) with ESMTP id 52DE93200906; Fri, 16 Dec 2022 03:00:37 -0500 (EST) Received: from imap51 ([10.202.2.101]) by compute6.internal (MEProxy); Fri, 16 Dec 2022 03:00:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to; s=fm1; t=1671177636; x=1671264036; bh=5gJEzTEVlD vy8Tq4Os1u/SyKmtOlFe98ZaBLVtWSjLo=; b=mpPkOVZpl8rf1pwDwWPS4bqcU0 VndnE7TSqW4XXlPbyMN44J+1DRleuFK3oNGVJ/cFtbOWbyyPtlJZaGanI5CK7jdL Jci/x9KgM20GTcHGynN7GCCdYfpf82wus43jLCkMGDqXiKbdImyukuo+P7EwtuBi XWUhFjwXbxzggkRA+wfHitPY4/A8lw+dZFZuN2HHD8JVBxKa3949pb89p3aDbprw HB7EYcf1IGbm+HTp7XJhzgOx5TfTWA+EfBH9AqYfB7PPqAZ3vJ5jnKkstW2taB+V PgPdQ0rhGXqVIj3ASh2qqhMTGgb26AUA8RayfuF/lMfkjYRuTDpM4U4kTetQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; t=1671177636; x=1671264036; bh=5gJEzTEVlDvy8Tq4Os1u/SyKmtOl Fe98ZaBLVtWSjLo=; b=cQyLeyayy261CDcbjVHQ+p4UD5lwwMTO22x2L90jU/n4 lyFK0Y9RMZb6CtTPoiweojIUfogCrY6hhbiduYD1efsvnZpa2rrL93JuRApuXnKE 7wiq4/2z+mlc70LkIyIE08rNdqsZSAwUGsaeUGRerJ0Fhv64CFiNoasBUlrkcUR8 pQw6MPnQNL8N3EE+KDOUofR+vSqHLnNuidyfrUU8jMY5BSZiunsf6wPhCyssDl6I tcBvgDSiE5FUMuhJQ/UgdeEubHDlg3JAi3ws0scPifQjoB/doolLipqndn80kkx/ yDlLcFRRD8YEA0ZbA2RyYL3YrwQGAGRt9JxhrhKxnw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrfeeigdduuddtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefofgggkfgjfhffhffvvefutgesth dtredtreertdenucfhrhhomhepfdetrhhnugcuuegvrhhgmhgrnhhnfdcuoegrrhhnuges rghrnhgusgdruggvqeenucggtffrrghtthgvrhhnpeffheeugeetiefhgeethfejgfdtue fggeejleehjeeutefhfeeggefhkedtkeetffenucevlhhushhtvghrufhiiigvpedtnecu rfgrrhgrmhepmhgrihhlfhhrohhmpegrrhhnugesrghrnhgusgdruggv X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id 8BF00B60086; Fri, 16 Dec 2022 03:00:36 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-1185-g841157300a-fm-20221208.002-g84115730 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Message-Id: <9355f758-9d06-4de8-85f7-e6ad870e784b@app.fastmail.com> In-Reply-To: <202212160636.H31oByti-lkp@intel.com> References: <20221215162759.3883282-1-arnd@kernel.org> <202212160636.H31oByti-lkp@intel.com> Date: Fri, 16 Dec 2022 09:00:16 +0100 From: "Arnd Bergmann" To: "kernel test robot" , "Arnd Bergmann" , reiserfs-devel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] reiserfs: avoid objtool warning after panic Content-Type: text/plain On Thu, Dec 15, 2022, at 23:31, kernel test robot wrote: > Hi Arnd, > > I love your patch! Perhaps something to improve: > > compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 > reproduce (this is a W=1 build): > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > >>> fs/reiserfs/namei.o: warning: objtool: reiserfs_rename+0x212: unreachable instruction > -- >>> fs/reiserfs/ibalance.o: warning: objtool: balance_internal_when_delete+0x44c: unreachable instruction > -- >>> fs/reiserfs/stree.o: warning: objtool: reiserfs_cut_from_item+0x17a: unreachable instruction > -- >>> fs/reiserfs/journal.o: warning: objtool: do_journal_end+0x4af: unreachable instruction > -- >>> fs/reiserfs/item_ops.o: warning: objtool: direntry_check_left+0x65: unreachable instruction Ok, I'll have to revisit this one. I think I tried something similar before and ran into the same problem but I though I had figured it out this time. The problem apparently is that the patch to shut up the objtool warning with clang in turn adds a different objtool warning with gcc... Arnd