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 A58C1C3ABAC for ; Fri, 2 May 2025 08:52:12 +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-Type:MIME-Version: References:In-Reply-To:Subject:Cc:To:From:Message-ID:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bsolLWnwmq4V045xBLVsir/A29+evVh2PIFacdKsTbk=; b=UyoVaDFPwf91CV+zTsW3bdcGs8 TT40ic5b7CRUKaXPojCCsoP5xbQqsEgS8YmCMfBn6YH1JCV6kx/wxx+2dR+leTv31ee66ZSFImwl2 JwBwh+Z+WHnmuGwSOOlpZpgw6GhFrBH1bOGGUAkoN+D/6h3XtJdrM4vNMOnwOrhQrPfcAW2IXYR4o EMGeENVQu5Md1ceht1u9nlJRKVXusArrsKm70oWPLd2LO4R/25i3ZIz/WPsgW50LJuBgf/2+8seZm Tr/KBbvUOZqUpA8hK1BgOiUmhCz3ZtTrhQ0GpUVEsY9/LW+cLx8au4/NAVnm9GLNGRP/3+fiuYP27 LsrUGZ/g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uAm7k-00000001Erw-1OcT; Fri, 02 May 2025 08:52:00 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uAm5O-00000001EYP-1OjK for linux-arm-kernel@lists.infradead.org; Fri, 02 May 2025 08:49:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id D9FEAA49D14; Fri, 2 May 2025 08:44:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 483B9C4CEE4; Fri, 2 May 2025 08:49:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746175773; bh=IXj90t/coI1E4Vk2Kk10Crmulx42AP2WnydDTYguq94=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=uXb/riDrmA8ILv3xURvq9XQ8m5gOYpwlRyUrhjqac2qm8e7MRYIYn8Ku2K5TwcxlB eajBlsBamob2bxIWWuasRpslRxeQXUriBZNLbIT81AE2T7/zy+VboPjxfp74DhxrgC 1H63UMiRx+6wuvnwCTgxdpFnJYl8ZaK7CDMPSGLor4hAYL1Ao9G+eALZokG7iCh/n/ DhvOdAEDjWt2EEYf4pmKmea7siQDA3zNZBNAIdeZi91m9ogqe2p0YF+CE/qF7NVzXn SARHVuoFMjLxQzmy56VrWIfHFuGwVA9hl2jOjJb1BuEiGKsd+TSgknWO2WorpldJuC /byBSNcueoLQw== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1uAm5K-00ApuN-Mx; Fri, 02 May 2025 09:49:30 +0100 Date: Fri, 02 May 2025 09:49:30 +0100 Message-ID: <86plgrgzxh.wl-maz@kernel.org> From: Marc Zyngier To: Per Larsen Cc: linux-kernel@vger.kernel.org, "qperret@google.com" , "sebastianene@google.com" , kernel-team@android.com, "will@kernel.org" , "sudeep.holla@arm.com" , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, "catalin.marinas@arm.com" , yuzenghui@huawei.com, Armelle Laine , arve@android.org Subject: Re: [PATCH 2/3] KVM: arm64: Bump the supported version of FF-A to 1.2 In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: perl@immunant.com, linux-kernel@vger.kernel.org, qperret@google.com, sebastianene@google.com, kernel-team@android.com, will@kernel.org, sudeep.holla@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, catalin.marinas@arm.com, yuzenghui@huawei.com, armellel@google.com, arve@android.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250502_014934_433237_4074D608 X-CRM114-Status: GOOD ( 15.56 ) 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 Fri, 02 May 2025 04:53:51 +0100, Per Larsen wrote: > > FF-A version 1.2 introduces the DIRECT_REQ2 ABI. Bump the FF-A version > preferred by the hypervisor as a precursor to implementing the 1.2-only > FFA_MSG_SEND_DIRECT_REQ2 and FFA_MSG_SEND_RESP2 messaging interfaces. > > We must also use SMCCC 1.2 for 64-bit SMCs if hypervisor negotiated FF-A > 1.2, so ffa_set_retval is updated and a new function to call 64-bit smcs > using SMCCC 1.2 with fallback to SMCCC 1.1 is introduced. > > Update deny-list in ffa_call_supported to mark FFA_NOTIFICATION_* and > interfaces added in FF-A 1.2 as unsupported lest they get forwarded. > > Signed-off-by: Ayrton Munoz > Signed-off-by: Per Larsen > Signed-off-by: Per Larsen Who is the author of this patch? Please follow the documentation when it comes to patch attribution. M. -- Without deviation from the norm, progress is not possible.