linux-kernel - Re: Regression in IO resource allocation

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Message-ID: <CAL1RGDUfCuZ0qiQT4xUf0koS3uxfXfBPMfYL41tkjB_cM36Nfw@mail.gmail.com>
Date:	Tue, 31 May 2016 14:42:16 -0700
From:	Roland Dreier <roland@...estorage.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: Regression in IO resource allocation

On Tue, May 31, 2016 at 2:11 PM, Rafael J. Wysocki <rjw@...ysocki.net> wrote:
> Can you please try the appended patch (untested)?

Thanks for the quick reply.  Patch looks OK on my system... it boots
(which is very good :) and I see

    system 00:01: [io  0x0400-0x047f] has been reserved

however I don't see the "ACPI CPU throttle" region reserved in
/proc/ioports... haven't debugged why acpi_processor_get_throttling()
isn't getting called or what is happening yet.

Will dig a bit deeper and let you know.

 - R.