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[2620:137:e000::1:20]) by mx.google.com with ESMTP id hg5-20020a1709072cc500b00781e4e00f8esi2538589ejc.15.2022.09.23.11.54.10; Fri, 23 Sep 2022 11:54:36 -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=@intel.com header.s=Intel header.b=AsC9oIcp; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232159AbiIWRiw (ORCPT + 99 others); Fri, 23 Sep 2022 13:38:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232449AbiIWRi2 (ORCPT ); Fri, 23 Sep 2022 13:38:28 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBEEE14FE38 for ; Fri, 23 Sep 2022 10:37:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663954647; x=1695490647; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=i/BaILVI2Wqzcj4+9o9u3SXfzdQ9/ujyjstXsdyjTCU=; b=AsC9oIcpYgfkygyVzlLnlo1IMQn0VBZUlVeImwwEgUE9mavmohc1JGGV o2iW1V/VnHkMURNAL1Ac+3AnVhNzxn8u0Bim0RWES6f7TLtqY7RVsnrvn qLqCon6dAjuLAFocYxap/qpPoeIVG2pdNJpRN9S+ViLLi0IRe6K+W1sXl VK/nF0a+bD2dmroEBFg+ZE8JDqmYPMbZE7tSteHRpCVkRPXUIw0/biFgr aJT+tOeGCYqXZ5s1/JvMdLL404B3gmF9dwrSboi8WFNQbr3kFE6Mwq2vK tpjrZosxiOId32ouKZo1kBuWKywS/aRevAMj9SBGd1HO4DufAg1E2HSiB w==; X-IronPort-AV: E=McAfee;i="6500,9779,10479"; a="298244731" X-IronPort-AV: E=Sophos;i="5.93,339,1654585200"; d="scan'208";a="298244731" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2022 10:37:01 -0700 X-IronPort-AV: E=Sophos;i="5.93,339,1654585200"; d="scan'208";a="724209092" Received: from bsyntia-mobl2.amr.corp.intel.com (HELO desk) ([10.209.30.246]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2022 10:37:00 -0700 Date: Fri, 23 Sep 2022 10:36:59 -0700 From: Pawan Gupta To: Peter Zijlstra Cc: Thomas Gleixner , linux-kernel@vger.kernel.org, x86@kernel.org, Linus Torvalds , Tim Chen , Josh Poimboeuf , Andrew Cooper , Johannes Wikner , Alyssa Milburn , Jann Horn , "H.J. Lu" , Joao Moreira , Joseph Nuzman , Steven Rostedt , Juergen Gross , Masami Hiramatsu , Alexei Starovoitov , Daniel Borkmann , K Prateek Nayak , Eric Dumazet , antonio.gomez.iglesias@linux.intel.com, Daniel Sneddon Subject: Re: [PATCH v3 32/59] objtool: Allow STT_NOTYPE -> STT_FUNC+0 tail-calls Message-ID: <20220923173659.7mdnyjnd7iiljdn2@desk> References: <20220915111039.092790446@infradead.org> <20220915111146.224130589@infradead.org> <20220922052750.wux3iykp2pfzi75k@desk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_HI,SPF_HELO_NONE, SPF_NONE 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 Fri, Sep 23, 2022 at 04:35:13PM +0200, Peter Zijlstra wrote: >On Thu, Sep 22, 2022 at 03:15:10PM +0200, Peter Zijlstra wrote: > >> Ho-Humm.. let me find a non hacky solution. > >I've ended up here: > > https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?h=call-depth-tracking&id=c2a8b8187418956af92d2d954ee4574f87f5e188 > https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?h=call-depth-tracking&id=c74976b9664fb6a1856d85ce246d84db3fd2c2cd > >which is arguably quite a lot of work for something relatively minor, >but I do think it leaves us in a better place. > >Combo patch below.. Confirming that the patch fixes the warning. Thanks.