linux-kernel - Re: [PATCH v3] cxl: Fix use of phys_to_target

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Date: Wed, 24 Apr 2024 16:11:42 -0700
From: Davidlohr Bueso <dave@...olabs.net>
To: Robert Richter <rrichter@....com>
Cc: Jonathan Cameron <jonathan.cameron@...wei.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Alison Schofield <alison.schofield@...el.com>,
	Vishal Verma <vishal.l.verma@...el.com>,
	Ira Weiny <ira.weiny@...el.com>,
	Dan Williams <dan.j.williams@...el.com>, linux-cxl@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] cxl: Fix use of phys_to_target_node() for x86

On Wed, 24 Apr 2024, Robert Richter wrote:

>The CXL driver uses both functions phys_to_target_node() and
>memory_add_physaddr_to_nid(). The x86 architecture relies on the
>NUMA_KEEP_MEMINFO kernel option enabled for both functions to work
>correct. Update Kconfig to make sure the option is always enabled for
>the driver.
>
>Suggested-by: Dan Williams <dan.j.williams@...el.com>
>Link: http://lore.kernel.org/r/65f8b191c0422_aa222941b@dwillia2-mobl3.amr.corp.intel.com.notmuch
>Reviewed-by: Ira Weiny <ira.weiny@...el.com>
>Reviewed-by: Dan Williams <dan.j.williams@...el.com>
>Signed-off-by: Robert Richter <rrichter@....com>

Reviewed-by: Davidlohr Bueso <dave@...olabs.net>