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 070A4C83F26 for ; Tue, 29 Jul 2025 16:07:33 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From: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=55QsVB1CWAv02YXQ0txILTMB68WgGo9Gi2xLiky7jSI=; b=Hj9r80OoAE0EzZ/ChkMNWy7nem CKJ5IaQOiSzJU1bS6jMCIweTV7sh7qoa0MPisI2telj/6GjLDXbGlI/kBGTUf3sZXQX8A7b1QgeBN YITHs25POUfrT55PoGSoKooDsBlgJZXoMNTg792X6bVzll2VYCgzga04sHMZlZ7E9m/GApm0bNoVt X/eDrLodz7Wl+shnYAbJsybLPqh8CTOpx1r5Hw0rXfyHeTWLatqYRZDc1oxGnEQad68mw4OJ17Rcu 0XvabfnolozB9ySJClcnTY55smru5tZG7AJe0KOeW4erYLvqdWiTBG5J8Dgh1/rDTTu09z+1ox1Zu 6Gi0Z4nw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ugmrO-0000000HE2T-3uVA; Tue, 29 Jul 2025 16:07:26 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ugmWi-0000000HAyT-0RhL for linux-arm-kernel@lists.infradead.org; Tue, 29 Jul 2025 15:46:05 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id F1EEC44D8C; Tue, 29 Jul 2025 15:46:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8581C4CEEF; Tue, 29 Jul 2025 15:45:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753803962; bh=4YBP7bjTmcEyufPY9qHcuguK4GFCavlwRWIMbl06Fws=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YhtoCGBap7n8cNG4zP6qLlRI20uQk5TgWxoGGHrnY5t4jncdHWAnQhas2rIbNv2fI /qTDwZWbw7Y1C22F4eJX8mx1Zl6dGXY3TbCEy4cNgEkrsQIztDR/tUdHt4bGyfhXWp oS3DhCkMamKECE3hWtgNzznDphfwhoFls/h+BOeeO/lptpwkx8nTjJzqJ7uIiqNWec E5CssrhjQeOLeBS8p+HApEEZ4nutWdGXIiUgpAduDD/m0xIMJ1yp0LR2RqccN2rgye tJh7IGVHqcTfs5soP4Gb9Sp/HyMLfWF4nvpWgfs9/RfRrEHn06XvZdDnC/MN5kGjnJ MITaUJ7vPj0OQ== Date: Tue, 29 Jul 2025 16:45:56 +0100 From: Will Deacon To: perlarsen@google.com Cc: Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Sudeep Holla , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, ahomescu@google.com, armellel@google.com, arve@android.com, ayrton@google.com, qperret@google.com, sebastianene@google.com, qwandor@google.com Subject: Re: [PATCH v8 4/7] KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported Message-ID: References: <20250719-virtio-msg-ffa-v8-0-03e8e8dbe856@google.com> <20250719-virtio-msg-ffa-v8-4-03e8e8dbe856@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250719-virtio-msg-ffa-v8-4-03e8e8dbe856@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250729_084604_163733_DA6FB4B6 X-CRM114-Status: UNSURE ( 9.48 ) X-CRM114-Notice: Please train this message. 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, Jul 19, 2025 at 02:11:26AM +0000, Per Larsen via B4 Relay wrote: > From: Per Larsen > > Update ffa_call_supported to mark FF-A 1.2 interfaces as unsupported > lest they get forwarded. FFA_MSG_SEND_DIRECT_REQ2 is not marked as > unsupported because a later patch in this series adds support. Please add it as unsupported as well. Then the subsequent patch which adds support can remove it again, that way the series is bisectable and if (for some reason) only this patch gets backported then it won't cause any problems. Will