Re: [RFC Patch 08/19] ACPI: Add prefetch decoding to the address space parser

From: Rafael J. Wysocki
Date: Wed Jan 21 2015 - 09:26:32 EST


On Wednesday, January 21, 2015 01:26:25 PM Jiang Liu wrote:
> On 2015/1/21 8:35, Rafael J. Wysocki wrote:
> > On Thursday, January 08, 2015 10:32:55 AM Jiang Liu wrote:
> >> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> >>
> >> Add support of PREFETCH attributre to ACPI address space and extended
> >> address space parser.
> >
> > This potentially enables untested configurations which tends to uncover bugs,
> > so I'm concerned.
> >
> > What's the possible impact of this?
> Hi Rafael,
> I have analyzed all call sites related to this change, most
> users just care about resource type(IO, MEM, IRQ etc) and ignore
> the prefetch property. Seems only PCI subsystem cares about PREFETCH.

OK


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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