linux-kernel - Re: [PATCH v2] cxl: Fix use of phys_to_target

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Date: Mon, 22 Apr 2024 14:48:42 -0700
From: Ira Weiny <ira.weiny@...el.com>
To: Robert Richter <rrichter@....com>, Davidlohr Bueso <dave@...olabs.net>,
	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>
CC: Robert Richter <rrichter@....com>, <linux-cxl@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] cxl: Fix use of phys_to_target_node() for x86

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>
> Signed-off-by: Robert Richter <rrichter@....com>

Reviewed-by: Ira Weiny <ira.weiny@...el.com>