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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1A46CCA486 for ; Wed, 6 Jul 2022 09:55:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232845AbiGFJzQ (ORCPT ); Wed, 6 Jul 2022 05:55:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232034AbiGFJyN (ORCPT ); Wed, 6 Jul 2022 05:54:13 -0400 Received: from mail-oa1-f52.google.com (mail-oa1-f52.google.com [209.85.160.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CA6725281; Wed, 6 Jul 2022 02:54:10 -0700 (PDT) Received: by mail-oa1-f52.google.com with SMTP id 586e51a60fabf-10bf634bc50so11683649fac.3; Wed, 06 Jul 2022 02:54:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=o8jOPstF035V3JBIGTjyEra8xnCZ4RAIho4NrHeIzoU=; b=ifKui5S5rFjVMq/DNxGGiZYtnihyrIPz+XgGy+287htk2qPkSPTBDT6zU/bqaW0IAj eEIcUuZm8zNyVqggg0vPkfq5SvWboTygMYut/vI30ZWm7OI6knykq5A50cyUN7yxHwbt x3OJkAQz3rS3Y9MtqJ6NwJrgnwi7+6R6OQArw7NoCvrdzt2fl1u+Op6Sk71Eo0mnk7Kf K4jGzZJ9jl69cTwc5fCZkxMTOGQj3eJLQiDqOz0u70kr/hzsHNPD58iNGRUJ3Qra3PtG IF6KKSoTvxIaCco+8PSMr8pK01Kl4c2wWlCyc/+gJQOyWRzB04t4vTh7uCb3o8arKg4q uq5Q== X-Gm-Message-State: AJIora8bNvFpKnAMxBIwdfj9hdkzH+LUCtZi660XXnMILcmdqPyTufKv uEDKcQWoKlpivWccpTeeGBiDcGrSKa967ox8 X-Google-Smtp-Source: AGRyM1uAKY8ZoN6KGv4/toshO1qHFCf+QFQjTKFAVF+YPn4y9ij2Yrnm8jj6CEE8H4m9dwU7r8nybw== X-Received: by 2002:a05:6870:b3a7:b0:10c:224c:a0b6 with SMTP id w39-20020a056870b3a700b0010c224ca0b6mr2265078oap.248.1657101249503; Wed, 06 Jul 2022 02:54:09 -0700 (PDT) Received: from mail-oo1-f46.google.com (mail-oo1-f46.google.com. [209.85.161.46]) by smtp.gmail.com with ESMTPSA id r81-20020acaf354000000b003359fb6609asm8613210oih.22.2022.07.06.02.54.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 02:54:09 -0700 (PDT) Received: by mail-oo1-f46.google.com with SMTP id m26-20020a4abc9a000000b00425cd321033so2843821oop.10; Wed, 06 Jul 2022 02:54:09 -0700 (PDT) X-Received: by 2002:a05:6902:50e:b0:66e:7f55:7a66 with SMTP id x14-20020a056902050e00b0066e7f557a66mr6648581ybs.365.1657100796735; Wed, 06 Jul 2022 02:46:36 -0700 (PDT) MIME-Version: 1.0 References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> In-Reply-To: <20220608144517.124597382@infradead.org> From: Geert Uytterhoeven Date: Wed, 6 Jul 2022 11:46:25 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr To: Peter Zijlstra Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Hans Ulli Kroll , Linus Walleij , Shawn Guo , Sascha Hauer , Sascha Hauer , Fabio Estevam , NXP Linux Team , tony@atomide.com, khilman@kernel.org, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, bcain@quicinc.com, chenhuacai@kernel.org, kernel@xen0n.name, sammy@sammy.net, monstr@monstr.eu, tsbogend@alpha.franken.de, dinguyen@kernel.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, James.Bottomley@hansenpartnership.com, deller@gmx.de, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, jgross@suse.com, srivatsa@csail.mit.edu, amakhalov@vmware.com, pv-drivers@vmware.com, boris.ostrovsky@oracle.com, chris@zankel.net, jcmvbkbc@gmail.com, rafael@kernel.org, lenb@kernel.org, pavel@ucw.cz, gregkh@linuxfoundation.org, mturquette@baylibre.com, sboyd@kernel.org, daniel.lezcano@linaro.org, lpieralisi@kernel.org, sudeep.holla@arm.com, agross@kernel.org, bjorn.andersson@linaro.org, anup@brainfault.org, thierry.reding@gmail.com, jonathanh@nvidia.com, jacob.jun.pan@linux.intel.com, Arnd Bergmann , yury.norov@gmail.com, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk, rostedt@goodmis.org, pmladek@suse.com, senozhatsky@chromium.org, john.ogness@linutronix.de, paulmck@kernel.org, frederic@kernel.org, quic_neeraju@quicinc.com, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, joel@joelfernandes.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, jpoimboe@kernel.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-perf-users@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-xtensa@linux-xtensa.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arch@vger.kernel.org, rcu@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds 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 Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 17010CCA47C for ; Wed, 6 Jul 2022 09:51:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 8EE7683DB7; Wed, 6 Jul 2022 09:51:57 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 8EE7683DB7 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DOpMvEybuL4S; Wed, 6 Jul 2022 09:51:56 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp1.osuosl.org (Postfix) with ESMTPS id EFA2F833CD; Wed, 6 Jul 2022 09:51:55 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org EFA2F833CD Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id AEA72C0035; Wed, 6 Jul 2022 09:51:55 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id C4AA0C002D for ; Wed, 6 Jul 2022 09:51:53 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 8C7ED8348C for ; Wed, 6 Jul 2022 09:51:53 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 8C7ED8348C X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OnWyN8wsVbNu for ; Wed, 6 Jul 2022 09:51:51 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 9EE25833CD Received: from mail-vk1-f171.google.com (mail-vk1-f171.google.com [209.85.221.171]) by smtp1.osuosl.org (Postfix) with ESMTPS id 9EE25833CD for ; Wed, 6 Jul 2022 09:51:51 +0000 (UTC) Received: by mail-vk1-f171.google.com with SMTP id az35so7148432vkb.0 for ; Wed, 06 Jul 2022 02:51:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=o8jOPstF035V3JBIGTjyEra8xnCZ4RAIho4NrHeIzoU=; b=NtoIWZEe5D15jTBPx1G7gwiJQVVs4XAE/ZkRFk5M2zuulB0V+/P5pewEwwBUDkue0A NxoU2J5icCq5GCuEW+eVKr09Bbty9/2ZCxtWKBHObceRo3+NhGvgbWeCkt3nChUfPl3T w0qifOgiroEHTVFXXKg7zCsN4ZwaokPrJJsGN1Hy/DNxjj5ODiTFdwxN7fip6NvnZPaG FJs+5FtFjST3JMgleW9NyMZa5HCbV6kSKBouOCgoiNw+4B8q7m+fZeg8ooLxVxhnnJ0F srKJn01dnfRI8BtcJLVQFTddWKPoGTEABd+BhCx3B+6OFnlJRD/85vB8LAbpBcGeLYlq XqXQ== X-Gm-Message-State: AJIora/zCD9tzqEeDmupwyxDgLLed66nl3EapcTdEG3okpj0h+G10n8r v9dnc2G95KpdUmqxWqw56M1Y/LSo5dCrS/1u X-Google-Smtp-Source: AGRyM1vliFGzI5EQE/8051mFQ91mMVbjG8HHGKdEf5QwVgV8DNUHzi9GhfyNYGFPJcLvRK5CX9ldPQ== X-Received: by 2002:ac5:cdcc:0:b0:36c:547d:d9c4 with SMTP id u12-20020ac5cdcc000000b0036c547dd9c4mr23210919vkn.2.1657101110271; Wed, 06 Jul 2022 02:51:50 -0700 (PDT) Received: from mail-ua1-f44.google.com (mail-ua1-f44.google.com. [209.85.222.44]) by smtp.gmail.com with ESMTPSA id j78-20020a1f2351000000b00373f71d8a34sm4596879vkj.48.2022.07.06.02.51.49 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 02:51:50 -0700 (PDT) Received: by mail-ua1-f44.google.com with SMTP id x31so248749uaf.10 for ; Wed, 06 Jul 2022 02:51:49 -0700 (PDT) X-Received: by 2002:a05:6902:50e:b0:66e:7f55:7a66 with SMTP id x14-20020a056902050e00b0066e7f557a66mr6648581ybs.365.1657100796735; Wed, 06 Jul 2022 02:46:36 -0700 (PDT) MIME-Version: 1.0 References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> In-Reply-To: <20220608144517.124597382@infradead.org> From: Geert Uytterhoeven Date: Wed, 6 Jul 2022 11:46:25 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr To: Peter Zijlstra Cc: juri.lelli@redhat.com, rafael@kernel.org, benh@kernel.crashing.org, Linus Walleij , bsegall@google.com, guoren@kernel.org, pavel@ucw.cz, agordeev@linux.ibm.com, linux-arch@vger.kernel.org, vincent.guittot@linaro.org, mpe@ellerman.id.au, chenhuacai@kernel.org, linux-acpi@vger.kernel.org, agross@kernel.org, NXP Linux Team , catalin.marinas@arm.com, xen-devel@lists.xenproject.org, Matt Turner , mturquette@baylibre.com, sammy@sammy.net, pmladek@suse.com, linux-pm@vger.kernel.org, jiangshanlai@gmail.com, Sascha Hauer , linux-um@lists.infradead.org, acme@kernel.org, tglx@linutronix.de, linux-omap@vger.kernel.org, dietmar.eggemann@arm.com, Richard Henderson , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, senozhatsky@chromium.org, svens@linux.ibm.com, jolsa@kernel.org, paulus@samba.org, mark.rutland@arm.com, linux-ia64@vger.kernel.org, dave.hansen@linux.intel.com, virtualization@lists.linux-foundation.org, James.Bottomley@hansenpartnership.com, jcmvbkbc@gmail.com, thierry.reding@gmail.com, kernel@xen0n.name, quic_neeraju@quicinc.com, linux-s390@vger.kernel.org, vschneid@redhat.com, john.ogness@linutronix.de, ysato@users.sourceforge.jp, linux-sh@vger.kernel.org, Fabio Estevam , deller@gmx.de, daniel.lezcano@linaro.org, jonathanh@nvidia.com, mathieu.desnoyers@efficios.com, frederic@kernel.org, lenb@kernel.org, linux-xtensa@linux-xtensa.org, Sascha Hauer , gor@linux.ibm.com, linux-arm-msm@vger.kernel.org, linux-alpha@vger.kernel.org, linux-m68k@lists.linux-m68k.org, shorne@gmail.com, linux-arm-kernel@lists.infradead.org, chris@zankel.net, sboyd@kernel.org, dinguyen@kernel.org, bristot@redhat.com, alexander.shishkin@linux.intel.com, lpieralisi@kernel.org, linux@rasmusvillemoes.dk, joel@joelfernandes.org, will@kernel.org, boris.ostrovsky@oracle.com, khilman@kernel.org, linux-csky@vger.kernel.org, pv-drivers@vmware.com, linux-snps-arc@lists.infradead.org, mgorman@suse.de, jacob.jun.pan@linux.intel.com, Arnd Bergmann , Hans Ulli Kroll , Vineet Gupta , linux-clk@vger.kernel.org, josh@joshtriplett.org, rostedt@goodmis.org, rcu@vger.kernel.org, bp@alien8.de, bcain@quicinc.com, tsbogend@alpha.franken.de, linux-parisc@vger.kernel.org, sudeep.holla@arm.com, Shawn Guo , davem@davemloft.net, dalias@libc.org, tony@atomide.com, amakhalov@vmware.com, bjorn.andersson@linaro.org, hpa@zytor.com, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, anton.ivanov@cambridgegreys.com, jonas@southpole.se, yury.norov@gmail.com, richard@nod.at, x86@kernel.org, Russell King , mingo@redhat.com, aou@eecs.berkeley.edu, paulmck@kernel.org, hca@linux.ibm.com, stefan.kristiansson@saunalahti.fi, openrisc@lists.librecores.org, paul.walmsley@sifive.com, linux-tegra@vger.kernel.org, namhyung@kernel.org, andriy.shevchenko@linux.intel.com, jpoimboe@kernel.org, jgross@suse.com, monstr@monstr.eu, linux-mips@vger.kernel.org, palmer@dabbelt.com, anup@brainfault.org, Ivan Kokshaysky , johannes@sipsolutions.net, linuxppc-dev@lists.ozlabs.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. 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[209.85.210.46]) by smtp.gmail.com with ESMTPSA id n20-20020a056870035400b0010c2c3fa9b4sm94498oaf.50.2022.07.06.02.46.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 02:46:47 -0700 (PDT) Received: by mail-ot1-f46.google.com with SMTP id 73-20020a9d084f000000b00616b04c7656so11485518oty.3; Wed, 06 Jul 2022 02:46:47 -0700 (PDT) X-Received: by 2002:a05:6902:50e:b0:66e:7f55:7a66 with SMTP id x14-20020a056902050e00b0066e7f557a66mr6648581ybs.365.1657100796735; Wed, 06 Jul 2022 02:46:36 -0700 (PDT) MIME-Version: 1.0 References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> In-Reply-To: <20220608144517.124597382@infradead.org> From: Geert Uytterhoeven Date: Wed, 6 Jul 2022 11:46:25 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr To: Peter Zijlstra Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Hans Ulli Kroll , Linus Walleij , Shawn Guo , Sascha Hauer , Sascha Hauer , Fabio Estevam , NXP Linux Team , tony@atomide.com, khilman@kernel.org, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, bcain@quicinc.com, chenhuacai@kernel.org, kernel@xen0n.name, sammy@sammy.net, monstr@monstr.eu, tsbogend@alpha.franken.de, dinguyen@kernel.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, James.Bottomley@hansenpartnership.com, deller@gmx.de, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, jgross@suse.com, srivatsa@csail.mit.edu, amakhalov@vmware.com, pv-drivers@vmware.com, boris.ostrovsky@oracle.com, chris@zankel.net, jcmvbkbc@gmail.com, rafael@kernel.org, lenb@kernel.org, pavel@ucw.cz, gregkh@linuxfoundation.org, mturquette@baylibre.com, sboyd@kernel.org, daniel.lezcano@linaro.org, lpieralisi@kernel.org, sudeep.holla@arm.com, agross@kernel.org, bjorn.andersson@linaro.org, anup@brainfault.org, thierry.reding@gmail.com, jonathanh@nvidia.com, jacob.jun.pan@linux.intel.com, Arnd Bergmann , yury.norov@gmail.com, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk, rostedt@goodmis.org, pmladek@suse.com, senozhatsky@chromium.org, john.ogness@linutronix.de, paulmck@kernel.org, frederic@kernel.org, quic_neeraju@quicinc.com, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, joel@joelfernandes.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, jpoimboe@kernel.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-perf-users@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-xtensa@linux-xtensa.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arch@vger.kernel.org, rcu@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220706_024650_084203_1EFBB498 X-CRM114-Status: GOOD ( 16.69 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. 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[209.85.210.46]) by smtp.gmail.com with ESMTPSA id n20-20020a056870035400b0010c2c3fa9b4sm94498oaf.50.2022.07.06.02.46.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 02:46:47 -0700 (PDT) Received: by mail-ot1-f46.google.com with SMTP id 73-20020a9d084f000000b00616b04c7656so11485518oty.3; Wed, 06 Jul 2022 02:46:47 -0700 (PDT) X-Received: by 2002:a05:6902:50e:b0:66e:7f55:7a66 with SMTP id x14-20020a056902050e00b0066e7f557a66mr6648581ybs.365.1657100796735; Wed, 06 Jul 2022 02:46:36 -0700 (PDT) MIME-Version: 1.0 References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> In-Reply-To: <20220608144517.124597382@infradead.org> From: Geert Uytterhoeven Date: Wed, 6 Jul 2022 11:46:25 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr To: Peter Zijlstra Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Hans Ulli Kroll , Linus Walleij , Shawn Guo , Sascha Hauer , Sascha Hauer , Fabio Estevam , NXP Linux Team , tony@atomide.com, khilman@kernel.org, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, bcain@quicinc.com, chenhuacai@kernel.org, kernel@xen0n.name, sammy@sammy.net, monstr@monstr.eu, tsbogend@alpha.franken.de, dinguyen@kernel.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, James.Bottomley@hansenpartnership.com, deller@gmx.de, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, jgross@suse.com, srivatsa@csail.mit.edu, amakhalov@vmware.com, pv-drivers@vmware.com, boris.ostrovsky@oracle.com, chris@zankel.net, jcmvbkbc@gmail.com, rafael@kernel.org, lenb@kernel.org, pavel@ucw.cz, gregkh@linuxfoundation.org, mturquette@baylibre.com, sboyd@kernel.org, daniel.lezcano@linaro.org, lpieralisi@kernel.org, sudeep.holla@arm.com, agross@kernel.org, bjorn.andersson@linaro.org, anup@brainfault.org, thierry.reding@gmail.com, jonathanh@nvidia.com, jacob.jun.pan@linux.intel.com, Arnd Bergmann , yury.norov@gmail.com, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk, rostedt@goodmis.org, pmladek@suse.com, senozhatsky@chromium.org, john.ogness@linutronix.de, paulmck@kernel.org, frederic@kernel.org, quic_neeraju@quicinc.com, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, joel@joelfernandes.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, jpoimboe@kernel.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-perf-users@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-xtensa@linux-xtensa.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arch@vger.kernel.org, rcu@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220706_024650_084203_1EFBB498 X-CRM114-Status: GOOD ( 16.69 ) X-Mailman-Approved-At: Wed, 06 Jul 2022 07:05:16 -0700 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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 Received: from mail.librecores.org (lists.librecores.org [88.198.125.70]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A0F5C433EF for ; Wed, 6 Jul 2022 21:55:29 +0000 (UTC) Received: from [172.31.1.100] (localhost.localdomain [127.0.0.1]) by mail.librecores.org (Postfix) with ESMTP id 7501F24845; Wed, 6 Jul 2022 23:55:28 +0200 (CEST) Received: from mail-qk1-f170.google.com (mail-qk1-f170.google.com [209.85.222.170]) by mail.librecores.org (Postfix) with ESMTPS id 165242133D for ; Wed, 6 Jul 2022 11:46:50 +0200 (CEST) Received: by mail-qk1-f170.google.com with SMTP id z16so10616665qkj.7 for ; Wed, 06 Jul 2022 02:46:50 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=o8jOPstF035V3JBIGTjyEra8xnCZ4RAIho4NrHeIzoU=; b=2u3wRku5vJYRxhS20P6nHNsb6KSMX6b9MN6GltRfjqUB829BOM2qtUHuYO2NJ+u4Hd yWbmKatwmRmjVBe/QUFBfon3eZq3WuCoHbSSES/nQo7MLzRSj8od18p2uOETJKHRUfhk ODdeUBZx/lF5ZojzuUG8RqYBq9/wv0O/BVvkg61dQTTAaNFmshB2ncGreC7UdxbUy9SK vuy0nuSZl1BQmE7zKNj+cwLOd2wfOmHkBLiv95NGDU0TlfdUiyk3gQ2rk2TG6ZUzaUH9 +bQ5uvvWkMB6JvvfVDb1JP62wuL/ug+j9u7HG5DI1aKJS7P3RUvEv86eryztXdAn9OKM HcjA== X-Gm-Message-State: AJIora9gqM/SD+aPcEWrIWP/6FBLxDBhaCIHGREwGKfvwgPQ8LipLHFa dx4OThgjlABgwaAYD+GsOrWD3oXZBfpaVmxf X-Google-Smtp-Source: AGRyM1sS4HzvNTluf4LyB49jy3AvWySgae4dSPYn7/y6nwTH2g6dhxqYZlKjnUQ2TN0wZmgqOpwJ3w== X-Received: by 2002:a05:620a:1b8f:b0:6af:337a:5067 with SMTP id dv15-20020a05620a1b8f00b006af337a5067mr25960728qkb.343.1657100808842; Wed, 06 Jul 2022 02:46:48 -0700 (PDT) Received: from mail-yb1-f176.google.com (mail-yb1-f176.google.com. [209.85.219.176]) by smtp.gmail.com with ESMTPSA id t19-20020a05622a01d300b00304f3e320f2sm26163875qtw.4.2022.07.06.02.46.47 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 02:46:48 -0700 (PDT) Received: by mail-yb1-f176.google.com with SMTP id r3so26416291ybr.6 for ; Wed, 06 Jul 2022 02:46:47 -0700 (PDT) X-Received: by 2002:a05:6902:50e:b0:66e:7f55:7a66 with SMTP id x14-20020a056902050e00b0066e7f557a66mr6648581ybs.365.1657100796735; Wed, 06 Jul 2022 02:46:36 -0700 (PDT) MIME-Version: 1.0 References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> In-Reply-To: <20220608144517.124597382@infradead.org> From: Geert Uytterhoeven Date: Wed, 6 Jul 2022 11:46:25 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr To: Peter Zijlstra Content-Type: text/plain; charset="UTF-8" X-Mailman-Approved-At: Wed, 06 Jul 2022 23:55:27 +0200 X-BeenThere: openrisc@lists.librecores.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Discussion around the OpenRISC processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: juri.lelli@redhat.com, rafael@kernel.org, benh@kernel.crashing.org, Linus Walleij , bsegall@google.com, guoren@kernel.org, pavel@ucw.cz, agordeev@linux.ibm.com, srivatsa@csail.mit.edu, linux-arch@vger.kernel.org, vincent.guittot@linaro.org, mpe@ellerman.id.au, chenhuacai@kernel.org, linux-acpi@vger.kernel.org, agross@kernel.org, NXP Linux Team , catalin.marinas@arm.com, xen-devel@lists.xenproject.org, Matt Turner , borntraeger@linux.ibm.com, mturquette@baylibre.com, sammy@sammy.net, pmladek@suse.com, linux-pm@vger.kernel.org, jiangshanlai@gmail.com, Sascha Hauer , linux-um@lists.infradead.org, acme@kernel.org, tglx@linutronix.de, linux-omap@vger.kernel.org, dietmar.eggemann@arm.com, Richard Henderson , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, senozhatsky@chromium.org, svens@linux.ibm.com, jolsa@kernel.org, paulus@samba.org, mark.rutland@arm.com, linux-ia64@vger.kernel.org, dave.hansen@linux.intel.com, virtualization@lists.linux-foundation.org, James.Bottomley@hansenpartnership.com, jcmvbkbc@gmail.com, thierry.reding@gmail.com, kernel@xen0n.name, quic_neeraju@quicinc.com, linux-s390@vger.kernel.org, vschneid@redhat.com, john.ogness@linutronix.de, ysato@users.sourceforge.jp, linux-sh@vger.kernel.org, Fabio Estevam , deller@gmx.de, daniel.lezcano@linaro.org, jonathanh@nvidia.com, mathieu.desnoyers@efficios.com, frederic@kernel.org, lenb@kernel.org, linux-xtensa@linux-xtensa.org, Sascha Hauer , gor@linux.ibm.com, linux-arm-msm@vger.kernel.org, linux-alpha@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-arm-kernel@lists.infradead.org, chris@zankel.net, sboyd@kernel.org, dinguyen@kernel.org, bristot@redhat.com, alexander.shishkin@linux.intel.com, lpieralisi@kernel.org, linux@rasmusvillemoes.dk, joel@joelfernandes.org, will@kernel.org, boris.ostrovsky@oracle.com, khilman@kernel.org, linux-csky@vger.kernel.org, pv-drivers@vmware.com, linux-snps-arc@lists.infradead.org, mgorman@suse.de, jacob.jun.pan@linux.intel.com, Arnd Bergmann , Hans Ulli Kroll , Vineet Gupta , linux-clk@vger.kernel.org, josh@joshtriplett.org, rostedt@goodmis.org, rcu@vger.kernel.org, bp@alien8.de, bcain@quicinc.com, tsbogend@alpha.franken.de, linux-parisc@vger.kernel.org, sudeep.holla@arm.com, Shawn Guo , davem@davemloft.net, dalias@libc.org, tony@atomide.com, amakhalov@vmware.com, bjorn.andersson@linaro.org, hpa@zytor.com, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, anton.ivanov@cambridgegreys.com, jonas@southpole.se, yury.norov@gmail.com, richard@nod.at, x86@kernel.org, Russell King , mingo@redhat.com, aou@eecs.berkeley.edu, paulmck@kernel.org, hca@linux.ibm.com, openrisc@lists.librecores.org, paul.walmsley@sifive.com, linux-tegra@vger.kernel.org, namhyung@kernel.org, andriy.shevchenko@linux.intel.com, jpoimboe@kernel.org, jgross@suse.com, monstr@monstr.eu, linux-mips@vger.kernel.org, palmer@dabbelt.com, anup@brainfault.org, Ivan Kokshaysky , johannes@sipsolutions.net, linuxppc-dev@lists.ozlabs.org Errors-To: openrisc-bounces@lists.librecores.org Sender: "OpenRISC" On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds 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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9407FC433EF for ; Wed, 6 Jul 2022 22:18:52 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4LdYpz0zmbz2x9G for ; Thu, 7 Jul 2022 08:18:51 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=209.85.160.177; helo=mail-qt1-f177.google.com; envelope-from=geert.uytterhoeven@gmail.com; receiver=) Received: from mail-qt1-f177.google.com (mail-qt1-f177.google.com [209.85.160.177]) (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 4LdF7L6Tz2z2yh9 for ; Wed, 6 Jul 2022 19:46:53 +1000 (AEST) Received: by mail-qt1-f177.google.com with SMTP id c13so17420263qtq.10 for ; Wed, 06 Jul 2022 02:46:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=o8jOPstF035V3JBIGTjyEra8xnCZ4RAIho4NrHeIzoU=; b=cJuC0qKIElQ6nZQTAEDFxLxljuL/FCbP2ukfUrXPXjCGvBEKD81RNrLr7EwkoiJR+V HKoBNQG2i89zMuTj++1OOwIBvfaEkf+XCuKK+M04NEI9fg2haS0A0nIzGJvNi3CDs8ZD U8a/fDTANDK6EKff8k10kTXubPfdC6OP5mU2MF8GaPIb24bgtiHUkmslf6Bj3xSy39w4 gxrouvJkujATWushCOMk6q7ge8fn2yD5YcvEmXAXsYxUs+3pQLKitsSUaZ+7/ax7kOo4 XG+nqi4svdtqoR6thb0OWwE11d4QgVZObmSgbKCkYoXlCM6K5t6FfvxVzAtORt/hLqYS s60Q== X-Gm-Message-State: AJIora+8x+yjel5zyv5Wj5nOSSqvP0EF9dwIUIG9Je+frU2ULrt8lOxu QWYpGJP4VJyatCodwD+cXgfekIy6CQGXj8Ew X-Google-Smtp-Source: AGRyM1tuBi25C+jTgrGOPAkhDfUSSI6/8YaZZ62Uz94+oBnOb4elXS6F3e3ow4xFyhEJkiN3Gi6rAw== X-Received: by 2002:a05:622a:4b:b0:31a:17ce:eebd with SMTP id y11-20020a05622a004b00b0031a17ceeebdmr32372320qtw.621.1657100808742; Wed, 06 Jul 2022 02:46:48 -0700 (PDT) Received: from mail-yb1-f175.google.com (mail-yb1-f175.google.com. [209.85.219.175]) by smtp.gmail.com with ESMTPSA id 142-20020a370994000000b006a73cb957dasm27889909qkj.20.2022.07.06.02.46.47 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 02:46:48 -0700 (PDT) Received: by mail-yb1-f175.google.com with SMTP id i14so6676662yba.1 for ; Wed, 06 Jul 2022 02:46:47 -0700 (PDT) X-Received: by 2002:a05:6902:50e:b0:66e:7f55:7a66 with SMTP id x14-20020a056902050e00b0066e7f557a66mr6648581ybs.365.1657100796735; Wed, 06 Jul 2022 02:46:36 -0700 (PDT) MIME-Version: 1.0 References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> In-Reply-To: <20220608144517.124597382@infradead.org> From: Geert Uytterhoeven Date: Wed, 6 Jul 2022 11:46:25 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr To: Peter Zijlstra Content-Type: text/plain; charset="UTF-8" X-Mailman-Approved-At: Thu, 07 Jul 2022 08:18:29 +1000 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: juri.lelli@redhat.com, rafael@kernel.org, Linus Walleij , bsegall@google.com, guoren@kernel.org, pavel@ucw.cz, agordeev@linux.ibm.com, srivatsa@csail.mit.edu, linux-arch@vger.kernel.org, vincent.guittot@linaro.org, chenhuacai@kernel.org, linux-acpi@vger.kernel.org, agross@kernel.org, NXP Linux Team , catalin.marinas@arm.com, xen-devel@lists.xenproject.org, Matt Turner , borntraeger@linux.ibm.com, mturquette@baylibre.com, sammy@sammy.net, pmladek@suse.com, linux-pm@vger.kernel.org, jiangshanlai@gmail.com, Sascha Hauer , linux-um@lists.infradead.org, acme@kernel.org, tglx@linutronix.de, linux-omap@vger.kernel.org, dietmar.eggemann@arm.com, Richard Henderson , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, senozhatsky@chromium.org, svens@linux.ibm.com, jolsa@kernel.org, paulus@samba.org, mark.rutland@arm.com, linux-ia64@vger.kernel.or g, dave.hansen@linux.intel.com, virtualization@lists.linux-foundation.org, James.Bottomley@hansenpartnership.com, jcmvbkbc@gmail.com, thierry.reding@gmail.com, kernel@xen0n.name, quic_neeraju@quicinc.com, linux-s390@vger.kernel.org, vschneid@redhat.com, john.ogness@linutronix.de, ysato@users.sourceforge.jp, linux-sh@vger.kernel.org, Fabio Estevam , deller@gmx.de, daniel.lezcano@linaro.org, jonathanh@nvidia.com, mathieu.desnoyers@efficios.com, frederic@kernel.org, lenb@kernel.org, linux-xtensa@linux-xtensa.org, Sascha Hauer , gor@linux.ibm.com, linux-arm-msm@vger.kernel.org, linux-alpha@vger.kernel.org, linux-m68k@lists.linux-m68k.org, shorne@gmail.com, linux-arm-kernel@lists.infradead.org, chris@zankel.net, sboyd@kernel.org, dinguyen@kernel.org, bristot@redhat.com, alexander.shishkin@linux.intel.com, lpieralisi@kernel.org, linux@rasmusvillemoes.dk, joel@joelfernandes.org, will@kernel.org, boris.ostrovsky@oracle.com, khilman@kernel.org, linu x-csky@vger.kernel.org, pv-drivers@vmware.com, linux- snps-arc@lists.infradead.org, mgorman@suse.de, jacob.jun.pan@linux.intel.com, Arnd Bergmann , Hans Ulli Kroll , Vineet Gupta , linux-clk@vger.kernel.org, josh@joshtriplett.org, rostedt@goodmis.org, rcu@vger.kernel.org, bp@alien8.de, bcain@quicinc.com, tsbogend@alpha.franken.de, linux-parisc@vger.kernel.org, sudeep.holla@arm.com, Shawn Guo , davem@davemloft.net, dalias@libc.org, tony@atomide.com, amakhalov@vmware.com, bjorn.andersson@linaro.org, hpa@zytor.com, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, anton.ivanov@cambridgegreys.com, jonas@southpole.se, yury.norov@gmail.com, richard@nod.at, x86@kernel.org, Russell King , mingo@redhat.com, aou@eecs.berkeley.edu, paulmck@kernel.org, hca@linux.ibm.com, stefan.kristiansson@saunalahti.fi, openrisc@lists.librecores.org, paul.walmsley@sifive.com, linux-tegra@vger.kernel.org, namhyung@kerne l.org, andriy.shevchenko@linux.intel.com, jpoimboe@kernel.org, jgross@suse.com, monstr@monstr.eu, linux-mips@vger.kernel.org, palmer@dabbelt.com, anup@brainfault.org, Ivan Kokshaysky , johannes@sipsolutions.net, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Date: Wed, 06 Jul 2022 09:46:25 +0000 Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr Message-Id: List-Id: References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> In-Reply-To: <20220608144517.124597382@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Peter Zijlstra Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Hans Ulli Kroll , Linus Walleij , Shawn Guo , Sascha Hauer , Sascha Hauer , Fabio Estevam , NXP Linux Team , tony@atomide.com, khilman@kernel.org, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, bcain@quicinc.com, chenhuacai@kernel.org, kernel@xen0n.name, sammy@sammy.net, monstr@monstr.eu, tsbogend@alpha.franken.de, dinguyen@kernel.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, James.Bottomley@hansenpartnership.com, deller@gmx.de, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, jgross@suse.com, srivatsa@csail.mit.edu, amakhalov@vmware.com, pv-drivers@vmware.com, boris.ostrovsky@oracle.com, chris@zankel.net, jcmvbkbc@gmail.com, rafael@kernel.org, lenb@kernel.org, pavel@ucw.cz, gregkh@linuxfoundation.org, mturquette@baylibre.com, sboyd@kernel.org, daniel.lezcano@linaro.org, lpieralisi@kernel.org, sudeep.holla@arm.com, agross@kernel.org, bjorn.andersson@linaro.org, anup@brainfault.org, thierry.reding@gmail.com, jonathanh@nvidia.com, jacob.jun.pan@linux.intel.com, Arnd Bergmann , yury.norov@gmail.com, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk, rostedt@goodmis.org, pmladek@suse.com, senozhatsky@chromium.org, john.ogness@linutronix.de, paulmck@kernel.org, frederic@kernel.org, quic_neeraju@quicinc.com, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, joel@joelfernandes.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, jpoimboe@kernel.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-perf-users@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-xtensa@linux-xtensa.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arch@vger.kernel.org, rcu@vger.kernel.org On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: Re: [PATCH 19/36] objtool/idle: Validate __cpuidle code as noinstr Date: Wed, 6 Jul 2022 11:46:25 +0200 Message-ID: References: <20220608142723.103523089@infradead.org> <20220608144517.124597382@infradead.org> Mime-Version: 1.0 Return-path: In-Reply-To: <20220608144517.124597382@infradead.org> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Peter Zijlstra Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Hans Ulli Kroll , Linus Walleij , Shawn Guo , Sascha Hauer , Sascha Hauer , Fabio Estevam , NXP Linux Team , tony@atomide.com, khilman@kernel.org, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, bcain@quicinc.com, chenhuacai@kernel.org, kernel@xen0n.name, sammy@sammy.net, monstr@monstr.eu, tsbogend@alpha.franken.de, dinguyen@kernel.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.c On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra wrote: > Idle code is very like entry code in that RCU isn't available. As > such, add a little validation. > > Signed-off-by: Peter Zijlstra (Intel) > arch/m68k/kernel/vmlinux-nommu.lds | 1 - > arch/m68k/kernel/vmlinux-std.lds | 1 - > arch/m68k/kernel/vmlinux-sun3.lds | 1 - FWIW Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert