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From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: <linux-cxl@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
	<dan.j.williams@intel.com>, <ira.weiny@intel.com>,
	<vishal.l.verma@intel.com>, <alison.schofield@intel.com>,
	<dave@stgolabs.net>, <rafael@kernel.org>,
	<gregkh@linuxfoundation.org>
Subject: Re: [PATCH v6 10/12] cxl/region: Add sysfs attribute for locality attributes of CXL regions
Date: Wed, 6 Mar 2024 14:48:12 +0000	[thread overview]
Message-ID: <20240306144812.00007ccc@Huawei.com> (raw)
In-Reply-To: <20240220231402.3156281-11-dave.jiang@intel.com>

On Tue, 20 Feb 2024 16:12:39 -0700
Dave Jiang <dave.jiang@intel.com> wrote:

> Add read/write latencies and bandwidth sysfs attributes for the enabled CXL
> region. The bandwidth is the aggregated bandwidth of all devices that
> contribute to the CXL region. The latency is the worst latency of the
> device amongst all the devices that contribute to the CXL region.
> 
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
One trivial comment follows though it applies in a couple of places.
Up to you whether you act on it.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> +
> +ACCESS_ATTR_RO(1, read_bandwidth);
> +ACCESS_ATTR_RO(1, read_latency);
> +ACCESS_ATTR_RO(1, write_bandwidth);
> +ACCESS_ATTR_RO(1, write_latency);
> +
> +static struct attribute *access1_coordinate_attrs[] = {
> +	ACCESS_ATTR_DECLARE(1, read_bandwidth),
> +	ACCESS_ATTR_DECLARE(1, write_bandwidth),
> +	ACCESS_ATTR_DECLARE(1, read_latency),
> +	ACCESS_ATTR_DECLARE(1, write_latency),
> +	NULL,
I'd drop that comma on the trailing entry, but there are others
already in this file that do have it, so up to you.



  reply	other threads:[~2024-03-06 14:48 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-20 23:12 [PATCH v6 0/12] cxl: Add support to report region access coordinates to numa nodes Dave Jiang
2024-02-20 23:12 ` [PATCH v6 01/12] ACPI: HMAT: Remove register of memory node for generic target Dave Jiang
2024-02-20 23:12 ` [PATCH v6 02/12] base/node / ACPI: Enumerate node access class for 'struct access_coordinate' Dave Jiang
2024-03-07 21:02   ` Greg KH
2024-02-20 23:12 ` [PATCH v6 03/12] ACPI: HMAT: Introduce 2 levels of generic port access class Dave Jiang
2024-02-27 17:23   ` Jonathan Cameron
2024-02-20 23:12 ` [PATCH v6 04/12] ACPI: HMAT / cxl: Add retrieval of generic port coordinates for both access classes Dave Jiang
2024-02-20 23:12 ` [PATCH v6 05/12] cxl: Split out combine_coordinates() for common shared usage Dave Jiang
2024-02-27 17:25   ` Jonathan Cameron
2024-02-20 23:12 ` [PATCH v6 06/12] cxl: Split out host bridge access coordinates Dave Jiang
2024-02-20 23:12 ` [PATCH v6 07/12] cxl: Move QoS class to be calculated from the nearest CPU Dave Jiang
2024-02-20 23:12 ` [PATCH v6 08/12] cxl: Set cxlmd->endpoint before adding port device Dave Jiang
2024-02-20 23:12 ` [PATCH v6 09/12] cxl/region: Calculate performance data for a region Dave Jiang
2024-02-20 23:12 ` [PATCH v6 10/12] cxl/region: Add sysfs attribute for locality attributes of CXL regions Dave Jiang
2024-03-06 14:48   ` Jonathan Cameron [this message]
2024-02-20 23:12 ` [PATCH v6 11/12] cxl/region: Add memory hotplug notifier for cxl region Dave Jiang
2024-03-06 14:53   ` Jonathan Cameron
2024-03-07 23:51     ` Dave Jiang
2024-03-08  0:01       ` Dan Williams
2024-02-20 23:12 ` [PATCH v6 12/12] cxl/region: Deal with numa nodes not enumarated by SRAT Dave Jiang
2024-03-06 14:55 ` [PATCH v6 0/12] cxl: Add support to report region access coordinates to numa nodes Jonathan Cameron

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