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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6D245C433EF for ; Thu, 23 Jun 2022 17:33:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=rE+xxl1wfGjasurGXBInY0gYcQs9Me9JqaDz9E9zjbA=; b=ursd5cpvOmE9Pv K+nt7SB51unPWpIe9Fx77OMn6oXG1JLq5cWn0D6EuGYISHx51CUHRmbYMUx9NkrluBf7uPolWSqpG RjxtjT10K83aRJ0ruLMNfY7u5PeSbx6wVJUfyP16lXGq/tRwIm1BX7GRxXw8toGYof6J9fc2cIj3P 8WmT1e9OqGqrNwq/d8zDKj40DgvDiC75D2hGTGr84vRKnSCHcDk66pGnN49++MGrImUZ8aP3BSjUs EzIbnz7VsUu1tpGefNnvhHpp4lY0WHALYWnNuEJmgsHbXrEPu60nG6CzScUWQZWfU7dPTwMjN9qG8 fpT1akaASZHT34+37bgQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4Qh2-00G7dS-Ql; Thu, 23 Jun 2022 17:32:36 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4Qgz-00G7cr-PQ for linux-arm-kernel@lists.infradead.org; Thu, 23 Jun 2022 17:32:35 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3ADB4B824B5; Thu, 23 Jun 2022 17:32:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96489C3411B; Thu, 23 Jun 2022 17:32:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656005550; bh=xS5bTc1MsmHGImv72JQWAcFG10Epd36XcMvUP2BXrNk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JwXAe0J7Ahxl51Q2WLwL/uSc4cevEKW5A/ASz4goNqi+H7gql9mC0MvLlYbfZCYRf IAf7XJcBbh1mnkplTk3CA4+r1vZt7T4+xjiif2UW6th6RYBRynU3Of8KsM8XseZI43 qyUIrj7E/HwmHrFN8I2etEOpTDo7C0Z2YJIHwQlt1ccv4rNBGhiqJFX7g+2e2b0Kv1 zLwz3rd4rJrkZahrDGLmEVIjMhyuUiToaEdEyImKZKKbx/s4LBxhd3bAqLSaLrzDi/ 2F5qd9ZvkPnpOdU8axbzYiRs2teZxYuX6u8weONfExEHW6kBPibE09935D49T21hHE z+gg0TP2cYX4w== Date: Thu, 23 Jun 2022 18:32:24 +0100 From: Will Deacon To: madvenka@linux.microsoft.com Cc: broonie@kernel.org, mark.rutland@arm.com, jpoimboe@redhat.com, ardb@kernel.org, nobuta.keiya@fujitsu.com, sjitindarsingh@gmail.com, catalin.marinas@arm.com, jamorris@linux.microsoft.com, linux-arm-kernel@lists.infradead.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v15 0/6] arm64: Reorganize the unwinder and implement stack trace reliability checks Message-ID: <20220623173224.GB16966@willie-the-truck> References: <20220617210717.27126-1-madvenka@linux.microsoft.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220617210717.27126-1-madvenka@linux.microsoft.com> 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-20220623_103234_004211_30C14398 X-CRM114-Status: GOOD ( 13.41 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Jun 17, 2022 at 04:07:11PM -0500, madvenka@linux.microsoft.com wrote: > From: "Madhavan T. Venkataraman" > > I have synced this patch series to v5.19-rc2. > I have also removed the following patch. > > [PATCH v14 7/7] arm64: Select HAVE_RELIABLE_STACKTRACE > > as HAVE_RELIABLE_STACKTRACE depends on STACK_VALIDATION which is not present > yet. This patch will be added in the future once Objtool is enhanced to > provide stack validation in some form. Given that it's not at all obvious that we're going to end up using objtool for arm64, does this patch series gain us anything in isolation? Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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 3FE54C433EF for ; Thu, 23 Jun 2022 18:31:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237214AbiFWSbB (ORCPT ); Thu, 23 Jun 2022 14:31:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236103AbiFWSat (ORCPT ); Thu, 23 Jun 2022 14:30:49 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81E9081C5B; Thu, 23 Jun 2022 10:32:32 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BD5C261F61; Thu, 23 Jun 2022 17:32:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96489C3411B; Thu, 23 Jun 2022 17:32:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656005550; bh=xS5bTc1MsmHGImv72JQWAcFG10Epd36XcMvUP2BXrNk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JwXAe0J7Ahxl51Q2WLwL/uSc4cevEKW5A/ASz4goNqi+H7gql9mC0MvLlYbfZCYRf IAf7XJcBbh1mnkplTk3CA4+r1vZt7T4+xjiif2UW6th6RYBRynU3Of8KsM8XseZI43 qyUIrj7E/HwmHrFN8I2etEOpTDo7C0Z2YJIHwQlt1ccv4rNBGhiqJFX7g+2e2b0Kv1 zLwz3rd4rJrkZahrDGLmEVIjMhyuUiToaEdEyImKZKKbx/s4LBxhd3bAqLSaLrzDi/ 2F5qd9ZvkPnpOdU8axbzYiRs2teZxYuX6u8weONfExEHW6kBPibE09935D49T21hHE z+gg0TP2cYX4w== Date: Thu, 23 Jun 2022 18:32:24 +0100 From: Will Deacon To: madvenka@linux.microsoft.com Cc: broonie@kernel.org, mark.rutland@arm.com, jpoimboe@redhat.com, ardb@kernel.org, nobuta.keiya@fujitsu.com, sjitindarsingh@gmail.com, catalin.marinas@arm.com, jamorris@linux.microsoft.com, linux-arm-kernel@lists.infradead.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v15 0/6] arm64: Reorganize the unwinder and implement stack trace reliability checks Message-ID: <20220623173224.GB16966@willie-the-truck> References: <20220617210717.27126-1-madvenka@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220617210717.27126-1-madvenka@linux.microsoft.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 17, 2022 at 04:07:11PM -0500, madvenka@linux.microsoft.com wrote: > From: "Madhavan T. Venkataraman" > > I have synced this patch series to v5.19-rc2. > I have also removed the following patch. > > [PATCH v14 7/7] arm64: Select HAVE_RELIABLE_STACKTRACE > > as HAVE_RELIABLE_STACKTRACE depends on STACK_VALIDATION which is not present > yet. This patch will be added in the future once Objtool is enhanced to > provide stack validation in some form. Given that it's not at all obvious that we're going to end up using objtool for arm64, does this patch series gain us anything in isolation? Will