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 X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50ADEC47420 for ; Thu, 1 Oct 2020 13:36:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A48A2085B for ; Thu, 1 Oct 2020 13:36:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="rkoYrYmb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732207AbgJANgp (ORCPT ); Thu, 1 Oct 2020 09:36:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731993AbgJANgo (ORCPT ); Thu, 1 Oct 2020 09:36:44 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64148C0613D0; Thu, 1 Oct 2020 06:36:44 -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=fKHBx2l1x20GN0S3b+jTfen0uwxhiVfe2eiMSbpdaJc=; b=rkoYrYmb5/6jzedCCWXFLJn1Js Su3dhZ5KWDv1MASUxHWIyi0HHPm/ePgWAlqmlPl7vX0YAy66AJdPY+/xm0WAUYoRmEBX+mO+6T8+V Icj9pc59qTGH/yoN90T+98J5m6GdmDo4o+YQ6Qcwfvu5StJC1CMj+dZsOTyf/c9HP8WlPBGOb+o0Q 6D9yVgyZ+6MFyhrDwUasgeNYH4HtwuVAWOPmdotfUbYA/8kLlXOVNla6GYLXq1AzitcCts/t+cL5h IEg2Eshs26M+j10DrIY85wx56KguUB9k4rNB/xtXHnDIekBqXSRpUNU87NEPTQuVilHGV1nifj4NB bclif4ew==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNyko-0004ix-3E; Thu, 01 Oct 2020 13:36:14 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 436ED300446; Thu, 1 Oct 2020 15:36:12 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 30D1F203DC1C6; Thu, 1 Oct 2020 15:36:12 +0200 (CEST) Date: Thu, 1 Oct 2020 15:36:12 +0200 From: Peter Zijlstra To: Miroslav Benes Cc: Sami Tolvanen , Masahiro Yamada , Will Deacon , Steven Rostedt , Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org, jthierry@redhat.com, jpoimboe@redhat.com Subject: Re: [PATCH v4 04/29] objtool: Add a pass for generating __mcount_loc Message-ID: <20201001133612.GQ2628@hirez.programming.kicks-ass.net> References: <20200929214631.3516445-1-samitolvanen@google.com> <20200929214631.3516445-5-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 01, 2020 at 03:17:07PM +0200, Miroslav Benes wrote: > I also wonder about making 'mcount' command separate from 'check'. Similar > to what is 'orc' now. But that could be done later. I'm not convinced more commands make sense. That only begets us the problem of having to run multiple commands. 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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 917B7C4727C for ; Thu, 1 Oct 2020 13:37:50 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3D3AD207F7 for ; Thu, 1 Oct 2020 13:37:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="BuLzaPSR"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="rkoYrYmb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3D3AD207F7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=TMKVsMgCoK1I/wSUIR7Lf2/3P/sVpr5azUEo7yxnNPo=; b=BuLzaPSRrBYIIqQCUm0LQmCAf OURuDMXC9W2hNDTgxEf0VT/O5taIlkBMB9d5vGhije3yprclju4GTnUNWE/zGq8qs9B8AnahxLRRS AuEnfnmOcqpBPuoT+48ncVe3mq9g4BhKAyZUd7FbIySqNU7hxHuxBwcnzTZhldnSNUPjxq9Mvu3oS V4tJFCOLH4PvOBUMrSvmosslyvb3PmWBC8BkroFHJ2Wjr0MYUK46HR+PxghAsAy6f2jlD3klTB4b3 fAVpnBO6ZCQDweHVUjmE2YKXjtEI04giGcDN4Ebo1S19rKV+Apg+o+BI8qSuh4xC/RmE5glu411QR x1jRd62Ww==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNykt-00031e-Fd; Thu, 01 Oct 2020 13:36:19 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNykq-000319-S3 for linux-arm-kernel@merlin.infradead.org; Thu, 01 Oct 2020 13:36:16 +0000 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=fKHBx2l1x20GN0S3b+jTfen0uwxhiVfe2eiMSbpdaJc=; b=rkoYrYmb5/6jzedCCWXFLJn1Js Su3dhZ5KWDv1MASUxHWIyi0HHPm/ePgWAlqmlPl7vX0YAy66AJdPY+/xm0WAUYoRmEBX+mO+6T8+V Icj9pc59qTGH/yoN90T+98J5m6GdmDo4o+YQ6Qcwfvu5StJC1CMj+dZsOTyf/c9HP8WlPBGOb+o0Q 6D9yVgyZ+6MFyhrDwUasgeNYH4HtwuVAWOPmdotfUbYA/8kLlXOVNla6GYLXq1AzitcCts/t+cL5h IEg2Eshs26M+j10DrIY85wx56KguUB9k4rNB/xtXHnDIekBqXSRpUNU87NEPTQuVilHGV1nifj4NB bclif4ew==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNyko-0004ix-3E; Thu, 01 Oct 2020 13:36:14 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 436ED300446; Thu, 1 Oct 2020 15:36:12 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 30D1F203DC1C6; Thu, 1 Oct 2020 15:36:12 +0200 (CEST) Date: Thu, 1 Oct 2020 15:36:12 +0200 From: Peter Zijlstra To: Miroslav Benes Subject: Re: [PATCH v4 04/29] objtool: Add a pass for generating __mcount_loc Message-ID: <20201001133612.GQ2628@hirez.programming.kicks-ass.net> References: <20200929214631.3516445-1-samitolvanen@google.com> <20200929214631.3516445-5-samitolvanen@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, x86@kernel.org, Kees Cook , "Paul E. McKenney" , kernel-hardening@lists.openwall.com, Greg Kroah-Hartman , Masahiro Yamada , linux-kbuild@vger.kernel.org, Nick Desaulniers , linux-kernel@vger.kernel.org, Steven Rostedt , clang-built-linux@googlegroups.com, jpoimboe@redhat.com, Sami Tolvanen , linux-pci@vger.kernel.org, Will Deacon , linux-arm-kernel@lists.infradead.org, jthierry@redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Oct 01, 2020 at 03:17:07PM +0200, Miroslav Benes wrote: > I also wonder about making 'mcount' command separate from 'check'. Similar > to what is 'orc' now. But that could be done later. I'm not convinced more commands make sense. That only begets us the problem of having to run multiple commands. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel