From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793708596; b=Zou7qkKP+ncm9aO0I1Peu8ERrk090zAr9AhUzy02aPxV/gidbucl8Wt51tRw40srZU5b QRFTsUCVrNxQhX1CumTBVQ40I2YoTx6re2hJNtT/1p0edDbb1crfyppmm3Jv8y4PFgzVl 8jkjoqzPjCMhCXU0Hbyt3xfWjA/9aRsSW0QFS73o8t7ql/U3YuBvSb/ruRMrggO8XY5oB R7N38lOxjgj86cd4pe97fTyz57BA7uKodZtCsNxWkLriUn6/HF64ecRNxeKgo9Pe/KUM5 tHyAaczuQJWwcI3GYkXkrYBOrEoCu3rD+zKWQXHTfXdC8ZwzIx9+wzF10gSgadMU+JA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793708596; h=DMARC-Filter:Received:Received:DKIM-Signature:Message-ID:Date: MIME-Version:User-Agent:Subject:To:Cc:References:Content-Language: From:In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=CH7v1QYtuAIpGEme7SIV7J6uwrhadxjJXEqMvW5h55w=; b=L6jq6F2ab16w3br6XZdyCKAwFITBhpH2R17k1HjhZ7WPBs1vOeOG6sf+U1sTo4tug9C1 Y7ubJQkhVc8nYf7vSNVtI/4Kjxm83iYwevMI+ClvTs0dKSOS0CfWgtbXRuV0lbeGpawSo H92svRn1KgY7+J52VKE0AVLWbl+76tRCfX/ClJlHeKqfRTV95RKDbBuKC6y0e82VUjX4T HaO+9v882VTD8VYnhMAC1EZT1QEvM3z4QUl7cRDTDNoWokQDCZI4cLwmk5JaibXy543qe 0bzdS0AHFxQrextWjFqE5zSe7tuzJU5kLGh+CwJOUjf6ACFoVIZuK/ajEbP3sihDH9g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=jbF7EyAV; arc=none smtp.remote-ip=217.140.110.172 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7A191606A324 for ; Tue, 3 Nov 2026 12:23:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 7A191606A324 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, unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=jbF7EyAV 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 B14C11691; Tue, 3 Nov 2026 04:23:12 -0800 (PST) Received: from [10.211.55.3] (unknown [10.57.89.242]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9908A3F628; Tue, 3 Nov 2026 04:23:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1793708595; bh=S9BO58FYCbI1LYWmEmCYU6CXvki/lX9LlFi6yxqpDiQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=jbF7EyAVJr6fqxqz3iev/lFhjI3sfdc7S6aXSUt7cdtglJ+kZYzv6Q5RRAstaWy6Y PzukBrOhCYmQ0pZ7NlUgtLLrf94rKEQ5vJbIynQu5WOg9ECOoVO0CqbipqSwnGtQW6 QHs/dicXZGDzUYwV4lfuPBNTKekGnyifxq2zjguM= Message-ID: <6fd6dee4-7bf9-4fd1-9ad5-43e262dc6f32@arm.com> Date: Tue, 3 Nov 2026 12:23:12 +0000 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Thunderbird Daily Subject: Re: arm_mpam: plans for the SMMU integration series? To: Ping Li , james.morse@arm.com Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, andre.przywara@arm.com, reinette.chatre@intel.com, fenghuay@nvidia.com References: <20261103121534.532108-1-leeonion.muyu@gmail.com> Content-Language: en-US From: Ben Horgan In-Reply-To: <20261103121534.532108-1-leeonion.muyu@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Ping, On 03/11/2026 12:15, Ping Li wrote: > Hi James, Ben, > > I have recently been debugging SMMU MPAM support, and noticed the > series James has on the mpam/snapshot+extras/v6.18-rc1 branch. Is > there a plan to merge it upstream? There is interest in getting SMMU for MPAM and more generally IOMMU and device requestor in resctrl but I don't know if anyone is actively working on that at the moment. The latest thread on this topic can be found at: https://lore.kernel.org/lkml/arKx__kOPe4B5gDW@agluck-desk3/ Thanks, Ben > > Thanks, > Ping