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 094C2C982FA for ; Wed, 23 Sep 2026 08:38:50 +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:Cc:To:From: Subject:Message-ID:References:Mime-Version:In-Reply-To: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=/rrd89OsQ/qKLyQdREPNPgMGcGQacoElL1Au38Xxqk8=; b=QqhyE1t3t/aayc7SyIbe4pd0LR IqWbH1fLPhjMQQH+RjUMDkVDplY1Dk44LKRLxvXkI9z3IrjNLGYD/1vKhR/q3EGJLSc13KgVuU503 ji/GFS+UjcMS6Zz/f60D/riUr1csYxImq8xZ/8tOhOq1uwlx0YY4pjNPkZlhtZdR7tEE6NZZQGitJ eDNE2G+2ftRM8KL6AD74YShVBQhdchLOwvh9xx4ncVakqev9hD8xn5Nw9hEv2uox4kgh9MI36y8iB stZGE4TkeuowwueIrjzPGxtpJKK+4hFfKV4f1aJz8yHCNjjDKORrbbqq2BlAsUPoD0MunojQ8sPU2 8b1yw8Dw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9IV1-00000007YlO-2dVm; Wed, 23 Sep 2026 08:38:43 +0000 Received: from mail-ed1-x546.google.com ([2a00:1450:4864:20::546]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9IUz-00000007Ykk-3oeA for linux-arm-kernel@lists.infradead.org; Wed, 23 Sep 2026 08:38:42 +0000 Received: by mail-ed1-x546.google.com with SMTP id 4fb4d7f45d1cf-6a642d690caso976298a12.2 for ; Wed, 23 Sep 2026 01:38:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1790152719; x=1790757519; darn=lists.infradead.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=/rrd89OsQ/qKLyQdREPNPgMGcGQacoElL1Au38Xxqk8=; b=U57MkoYTo9jnf7wj2OZnQybzI7QfdEh9I/0I6vU9cT+s2jspbItkc35jWfh2H9RL+n MxJKTunYoHkejurRD0WA/OUA5LcuNV/8pUT+ReoGKH4M3cHm+4Tb8a8Bra6BwGN766gu Mfs2GFpxluvfmVR+l1iN02SUfW8obPAyUbWLQuAqS0la/qk8oL7GbtuW8WyiFLvEGdrx gBGkVeA063zbuJQvXV8dkjYI13Zj/4WSyOh820mm6TnJppep92WTxvG6JTGWJXWxgYbu oSTZ7MSjsm6buSkPsSuvt7LMgtvsNloNHvhNZ+hRtQW9u6w0cFptWVS2wFNPx2Nems4G 9gqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790152719; x=1790757519; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=/rrd89OsQ/qKLyQdREPNPgMGcGQacoElL1Au38Xxqk8=; b=cxLJgKF4cGZB3t8XLaKImox6yjb4P+04qxu2V2nBaszCjdkJy5Jliolsxx8XzfaJ2G TR0B9BOG5AL9w6tmOSZerKBqnhUqqv4o+WbZ2SQkuyhWnXMxlEYiGYKfKaBhkr8tSNuU +M3/CZUqpn3e4LdpTWWbgai7jrHZQd29k26XYFvZXfBrs0ogu100NKcCBCgbwdHV9ciY BWmK+L4Vs8DZGJf/6R+QSA7No6ZXu6Aq61AFesnCXf7FXgwr60Zt3WDAYOIihewzMBJK a62U1hGkf6Dqsp1wvu2f9inu97oAybXKIHugzOo9JOwYEo8ASfA1pm13RvOogwtvqag0 gbHQ== X-Forwarded-Encrypted: i=1; AKwUvBzcdCfexZ/+UtsPxJyKAYhrQkWelXTPadU/UAGrRT93CKNDsMHjaeM7cRMbJf0zAEYdOvvNn1zyw1acsEDZ4dwL@lists.infradead.org X-Gm-Message-State: AFuF++mVTbHJjWFkNiji5BH9SP0bw6cow6jAmiMnjFWFaVqlWsiX1mmE u9p2zr5u4tvV4u9W2zeVJBc8/SY9fVbPS/nlMZuIy4dWdX/Q9FRpMZuipl4WfsYyUVbxsjvHoTn Z1XHVk+/j8tlwjfFsqnqtyJZ/cA== X-Received: from edxs16.prod.google.com ([2002:a05:6402:1650:b0:6aa:12fd:fc3b]) (user=snehalreddy job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6402:23c7:b0:6aa:9fd4:987a with SMTP id 4fb4d7f45d1cf-6aab3b985dcmr1498844a12.20.1790152719283; Wed, 23 Sep 2026 01:38:39 -0700 (PDT) Date: Wed, 23 Sep 2026 08:38:37 +0000 In-Reply-To: <20260922-chubby-cicada-of-exercise-bbb429@sudeepholla> Mime-Version: 1.0 References: <20260922-chubby-cicada-of-exercise-bbb429@sudeepholla> X-Mailer: git-send-email 2.56.0.rc1.315.gc6ed9934b7-goog Message-ID: <20260923083837.4133676-1-snehalreddy@google.com> Subject: Re: [PATCH 1/2] firmware: arm_ffa: Add FFA_FN64_MEM_RECLAIM2 function ID From: Snehal Koukuntla To: Sudeep Holla Cc: Marc Zyngier , Oliver Upton , Catalin Marinas , Will Deacon , Vincent Donnefort , Fuad Tabba , Joey Gouly , Suzuki K Poulose , Mark Rutland , Sebastian Ene , Mostafa Saleh , Snehal Koukuntla , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260923_013841_955377_D6205E53 X-CRM114-Status: GOOD ( 13.09 ) 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 Hi Sudeep, On Tue, Sep 22, 2026 at 01:15:52PM +0100, Sudeep Holla wrote: > On Mon, Sep 21, 2026 at 04:47:47PM +0000, Snehal Koukuntla wrote: > > FF-A v1.3 ALP5 (DEN0140 rev J) introduces the optional FFA_MEM_RECLAIM2 > > (0xC4000091) ABI, which enables an Owner to reclaim exclusive access to > > a subset of pages of a memory region without requiring the Relayer to > > maintain intermediate transaction state. > > > > Add the FFA_FN64_MEM_RECLAIM2 function ID definition to arm_ffa.h. > > > > Since the spec is still at ALPHA, I suggest to add RFC in the subject > if you post newer version so that it is *NOT* considered for merging > until spec reaches *BETA*. Makes sense, I will mark v2 with [RFC PATCH v2] in the subject. Thanks, Snehal