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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 v5 01/12] ACPI: HMAT: Remove register of memory node for generic target
Date: Thu, 15 Feb 2024 16:20:56 +0000	[thread overview]
Message-ID: <20240215162056.0000656e@Huawei.com> (raw)
In-Reply-To: <20240206222951.1833098-2-dave.jiang@intel.com>

On Tue, 6 Feb 2024 15:28:29 -0700
Dave Jiang <dave.jiang@intel.com> wrote:

> For generic targets, there's no reason to call
> register_memory_node_under_compute_node() with the access levels that are
> only visible to HMAT handling code. Only update the attributes and rename
> hmat_register_generic_target_initiators() to hmat_update_generic_target().

What goes wrong as a result of this bug?

Looks like a cleanup at first glance.

With some more description if it is a fix.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> 
> Fixes: a3a3e341f169 ("acpi: numa: Add setting of generic port system locality attributes")
> Cc: Rafael J. Wysocki <rafael@kernel.org>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
> ---
>  drivers/acpi/numa/hmat.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
> index d6b85f0f6082..a26e7793ec4e 100644
> --- a/drivers/acpi/numa/hmat.c
> +++ b/drivers/acpi/numa/hmat.c
> @@ -770,12 +770,12 @@ static void __hmat_register_target_initiators(struct memory_target *target,
>  	}
>  }
>  
> -static void hmat_register_generic_target_initiators(struct memory_target *target)
> +static void hmat_update_generic_target(struct memory_target *target)
>  {
>  	static DECLARE_BITMAP(p_nodes, MAX_NUMNODES);
>  
> -	__hmat_register_target_initiators(target, p_nodes,
> -					  NODE_ACCESS_CLASS_GENPORT_SINK);
> +	hmat_update_target_attrs(target, p_nodes,
> +				 NODE_ACCESS_CLASS_GENPORT_SINK);
>  }
>  
>  static void hmat_register_target_initiators(struct memory_target *target)
> @@ -835,7 +835,7 @@ static void hmat_register_target(struct memory_target *target)
>  	 */
>  	mutex_lock(&target_lock);
>  	if (*(u16 *)target->gen_port_device_handle) {
> -		hmat_register_generic_target_initiators(target);
> +		hmat_update_generic_target(target);
>  		target->registered = true;
>  	}
>  	mutex_unlock(&target_lock);


  reply	other threads:[~2024-02-15 16:21 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-06 22:28 [PATCH v5 0/12] cxl: Add support to report region access coordinates to numa nodes Dave Jiang
2024-02-06 22:28 ` [PATCH v5 01/12] ACPI: HMAT: Remove register of memory node for generic target Dave Jiang
2024-02-15 16:20   ` Jonathan Cameron [this message]
2024-02-06 22:28 ` [PATCH v5 02/12] base/node / ACPI: Enumerate node access class for 'struct access_coordinate' Dave Jiang
2024-02-15 16:24   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 03/12] ACPI: HMAT: Introduce 2 levels of generic port access class Dave Jiang
2024-02-15 16:44   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 04/12] ACPI: HMAT / cxl: Add retrieval of generic port coordinates for both access classes Dave Jiang
2024-02-15 16:46   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 05/12] cxl: Split out combine_coordinates() for common shared usage Dave Jiang
2024-02-15 16:51   ` Jonathan Cameron
2024-02-16 21:28     ` Dave Jiang
2024-02-06 22:28 ` [PATCH v5 06/12] cxl: Split out host bridge access coordinates Dave Jiang
2024-02-15 16:56   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 07/12] cxl: Move QoS class to be calculated from the nearest CPU Dave Jiang
2024-02-15 16:57   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 08/12] cxl: Set cxlmd->endpoint before adding port device Dave Jiang
2024-02-15 17:01   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 09/12] cxl/region: Calculate performance data for a region Dave Jiang
2024-02-06 22:28 ` [PATCH v5 10/12] cxl/region: Add sysfs attribute for locality attributes of CXL regions Dave Jiang
2024-02-15 17:08   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 11/12] cxl/region: Add memory hotplug notifier for cxl region Dave Jiang
2024-02-15 17:16   ` Jonathan Cameron
2024-02-06 22:28 ` [PATCH v5 12/12] cxl/region: Deal with numa nodes not enumarated by SRAT Dave Jiang
2024-02-15 17:24   ` Jonathan Cameron
2024-02-20 20:47     ` Dave Jiang

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