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 93471D767F4 for ; Thu, 31 Oct 2024 17:59:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bWtV3C7i/G3T+slJBVyjKo2SBOT6MrCS/c6nAmcFKU8=; b=Nm06h0yN1i1iecvlioeqiy6ILi ComEe65OyvC7Pm5D6OsJVCf6VORJR1n53s0XfnxqQPsEdkD2pdw8uqvJZicPWCEx3sz0Qx1eg/yoB hD0aKjx4tVAm8Yq2F/XwsjM3lN4JqQxrCweDrS7Tzi6G18aQOUr7qFOwaLfxLkzfxJCHZPSuMh609 Ork4vgRkKgz8ko2zErQLpy9nes12iIhK3uvnZ7kw8Yr9xSBmk6bN7rw6Uds0VNNQ9lGGFqBXKSXGg yMvM/JTH2FUrgYsnZm0ETXhVXIyT9gdFBLcvxO/t41Qpx4+VGJxD9gWVvzKeJqGr16Vdf4dsfZDZq 2foDOYtg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t6ZSN-00000004QeY-010G; Thu, 31 Oct 2024 17:59:39 +0000 Received: from out-180.mta1.migadu.com ([95.215.58.180]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t6ZQ7-00000004Q8L-2CWs for linux-arm-kernel@lists.infradead.org; Thu, 31 Oct 2024 17:57:21 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1730397432; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bWtV3C7i/G3T+slJBVyjKo2SBOT6MrCS/c6nAmcFKU8=; b=XvOSQQTywyn8PCw6xWHtz1OrMtjHLRWt92nbzaZvZKYHrN31c8h6b8bI7KThzcdghDdNWP YYuFi56kPBEGeWUalckQgnAzJVNB2STUmA84eliFRc3Rq7w4FovNH2mvo1MqIcxGuF6HRB hIv2QMaIVOKAYrQ9wt2bRNq0OqomD7w= From: Oliver Upton To: linux-arm-kernel@lists.infradead.org, Catalin Marinas , Pavel Machek , Paolo Bonzini , Will Deacon , Len Brown , Shuah Khan , linux-kselftest@vger.kernel.org, kvmarm@lists.linux.dev, David Woodhouse , Lorenzo Pieralisi , Mark Rutland , Francesco Lavra , linux-pm@vger.kernel.org, David Woodhouse , Jonathan Corbet , kvm@vger.kernel.org, "Rafael J. Wysocki" , Miguel Luis , linux-kernel@vger.kernel.org, James Morse , Marc Zyngier , linux-doc@vger.kernel.org, Zenghui Yu , Suzuki K Poulose Cc: Oliver Upton Subject: Re: (subset) [PATCH v6 0/6] Add PSCI v1.3 SYSTEM_OFF2 support for hibernation Date: Thu, 31 Oct 2024 17:56:58 +0000 Message-ID: <173039739006.2928363.16193131105108954688.b4-ty@linux.dev> In-Reply-To: <20241019172459.2241939-1-dwmw2@infradead.org> References: <20241019172459.2241939-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241031_105719_791811_778543FA X-CRM114-Status: GOOD ( 10.52 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, 19 Oct 2024 18:15:41 +0100, David Woodhouse wrote: > The PSCI v1.3 spec (https://developer.arm.com/documentation/den0022) > adds support for a SYSTEM_OFF2 function enabling a HIBERNATE_OFF state > which is analogous to ACPI S4. This will allow hosting environments to > determine that a guest is hibernated rather than just powered off, and > ensure that they preserve the virtual environment appropriately to > allow the guest to resume safely (or bump the hardware_signature in the > FACS to trigger a clean reboot instead). > > [...] Thanks Catalin for the ack, as promised: Applied to kvmarm/next, thanks! [6/6] arm64: Use SYSTEM_OFF2 PSCI call to power off for hibernate https://git.kernel.org/kvmarm/kvmarm/c/3e251afaec9a -- Best, Oliver