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[2620:137:e000::1:20]) by mx.google.com with ESMTP id a3-20020a1709027e4300b0016641a8abcfsi9270420pln.549.2022.07.04.04.50.48; Mon, 04 Jul 2022 04:51:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b="mSbUiv1/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233518AbiGDLpx (ORCPT + 99 others); Mon, 4 Jul 2022 07:45:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232583AbiGDLpv (ORCPT ); Mon, 4 Jul 2022 07:45:51 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47E8D11450 for ; Mon, 4 Jul 2022 04:45:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=4HrRuXuVA+Twe3QAd56nGmntiiPmbvBTaKZ1l1jeChc=; b=mSbUiv1/DRUA3lQIT0bPc7zWbu hYIsn/1ueg4pM4xgnObmk/HNo4XDuGhlHlQoQ3FijYv1D9Wz9sF4JRv8sECoVcNbUoBrI2j5nNB16 Nhx3So2SdSRT4PWxWEpL2hOZzyZNk22odC2seMX4jYd+jvOgH/c0vjC3LF/dt3DR3Xv/BfU5vsdqn TMjFNJjQueSZWfe9JcXAOWc4raiUkoEAM8TaUSzi204T5B/T7Et2DyFHWWuTHxZMZcg2Hs6xGrbWI BQDraL1c4hIdfIa2nXqgvznU58iRnhuL+MNmPW8cqFSOa/haIukRZJtioNqImk/hZRwFqOBq+njBw 4VnrMlyg==; Received: from dhcp-077-249-017-003.chello.nl ([77.249.17.3] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1o8KW5-00HE6L-Ke; Mon, 04 Jul 2022 11:45:25 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id D81D8300362; Mon, 4 Jul 2022 13:45:23 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id BE0B42028F029; Mon, 4 Jul 2022 13:45:23 +0200 (CEST) Date: Mon, 4 Jul 2022 13:45:23 +0200 From: Peter Zijlstra To: Christophe Leroy Cc: Sathvika Vasireddy , Sathvika Vasireddy , "linuxppc-dev@lists.ozlabs.org" , "jpoimboe@redhat.com" , "linux-kernel@vger.kernel.org" , "aik@ozlabs.ru" , "mpe@ellerman.id.au" , "mingo@redhat.com" , "rostedt@goodmis.org" , "naveen.n.rao@linux.vnet.ibm.com" , "mbenes@suse.cz" , "benh@kernel.crashing.org" , "paulus@samba.org" , Chen Zhongjin , Marc Zyngier , Linux ARM Subject: Re: [RFC PATCH v3 11/12] powerpc: Remove unreachable() from WARN_ON() Message-ID: References: <20220624183238.388144-1-sv@linux.ibm.com> <20220624183238.388144-12-sv@linux.ibm.com> <70b6d08d-aced-7f4e-b958-a3c7ae1a9319@csgroup.eu> <92eae2ef-f9b6-019a-5a8e-728cdd9bbbc0@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 29, 2022 at 06:30:23PM +0000, Christophe Leroy wrote: > The problem is that that function has size 0: > > 00000000000003d0 l F .text 0000000000000000 > qdisc_root_sleeping_lock.part.0 I'm somewhat confused; how is an empty STT_FUNC a valid construct on Power?