From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: Invalid PBLK length Date: Wed, 18 Dec 2002 15:29:06 +0000 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20021218152906.J9994@parcelfarce.linux.theplanet.co.uk> References: <4e353e0091944930a0$NiftyInterway@nifty.ne.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4e353e0091944930a0$NiftyInterway-fFkzxiWP14B3+QwDJ9on6Q@public.gmane.org>; from aileenja-dTzOdQ2U+/YAvxtiuMwx3w@public.gmane.org on Thu, Dec 19, 2002 at 12:17:40AM +0900 Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: "Adachi, Kenichi" Cc: willy-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org, haug-X6ztD3ggwzuBAmxm6OvjtTjhTm2NLCe8@public.gmane.org, acpi-devel-pyega4qmqnRoyOMFzWx49A@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Thu, Dec 19, 2002 at 12:17:40AM +0900, Adachi, Kenichi wrote: > I didn't check code, but if that said address space type 127 does mean "Functi > onal Fixed Hardware (0x7F)", then your processor expects that OS processor dri > ver knows the specific address to control voltage scaling state transition. Us > ually it's done by accessing MSRs. This has been true for AMD PowerNow! and Tr > ansmeta LongRun, and Intel's new Geyserville I/F which will be unveiled on Ban > ias in the near future. These are mostly under NDA, therefore I can't be speci > fic, however there're several public documents which explain this stuff a bit > more. you're right. Andy, could we add something like this? diff -u -p -r1.6 actypes.h --- drivers/acpi/include/actypes.h 10 Dec 2002 22:02:09 -0000 1.6 +++ drivers/acpi/include/actypes.h 18 Dec 2002 15:28:47 -0000 @@ -579,6 +579,7 @@ typedef u8 #define ACPI_ADR_SPACE_CMOS (ACPI_ADR_SPACE_TYPE) 5 #define ACPI_ADR_SPACE_PCI_BAR_TARGET (ACPI_ADR_SPACE_TYPE) 6 #define ACPI_ADR_SPACE_DATA_TABLE (ACPI_ADR_SPACE_TYPE) 7 +#define ACPI_ADR_SPACE_FIXED_HARDWARE (ACPI_ADR_SPACE_TYPE) 127 /* -- "It's not Hollywood. War is real, war is primarily not about defeat or victory, it is about death. I've seen thousands and thousands of dead bodies. Do you think I want to have an academic debate on this subject?" -- Robert Fisk ------------------------------------------------------- This sf.net email is sponsored by: With Great Power, Comes Great Responsibility Learn to use your power at OSDN's High Performance Computing Channel http://hpc.devchannel.org/