linux-kernel - Re: [PATCH v1 25/29] cxl/amd: Enable Zen5 address translation using ACPI PRMT

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Message-ID: <Z31XH8jyVa9nHKep@rric.localdomain>
Date: Tue, 7 Jan 2025 17:32:31 +0100
From: Robert Richter <rrichter@....com>
To: 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>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Terry Bowman <terry.bowman@....com>
Cc: linux-cxl@...r.kernel.org, linux-kernel@...r.kernel.org,
	Gregory Price <gourry@...rry.net>,
	"Fabio M. De Francesco" <fabio.m.de.francesco@...ux.intel.com>
Subject: Re: [PATCH v1 25/29] cxl/amd: Enable Zen5 address translation using
 ACPI PRMT

On 07.01.25 15:10:11, Robert Richter wrote:

> +#include <linux/prmt.h>

Note: linux/prmt.h is broken and causes a build error:

 ./include/linux/prmt.h:5:27: error: unknown type name ‘guid_t’
     5 | int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer);
       |                           ^~~~~~

A fix for this is handled through linux-acpi:

 https://patchwork.kernel.org/project/linux-acpi/patch/20250107161923.3387552-1-rrichter@amd.com/

I guess it will have been applied already once those cxl patches go
in.

Anyway, I will add it to a v2 to make testing easier.

Thanks,

-Robert