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 06:52:53 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: "Winiarska, Iwona" <iwona.winiarska@...el.com>
Cc: "Luck, Tony" <tony.luck@...el.com>,
	"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 Thu, Apr 18, 2024 at 01:32:15PM +0000, Winiarska, Iwona wrote:
> 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.
> 

I think the proper fix would really be to move the include files to a
generic directory, such as include/linux/x86/ or include/linux/cpu/x86/.
After all, they _are_ now needed in non-Intel code.

Guenter