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 C91F2C433F5 for ; Thu, 5 May 2022 13:21:09 +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:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bAtjMzWA4H69hQgO6j2BT7r9zv05sMSVvg4Bnv02VUM=; b=VTw6qgf+7hIWe+ 76l1WlwHlqK5Ku30MGw9BfFP5HDFdMcpu7o6N6uf53Wf9J0Yt9b54R70pMuq0EKatdEOcucWSqfYh 2TkaQRNhc0WdLhVMGhjgtLegr12WfCGkVIrZ3qbXyz2EYUZWM9ZqKE8gU/Qe+PiHv6meTOUQxvu9x cmySikplfxmzK1FnLHZVYgT8H+oZXKIdGb2gPazb7qsD2GZ/UzlBnlDQ+Z83C/KOBUZv8Kyo4kIkx TYWr4MrWKeCYYNwys8cd35HTmKvvafpM+n8zATR9rK6AFUuVAs7Lr4ZSHBrwjdODN4gWh+018dZti sZOFfUG/kfQF0kHNTYqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmbOi-00G0KK-3b; Thu, 05 May 2022 13:20:00 +0000 Received: from fanzine.igalia.com ([178.60.130.6] helo=fanzine2.igalia.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmbOd-00G0IO-CC for linux-arm-kernel@lists.infradead.org; Thu, 05 May 2022 13:19:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=1DNfkVatFPseIRLRTaf5GG9N3vrErBYge1wmaOwIZns=; b=LZPrJ/vjUPasOI43ov6ddZJwu/ p0j9nUctyDj+SFAaWk7zI/PPi78KLqVLLq7RTp94cYeImH/Oz48mhUea8dNQwA1mwowWHdOQsW6Eg J9jMvU+x/33EcKgIVyWm0n8bR0BGRO5lxV56aAC+ZiKkzr7QN6HHEuJe/z6LDqeVex0+JBQrvmL32 aVZeBYzmKvwP1cTw04LEGcx5Ku3dP26Y06ygZFvgIBF4N9l3WAyf1CRHjPuNa99Apa0axXvsaCvB2 XF+dUTRht+ESY831J5TV75e00FEes8HLRzqS9eAvvPd25eOysvNknOidWwX4l6Ek+jpeGolt7tcpV USHVIKPg==; Received: from [179.113.53.197] (helo=[192.168.1.60]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1nmbOP-0001q2-IE; Thu, 05 May 2022 15:19:41 +0200 Message-ID: <3a52c5ac-e8c3-64dc-d94f-e210ccb19a70@igalia.com> Date: Thu, 5 May 2022 10:19:27 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: Should arm64 have a custom crash shutdown handler? Content-Language: en-US To: Mark Rutland Cc: "Michael Kelley (LINUX)" , Marc Zyngier , Catalin Marinas , will Deacon , Vitaly Kuznetsov , Russell King , Ard Biesheuvel , broonie@kernel.org, "linux-arm-kernel@lists.infradead.org" , linux-kernel , "linux-hyperv@vger.kernel.org" References: <427a8277-49f0-4317-d6c3-4a15d7070e55@igalia.com> <874k24igjf.wl-maz@kernel.org> <92645c41-96fd-2755-552f-133675721a24@igalia.com> <3bee47db-f771-b502-82a3-d6fac388aa89@igalia.com> From: "Guilherme G. Piccoli" In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220505_061956_568484_F1D02C01 X-CRM114-Status: UNSURE ( 9.99 ) X-CRM114-Notice: Please train this message. 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 05/05/2022 10:15, Mark Rutland wrote: > [...] > Without a strong justification, we wouldn't add such hooks to arm64. > > Could you start by trying to use the notifiers, and if you encounter a problem, > *then* we consider an alternative? That should mean we have a concrete reason. > > Thanks, > Mark. That's a good idea Mark. I'm not expert in Hyper-V - I could try that for a fact, but let's see if Michael has a strong reason on why this need to be done in arch code and panic notifiers aren't enough. Thanks, Guilherme _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel