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 0AE3FC5516D for ; Fri, 31 Jul 2026 17:53:11 +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-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=AtWUoXaA/r3VYJ+M1qXYdvPAmgeHsXRaRHj+/f6cQog=; b=A4D6JF/LYKH+ryvVMUoyu+Ibae Gq5bx5PIg3tQ41h0YTTniR0jag34uWGZUQk45IGL4pb3UglIQQFJ+xRvJuVtk0kl5YTRv/C/yFNUH 3DVQp46rSdv+OSfEpeJ5TBcbZxBhmTw/2YW0xluoX8k03WJFDESB19p7nzONiRNSofXGvzaYY1t+2 xOuiEI5BYxo+4Gvpg3n79RJcD3dT8+TrmkPxevTqb06I3jbPw3xGKtpCwmf6wF7UX0/Fom6EBUkG6 n/65BxpcRM+G8ZbLo3DnFS70oxK4IUdep5EvUwPRAC+oFqSs2Fp1qpnN1hiMUDKmRWcGHbUsEolPe X2NZ2Fnw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wprPp-0000000DIY1-0mQR; Fri, 31 Jul 2026 17:53:01 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wprPm-0000000DIXF-3IhY for linux-arm-kernel@lists.infradead.org; Fri, 31 Jul 2026 17:52:59 +0000 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 909851595; Fri, 31 Jul 2026 10:52:52 -0700 (PDT) Received: from e134344.cambridge.arm.com (e134344.arm.com [10.2.212.8]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D97273F66F; Fri, 31 Jul 2026 10:52:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1785520376; bh=JZXnukZGCrDI/usIN11DGn1TTGj+vrTYbZXaelRizx4=; h=From:To:Cc:Subject:Date:From; b=NnGZDnR1Gvxe70feUzWr+cAE43a7sPN7zFWjfthmaMyYv27te4veOfT1glshI787k qMNRtlTT73oKW3Q4ynFyPW+/RHWw9mkUHY4OIcfbQlvBCl3pPbq83jsRD54varhP5d 5kWXaZeA+vriIDjriRIw8Jw0/JABI13RJqz5MF7k= From: Ben Horgan To: ben.horgan@arm.com, will@kernel.org Cc: james.morse@arm.com, fenghuay@nvidia.com, linux-arm-kernel@lists.infradead.org, andre.przywara@arm.com, gshan@redhat.com, tan.shaopeng@jp.fujitsu.com, sdonthineni@nvidia.com, jonathan.cameron@oss.qualcomm.com Subject: MPAM changes for v7.3 Date: Fri, 31 Jul 2026 18:52:37 +0100 Message-ID: <20260731175243.904730-1-ben.horgan@arm.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260731_105258_890186_7166BC95 X-CRM114-Status: UNSURE ( 8.58 ) 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 Hi Will, Please find the MPAM changes for v7.3 in this collected series. I hope this is more convenient than my last pull request for the fixes. This combines the MPAM abmc emulation series and a fix for an Nvidia quirk which: Make MPAM memory bandwidth counters usable by hooking them to resctrl's counter assignment interface. Fix a quirk in the MPAM bandwidth counting on an Nvidia to also apply to 63 bit counters. The changes can also be found at: git@git.gitlab.arm.com:linux-arm/linux-bh.git mpam_v7.3 Thanks, Ben Ben Horgan (2): arm_mpam: resctrl: Pre-allocate assignable monitors arm64: mpam: Add memory bandwidth usage (MBWU) documentation James Morse (3): arm_mpam: resctrl: Pick classes for use as MBM counters arm_mpam: resctrl: Add resctrl_arch_config_cntr() for ABMC use arm_mpam: resctrl: Add resctrl_arch_cntr_read() & resctrl_arch_reset_cntr() Shanker Donthineni (1): arm_mpam: Apply T241-MPAM-6 to 63-bit counters Documentation/arch/arm64/mpam.rst | 22 +++ drivers/resctrl/mpam_devices.c | 6 +- drivers/resctrl/mpam_internal.h | 6 +- drivers/resctrl/mpam_resctrl.c | 318 +++++++++++++++++++++++++++--- 4 files changed, 325 insertions(+), 27 deletions(-) -- 2.43.0