From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 22BD022D4E9; Sat, 3 Oct 2026 05:57:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791007050; cv=none; b=tUcEqt+KK7KIT2BHc59u0gX6eWLQjzzWoOnekMJy1lClP9Pj/OoyFDZce7uj3+FiJvMW5d4EU7Sb2+4M2u66z1lBFYqfjh05i9WYiv4y+bQi+uRQ6zbXQ17Q/pJxK9KKTNjNE5Ce8SeB8/YB0L/YdAySOCSM3gRZNcsHmDOivF8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791007050; c=relaxed/simple; bh=tFDkya3P/yKLJCp1gICFrurPqs3+IzYRZ7NfNR2Iomo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gtg2iDqgt84VJV3wBRTm8PAbTtLILT2xLiGhxE2azrw3+Vlh9qVfmNskP/OpYugfkW+Jm9fbm64P4AKvuOoc6HJp6HAfqpy6G1pdx7Oh0577IouLRhyiIEP6ryEEgwX2TCIQmJzuM2qqDrMIZm77XsLk7RaRsOXhzr4Xe6b9w7U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=bnit/Ug3; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="bnit/Ug3" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BD65A2F; Fri, 2 Oct 2026 22:57:23 -0700 (PDT) Received: from [10.57.8.170] (unknown [10.57.8.170]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 89EEB3F85F; Fri, 2 Oct 2026 22:57:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1791007047; bh=tFDkya3P/yKLJCp1gICFrurPqs3+IzYRZ7NfNR2Iomo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=bnit/Ug3xfN4z/vm7IHCCvu/yhzCUCP2bfUgXXkrVejTIQk3nwQaE9o+lhUm+0OSB 9pJJtzlOIpii1/BjB6NI+OdW/Tsb9O7Hxz/K6vPWvuJRiV814decK32VCBnJfnL24W hwCtS+hiUsp1YeQrX9W3rXlmXbrHVgi8SgQiDOlw= Message-ID: Date: Sat, 3 Oct 2026 06:57:18 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v22 00/10] firmware: arm_rmm: Add RMM v2.0 base RMI support Content-Language: en-GB To: Catalin Marinas , kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: Will Deacon , maz@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, steven.price@arm.com, aneesh.kumar@kernel.org, oupton@kernel.org, gshan@redhat.com, joey.gouly@arm.com, yuzenghui@huawei.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, sdonthineni@nvidia.com, alpergun@google.com, fj0570is@fujitsu.com, WeiLin.Chang@arm.com, lpieralisi@kernel.org, enju.kohei@fujitsu.com, jonathan.cameron@oss.qualcomm.com, Fuad Tabba , Sudeep Holla , rafael@kernel.org References: <20261002061507.1600269-1-suzuki.poulose@arm.com> <179096683487.2356212.5555509708136944708.b4-ty@b4> From: Suzuki K Poulose In-Reply-To: <179096683487.2356212.5555509708136944708.b4-ty@b4> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 02/10/2026 19:49, Catalin Marinas wrote: > On Fri, 02 Oct 2026 07:14:56 +0100, Suzuki K Poulose wrote: >> This series adds the generic firmware layer for talking to the Realm >> Management Monitor (RMM), as specified by the RMM v2.0-bet3 >> specification[1]. It is the first part of the Arm CCA host support that >> was previously posted as part of the larger KVM series. >> >> The split allows this RMM support to be used as a base for other work, >> including Aneesh's PCI IDE support with Arm CCA RMM as the TSM, >> without depending on the KVM Realm support that will follow as separate >> series. (See more on that below) >> >> [...] > > Applied to arm64 (for-next/fw-rmi), thanks! > > Rafael, I took the liberty of merging patch 7 below adding an arch > hibernation hook needed for arm64 (I changed the subject as well to > PM: ...). > > For now the RMI is default off. We should only make it default y when we > have a deferred activation gated by kvm rmm option (or PCIe?). > > There are a few typo fixes, some reordering of the Kconfig and Makefile > entries to preserve a somewhat alphabetical order. No functional change > though. Thank you Catalin ! Much appreciated. Cheers Suzuki > > [01/10] firmware: arm_rmm: Add SMC definitions for calling the RMM > https://git.kernel.org/arm64/c/9e201043cbd2 > [02/10] firmware: arm_rmm: Check for RMI support at init > https://git.kernel.org/arm64/c/24657f2ce536 > [03/10] firmware: arm_rmm: Configure the RMM with the host's page size > https://git.kernel.org/arm64/c/a0382431a0fe > [04/10] firmware: arm_rmm: Add support for SRO > https://git.kernel.org/arm64/c/bc1360cabe27 > [05/10] firmware: arm_rmm: Activate the RMM > https://git.kernel.org/arm64/c/fa193c502990 > [06/10] firmware: arm_rmm: Ensure the RMM has GPT entries for memory > https://git.kernel.org/arm64/c/c20b65a03eff > [07/10] kernel: hibernate: Add an arch hook for preventing hiberation > https://git.kernel.org/arm64/c/5487bff69b85 > [08/10] arm64: Block hibernate and kexec while RMM is active > https://git.kernel.org/arm64/c/fe4a24613bc2 > [09/10] firmware: arm_rmm: Add wrappers for Realm related RMI commands > https://git.kernel.org/arm64/c/c4a16839abb1 > [10/10] firmware: arm_rmm: hotplug: Skip memory added to ZONE_MOVABLE > https://git.kernel.org/arm64/c/06898e5320b5