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[46.139.12.213]) by smtp.gmail.com with ESMTPSA id u11sm16796834wrg.35.2019.05.06.00.48.26 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 06 May 2019 00:48:27 -0700 (PDT) Date: Mon, 6 May 2019 09:48:24 +0200 From: Ingo Molnar To: Rasmus Villemoes Cc: Andrew Morton , Jason Baron , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org, Michael Ellerman , Will Deacon , Ingo Molnar , Arnd Bergmann , Nathan Chancellor , Nick Desaulniers , Linus Torvalds , Andy Lutomirski Subject: Re: [PATCH 00/10] implement DYNAMIC_DEBUG_RELATIVE_POINTERS Message-ID: <20190506074824.GA40476@gmail.com> References: <20190409212517.7321-1-linux@rasmusvillemoes.dk> <1afb0702-3cc5-ba4f-2bdd-604d9da2b846@rasmusvillemoes.dk> <20190506070544.GA66463@gmail.com> <25dfde77-fdad-0b99-75ec-4ba480058970@rasmusvillemoes.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <25dfde77-fdad-0b99-75ec-4ba480058970@rasmusvillemoes.dk> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Rasmus Villemoes wrote: > I _am_ bending the C rules a bit with the "extern some_var; asm > volatile(".section some_section\nsome_var: blabla");". I should > probably ask on the gcc list whether this way of defining a local > symbol in inline assembly and referring to it from C is supposed to > work, or it just happens to work by chance. Doing that would be rather useful I think. Thanks, Ingo 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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 22967C04AAC for ; Mon, 6 May 2019 07:49:57 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 9ACD8205C9 for ; Mon, 6 May 2019 07:49:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Slaf58rR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9ACD8205C9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 44yFJL5wrzzDqJR for ; Mon, 6 May 2019 17:49:54 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gmail.com (client-ip=2a00:1450:4864:20::343; helo=mail-wm1-x343.google.com; envelope-from=mingo.kernel.org@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Slaf58rR"; dkim-atps=neutral Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 44yFGl6Gt8zDqBY for ; Mon, 6 May 2019 17:48:31 +1000 (AEST) Received: by mail-wm1-x343.google.com with SMTP id p21so14472697wmc.0 for ; Mon, 06 May 2019 00:48:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=lOMmC2TdPGvudZ5zd3K88q7Hkn2nNBdEod9TPs+T1As=; b=Slaf58rRFMPspfJPXpmTfLlvwHidotLOMxhyQjova1O4DpsmA/t1EGlinnwrWNjZEa WGXX51gARplly5SfcaxFi1xynREwymrx2nkYqsnw8tXplC1Jed+eZEL89EAMgspKPkx4 VMPvROYT21z9Gfa2hf4YEkbEZMzU64Pnrvx0w/E2NvCgLPuXS/Ce2M5vuYhuVd2j+r4u wKFhmjQwd8VN5pi1cR7+4kAfj/k4clFbyCNw4CyQnrW+2UniB1kSivgEVBjU7pyF37Mw fisW2RubkyT9oK8pxfLjs06SlLs2nGZsRfxwfbOxUCSoy1gKnwLXV46GP1FupbieOKBi gikA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=lOMmC2TdPGvudZ5zd3K88q7Hkn2nNBdEod9TPs+T1As=; b=BZdUO+UbwHja+Qd1BlX5ae5yeqWcfYDkk23ErK/ewT1To5E87bur4/VnkuZTdYYqSf RLLuaiIucfum+fPYKtWJNy6JNdgnfi9ThlmPgRCR2q7yGCHajROzBPNseo69XrWsA0Ac PDkRUbQ87OX2bajQ1fVQNuxjrLfGv/0/4CxJ9ZvTyDDkOAHWrz33uQbj216UQMXX/ioN rc1R+twzAQQ6cIJr3pCPp9C9sLXKkQ1tsCwCQ7zrPtqsznSI0UKnvT9+mTirhk2nNeyJ sOZCVdjvFYofwUPeyC3WVn7B/ush6D6ERwmgTdLe7cDOwtZHzyt0pi4kUPYI7LjBm3pV 4rAA== X-Gm-Message-State: APjAAAVBT6UfQvGKh9EEFYanAEdSCjp0wzoyVs7VLOKkTGkGKt1n2+5y S2QtbklMlN7/x7YNgsEcK98= X-Google-Smtp-Source: APXvYqyxnM3H0RW7VAjyrnVoeQuJS4dJsfRQz2+6D0KPmo/7z1/mSm31TtogRWgjeRvZ41viotGPaw== X-Received: by 2002:a1c:4602:: with SMTP id t2mr15129112wma.120.1557128907723; Mon, 06 May 2019 00:48:27 -0700 (PDT) Received: from gmail.com (2E8B0CD5.catv.pool.telekom.hu. [46.139.12.213]) by smtp.gmail.com with ESMTPSA id u11sm16796834wrg.35.2019.05.06.00.48.26 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 06 May 2019 00:48:27 -0700 (PDT) Date: Mon, 6 May 2019 09:48:24 +0200 From: Ingo Molnar To: Rasmus Villemoes Subject: Re: [PATCH 00/10] implement DYNAMIC_DEBUG_RELATIVE_POINTERS Message-ID: <20190506074824.GA40476@gmail.com> References: <20190409212517.7321-1-linux@rasmusvillemoes.dk> <1afb0702-3cc5-ba4f-2bdd-604d9da2b846@rasmusvillemoes.dk> <20190506070544.GA66463@gmail.com> <25dfde77-fdad-0b99-75ec-4ba480058970@rasmusvillemoes.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <25dfde77-fdad-0b99-75ec-4ba480058970@rasmusvillemoes.dk> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nick Desaulniers , Arnd Bergmann , x86@kernel.org, Will Deacon , linux-kernel@vger.kernel.org, Linus Torvalds , Jason Baron , Ingo Molnar , Andy Lutomirski , Andrew Morton , linuxppc-dev@lists.ozlabs.org, Nathan Chancellor , linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" * Rasmus Villemoes wrote: > I _am_ bending the C rules a bit with the "extern some_var; asm > volatile(".section some_section\nsome_var: blabla");". I should > probably ask on the gcc list whether this way of defining a local > symbol in inline assembly and referring to it from C is supposed to > work, or it just happens to work by chance. Doing that would be rather useful I think. Thanks, Ingo 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=-2.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 C30A7C04AAF for ; Mon, 6 May 2019 07:48:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5DB132087F for ; Mon, 6 May 2019 07:48:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cj6SsUOp"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Slaf58rR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5DB132087F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.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=SLjlUiZThN7rHHYhyR2q6QTmH6AY40JVlIQ2Kya1EmE=; b=cj6SsUOpIAEhtA rkwMfAQcpPrf9Vj8YltFH/l3n/uzfYDz/iehaJ0y9IKVr04oA35pJoKLU6NFg4D5EK7VExgFaMuio E6e0SM6lQBDHYYppr2HIb66V4VsjMSNTDD8j0kBa/dWZQeKPwh0duvK8jOQtoGGjTnE/Xc/1UuoEE Kmblw5dT/rQjWZpysSNz6IEyXlp4CZUspVh9zQSY+AZMRdQQMuuo9EffEyf91bPXUyJpBZM1gSniS Kn9EGgxbsLHr9KQtjn7YOGVn6PKQBH0/n9rqZ0IgrDyBorJp8NcA9zwzHaftBDlEQXFBGVnWh9Pgo CnuIIC59lIfCEQaGJ1Uw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hNYMS-0007se-25; Mon, 06 May 2019 07:48:32 +0000 Received: from mail-wm1-x343.google.com ([2a00:1450:4864:20::343]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hNYMP-0007sH-DY for linux-arm-kernel@lists.infradead.org; Mon, 06 May 2019 07:48:30 +0000 Received: by mail-wm1-x343.google.com with SMTP id o189so3522850wmb.1 for ; Mon, 06 May 2019 00:48:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=lOMmC2TdPGvudZ5zd3K88q7Hkn2nNBdEod9TPs+T1As=; b=Slaf58rRFMPspfJPXpmTfLlvwHidotLOMxhyQjova1O4DpsmA/t1EGlinnwrWNjZEa WGXX51gARplly5SfcaxFi1xynREwymrx2nkYqsnw8tXplC1Jed+eZEL89EAMgspKPkx4 VMPvROYT21z9Gfa2hf4YEkbEZMzU64Pnrvx0w/E2NvCgLPuXS/Ce2M5vuYhuVd2j+r4u wKFhmjQwd8VN5pi1cR7+4kAfj/k4clFbyCNw4CyQnrW+2UniB1kSivgEVBjU7pyF37Mw fisW2RubkyT9oK8pxfLjs06SlLs2nGZsRfxwfbOxUCSoy1gKnwLXV46GP1FupbieOKBi gikA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=lOMmC2TdPGvudZ5zd3K88q7Hkn2nNBdEod9TPs+T1As=; b=G4Y7GMe47PiKWE7DL5qu1ZR8k/ICEy4Vu5p3447rkEprU1CqqiXsJ2w6wdCrZe6DPu 956n66cICDQDss0Ldjjl9qLjE+vjgTRh7nGwJx+PfXGKB24cGvcskv9uW7c7tVdbTaJ3 1FIm8YLyCyqz7RZ8E/NS3ihhck//luHNEne283aPbDUox46v0s/HXgSPlCI0BGlHqG8X Hh6Dkan6Bl/+6+rVS70l0aWxHeCUXS2h/Rn2IQdB7hJcjFeZ3K6y84QkDnpIMX6+CVAT sEkvCyzq/40WLF8WI74DzJRLCTvsGSjnFgZ6NL9qSva7yU5u+a0CnLjK4Mp+8SN9jlWC cwZQ== X-Gm-Message-State: APjAAAVxMbPUme7F74SP/BaF7rthmL6WyGxovoqna/mC2XI/VWPuXalC 3NDngTcpL65daZIw47+IzX8= X-Google-Smtp-Source: APXvYqyxnM3H0RW7VAjyrnVoeQuJS4dJsfRQz2+6D0KPmo/7z1/mSm31TtogRWgjeRvZ41viotGPaw== X-Received: by 2002:a1c:4602:: with SMTP id t2mr15129112wma.120.1557128907723; Mon, 06 May 2019 00:48:27 -0700 (PDT) Received: from gmail.com (2E8B0CD5.catv.pool.telekom.hu. [46.139.12.213]) by smtp.gmail.com with ESMTPSA id u11sm16796834wrg.35.2019.05.06.00.48.26 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 06 May 2019 00:48:27 -0700 (PDT) Date: Mon, 6 May 2019 09:48:24 +0200 From: Ingo Molnar To: Rasmus Villemoes Subject: Re: [PATCH 00/10] implement DYNAMIC_DEBUG_RELATIVE_POINTERS Message-ID: <20190506074824.GA40476@gmail.com> References: <20190409212517.7321-1-linux@rasmusvillemoes.dk> <1afb0702-3cc5-ba4f-2bdd-604d9da2b846@rasmusvillemoes.dk> <20190506070544.GA66463@gmail.com> <25dfde77-fdad-0b99-75ec-4ba480058970@rasmusvillemoes.dk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <25dfde77-fdad-0b99-75ec-4ba480058970@rasmusvillemoes.dk> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190506_004829_452728_CB04BD0F X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nick Desaulniers , Arnd Bergmann , Michael Ellerman , x86@kernel.org, Will Deacon , linux-kernel@vger.kernel.org, Linus Torvalds , Jason Baron , Ingo Molnar , Andy Lutomirski , Andrew Morton , linuxppc-dev@lists.ozlabs.org, Nathan Chancellor , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org * Rasmus Villemoes wrote: > I _am_ bending the C rules a bit with the "extern some_var; asm > volatile(".section some_section\nsome_var: blabla");". I should > probably ask on the gcc list whether this way of defining a local > symbol in inline assembly and referring to it from C is supposed to > work, or it just happens to work by chance. Doing that would be rather useful I think. Thanks, Ingo _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel