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[2620:137:e000::1:20]) by mx.google.com with ESMTP id o20-20020a170906775400b006cfea3fc8e2si1459540ejn.415.2022.03.09.08.21.54; Wed, 09 Mar 2022 08:22:18 -0800 (PST) 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=@linux.microsoft.com header.s=default header.b=sFllom38; 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=linux.microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233910AbiCIPgB (ORCPT + 99 others); Wed, 9 Mar 2022 10:36:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233869AbiCIPf7 (ORCPT ); Wed, 9 Mar 2022 10:35:59 -0500 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8898C159294; Wed, 9 Mar 2022 07:35:00 -0800 (PST) Received: from [192.168.254.32] (unknown [47.189.24.195]) by linux.microsoft.com (Postfix) with ESMTPSA id 77DC220B7178; Wed, 9 Mar 2022 07:34:59 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 77DC220B7178 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1646840100; bh=dB1K0ZwGrg+HvxpbL6qUnjdr8grOY0ZQJDOVuW9N3Co=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=sFllom38SHSpNWowxpHJXybN92PrbdJINamo/Nix55dwRs7bnNb8PVTb7j2ROrB4H xnxrjatiYQ2ZrFKMnmpgHgYQZD4oXi1i0kdJckVwPw/8WzHvbKV0eBY+lzf3+2wr15 19BNhxW2NJGCd37Xolwu39xCzPzY/BElmjqewE/Q= Message-ID: <416e0757-46fe-b290-cb8b-cd766f9cbdb6@linux.microsoft.com> Date: Wed, 9 Mar 2022 09:34:58 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v13 06/11] arm64: Use stack_trace_consume_fn and rename args to unwind() Content-Language: en-US To: Mark Brown Cc: Mark Rutland , jpoimboe@redhat.com, ardb@kernel.org, nobuta.keiya@fujitsu.com, sjitindarsingh@gmail.com, catalin.marinas@arm.com, will@kernel.org, jmorris@namei.org, linux-arm-kernel@lists.infradead.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org References: <95691cae4f4504f33d0fc9075541b1e7deefe96f> <20220117145608.6781-1-madvenka@linux.microsoft.com> <20220117145608.6781-7-madvenka@linux.microsoft.com> <845e4589-97d9-5371-3a0e-f6e05919f32d@linux.microsoft.com> From: "Madhavan T. Venkataraman" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-19.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,ENV_AND_HDR_SPF_MATCH,NICE_REPLY_A, RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE, USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL 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 3/9/22 05:47, Mark Brown wrote: > On Tue, Mar 08, 2022 at 04:00:35PM -0600, Madhavan T. Venkataraman wrote: > >> It is just that patch 11 that defines "select >> HAVE_RELIABLE_STACKTRACE" did not receive any comments from you >> (unless I missed a comment that came from you. That is entirely >> possible. If I missed it, my bad). Since you suggested that change, I >> just wanted to make sure that that patch looks OK to you. > > I think that's more a question for the livepatch people to be honest - > it's not entirely a technical one, there's a bunch of confidence level > stuff going on. For example there was some suggestion that people might > insist on having objtool support, though there's also substantial > pushback on making objtool a requirement for anything from other > quarters. I was hoping that posting that patch would provoke some > discussion about what exactly is needed but that's not happened thus > far. Understood. In that case, I will remove that patch because it is not really required for my current work on the unwinder. I will bring this up later in a different patch series where it will trigger a discussion. Thanks. Madhavan