linux-kernel - Re: [PATCH v3 50/74] x86/cpu/vfm: Update drivers/hwmon/peci/cputemp.c

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Date: Thu, 18 Apr 2024 13:32:15 +0000
From: "Winiarska, Iwona" <iwona.winiarska@...el.com>
To: "linux@...ck-us.net" <linux@...ck-us.net>, "Luck, Tony"
	<tony.luck@...el.com>
CC: "patches@...ts.linux.dev" <patches@...ts.linux.dev>,
	"linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"jdelvare@...e.com" <jdelvare@...e.com>
Subject: Re: [PATCH v3 50/74] x86/cpu/vfm: Update drivers/hwmon/peci/cputemp.c

On Tue, 2024-04-16 at 23:57 +0000, Luck, Tony wrote:
> > If the CPU defines and the new macro are to be kept in architecture code,
> > maybe include arch/x86/include/asm/cpu_device_id.h from linux/peci.cpu.h.
> > That would not be worse than today's include of intel-family.h.
> 
> Guenter,
> 
> Looks like I did that to resolve one of the other peci problems. Because I
> already have:
> 
> #include "../../arch/x86/include/asm/cpu_device_id.h"
> #include "../../arch/x86/include/asm/intel-family.h"
> 
> in <linux/peci_cpu.h>
> 
> Simply deleting the include from cputemp.c builds OK in the
> context of all the other changes in my patch series.

Hi Tony,

It won't build on non-x86, as cpu_device_id.h includes <asm/intel-family.h>.
I think the simplest way to solve the issue is to provide a copy of VFM_* macros
and X86_VENDOR_INTEL in include/linux/peci-cpu.h.

-Iwona

> 
> -Tony