Received: by 2002:a05:6a10:2785:0:0:0:0 with SMTP id ia5csp296253pxb; Fri, 15 Jan 2021 03:36:06 -0800 (PST) X-Google-Smtp-Source: ABdhPJwQXFI3vHNSDFxSG4sWnDOvkoW37vIP1CbHJEjooZQQ98BrVG/03qHiFcbQz5yxA1tfBfY8 X-Received: by 2002:a05:6402:34c5:: with SMTP id w5mr9235382edc.65.1610710566628; Fri, 15 Jan 2021 03:36:06 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1610710566; cv=none; d=google.com; s=arc-20160816; b=cA0PGZ9wkFlZIgBdCSkZsbW6cZU9JDvwWJCJZ2LuRrGyVcAqTHJQ3aUrjDlSAhivs2 Szvw80zIvNJTU+z2fk0nESjIo/AIWTu1FprVcyyJfJ5YKJ8E+GFDPXz/e9Cix69Nxv2v LvP8Apzb+1mWffDeTWYLccLH8xx1HbXklRoKoBqhk8p3i360Xiod3oOYOEsJbPrB6uja LbTg1ylaHZXYRi8xz7lGzkR/QX2dZRB+wFY1BJHBJFU5wABSUHubJCqEJC8XvL48PVIq 6+Hbun+3nAbv8+Vpkk5E3BOJ52QLGHeaGP2KtQy2tnUsd0vh2f78PuNfydi7X45Ube7e 4OYQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=A1t5hPzrJRHunq2GGkQO9wED13a4ViZosRGb2U1pZQQ=; b=KNrMYl9oi+uMjN6oCpJ6yiacpuRZRaYzdPApai1SXjQP/ENb5tyG/PbIqrvcJ7uWTB yRwrYA/GF5C/Zlxr0JSrM8AE+z0KAfFW9inc5UJl9pmx2VyEvHBtNIhUuFTaznyg8EvQ /G5ZHmUvHXmYAK2QfEZZococDCu83OTdyQZUKNj35su+ULf03R1oc6GnUAI2UXa0pK1N YHbsBaBpVZGfC9O6dUo3pOXXfBC7zQiwRym/cyMm7uiD9ubZAwjc4AestjkOPcjB55q7 tltxEgt9sDaDH3zLadHLih3gpX5JsW1RJQtCFApM+XlAnZ1TXUc1mBS1BEF8izK5EffB hNBg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id hh2si3580230ejb.627.2021.01.15.03.35.42; Fri, 15 Jan 2021 03:36:06 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726981AbhAOLe1 (ORCPT + 99 others); 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.