From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5259F3955C8 for ; Mon, 8 Jun 2026 08:30:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780907421; cv=none; b=GD7izF15Gfaxvx4giIa4YtXbtqf1+p3eez5V+Vp7YwfPvC06y9tz6MHRMW5d4flbCGE5ldRcI9DL+IbnIlG3xbcFHbfBFP1/kFkSc1m11gIjfEKByg9XLdDucEVzPIwGahIN3MbiT7PV8Lonk7vx/Aygj0YN6rUEF1JIL6niICc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780907421; c=relaxed/simple; bh=nhBoQUM/MQOPQodCMGK47+JUtJsmbu1hpDJSDj7i8q4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=cik8zKZC7w8kItyIaMvo5UpX31oAtU1PtcSiEThqbc2mtlxODLiq/lpTtNy6Lkg02ax5AanT133KHXCcB2lrS3mTzvUHzooIoHAMktmn6RHJoV2pVgcM0W2tKmhY8C3QFKOKqdICzb/YHGNfK5STW50fVSIByM8faYSTwlICFOk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Tb0Y89pX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Tb0Y89pX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 51E601F00893; Mon, 8 Jun 2026 08:30:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780907420; bh=nhBoQUM/MQOPQodCMGK47+JUtJsmbu1hpDJSDj7i8q4=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=Tb0Y89pXpZaxt79uPcFlwTECkX17ruoY+SvjzFoh+774Ny105+bs9sB5eHtt8fc2L LvK9h4fmMzr09GTXtL/61zFn4pZfhB8rBA6KkU41cDLhSgdzYwhLqke9oNAkN/gzjd k198UhlVdNAP2U13gL0JvHEZ9XG266OQLXHDoowJj/meSYv387lA9W1fqtGhrMd4ci tZ47o8TYPLLvMoeKMcEO397FjZU9WirW0ldLc7e1w3UXroQaLKGrqdXHzNzhLhizHa LDdeZO0FnSSi3+MdAxXq7jpBOCTpKKRLgKlLmc0OjTzZflrnm4ZA+rBF+y8wpsjubE 41iDApGKD+Pvw== From: Thomas Gleixner To: Chen Yu , tony.luck@intel.com, reinette.chatre@intel.com Cc: x86@kernel.org, linux-kernel@vger.kernel.org, bp@alien8.de, mingo@redhat.com, dave.hansen@linux.intel.com, hpa@zytor.com, dave.martin@arm.com, james.morse@arm.com, fenghuay@nvidia.com, babu.moger@amd.com, anil.keshavamurthy@broadcom.com Subject: Re: [PATCH v3 2/6] x86/resctrl: Parse ACPI CMRC table In-Reply-To: References: Date: Mon, 08 Jun 2026 10:30:16 +0200 Message-ID: <874ijd5t9j.ffs@fw13> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Sat, Jun 06 2026 at 10:33, Chen Yu wrote: > The CMRC (Cache Monitoring Registers for CPU Agents Description) > sub-table of ERDT describes the MMIO registers used to read > cache monitoring counters (e.g. LLC occupancy) for an RMD. > > Parse each CMRC sub-table, ioremap its register window, and save > the CMRC pointer in the corresponding ERDT domain entry so that > later monitoring code can read the counters via MMIO. > > Suggested-by: Tony Luck > Signed-off-by: Chen Yu Reviewed-by: Thomas Gleixner