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=-7.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 A92B1C433DB for ; Fri, 15 Jan 2021 11:34:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6938823358 for ; Fri, 15 Jan 2021 11:34:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727039AbhAOLe1 (ORCPT ); Fri, 15 Jan 2021 06:34:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:46008 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726045AbhAOLe1 (ORCPT ); Fri, 15 Jan 2021 06:34:27 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 49258221F7; Fri, 15 Jan 2021 11:33:46 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1l0NMO-007j6G-3L; Fri, 15 Jan 2021 11:33:44 +0000 From: Marc Zyngier To: David Brazdil , kvmarm@lists.cs.columbia.edu Cc: Will Deacon , linux-arm-kernel@lists.infradead.org, Catalin Marinas , kernel-team@android.com, Lorenzo Pieralisi , linux-kernel@vger.kernel.org, Sudeep Holla Subject: Re: [PATCH] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return Date: Fri, 15 Jan 2021 11:33:40 +0000 Message-Id: <161071039698.2624485.5615829758205647389.b4-ty@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201229160059.64135-1-dbrazdil@google.com> References: <20201229160059.64135-1-dbrazdil@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: dbrazdil@google.com, kvmarm@lists.cs.columbia.edu, will@kernel.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, kernel-team@android.com, lorenzo.pieralisi@arm.com, linux-kernel@vger.kernel.org, sudeep.holla@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 29 Dec 2020 16:00:59 +0000, David Brazdil wrote: > The KVM/arm64 PSCI relay assumes that SYSTEM_OFF and SYSTEM_RESET should > not return, as dictated by the PSCI spec. However, there is firmware out > there which breaks this assumption, leading to a hyp panic. Make KVM > more robust to broken firmware by allowing these to return. Applied to next, thanks! [1/1] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return commit: 2c91ef39216149df6703c3fa6a47dd9a1e6091c1 Cheers, M. -- Without deviation from the norm, progress is not possible.