linux-kernel - Re: [PATCH v2] platform: x86: asus-wmi: add fan control

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Message-ID: <CAMP44s04+_aP7KpVMTUjdNcRWMg6PC6HBaNhF_uhAHm=fhmTcw@mail.gmail.com>
Date:	Sun, 13 Oct 2013 04:29:34 -0500
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	Matthew Garrett <matthew.garrett@...ula.com>
Cc:	"corentin.chary@...il.com" <corentin.chary@...il.com>,
	"acpi4asus-user@...ts.sourceforge.net" 
	<acpi4asus-user@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v2] platform: x86: asus-wmi: add fan control

On Thu, Oct 10, 2013 at 11:06 AM, Matthew Garrett
<matthew.garrett@...ula.com> wrote:
> On Thu, 2013-10-10 at 16:59 +0100, Corentin Chary wrote:
>
>>
>> This doesn't really seems to be related to wmi, and is likely to be
>> available only on a subset of models. Maybe it should a separate
>> driver instead ?
>
> This version seems to be implemented entirely in WMI, and it's using the
> same WMI GUID as asus-wmi - implementing it here seems appropriate. I am
> concerned about the phys/virt thing, though. The ACPI interpreter is
> running in the kernel, not the hardware - are we artificially limiting
> SystemMemory opregions to physical addresses?

I don't see anything in acpi_ex_system_memory_space_handler() that
takes into consideration virtual addresses.

-- 
Felipe Contreras
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