From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF01A22A7F8; Fri, 2 May 2025 08:49:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746175774; cv=none; b=k3OyvAiTgbiXPq9bDknBGMnsKZ5NkbIKBTNpSYfPkFLIerASMXQhHov1dNGGPKdwuD0apxUaEQdU8k9rdN9CSzJoif+PAP7LBJ4UKdpnfAqXnGu5PcncV1E5l/OwdNE2Nb69T9xRL3L+3z4vUF2PfHh1e3Pf6Irrw8f1RNXHMfY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746175774; c=relaxed/simple; bh=IXj90t/coI1E4Vk2Kk10Crmulx42AP2WnydDTYguq94=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=Pdpc8tBC6O/Vi38wEIaadXkMz4wFaToldzAms4TEvaA/L7hfQ0gWPrlVrlyz6pbI2NpHELzu8ryrPogQzA9ghsJYJd1q6QfbAG0EwZGEDVZkPw6J7leGDb/c4q41u2s4GMKLg4bDsatGBYa2Oged7fI7hpstql7Ys8F9HPP+JLM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uXb/riDr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uXb/riDr" 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) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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.