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? > Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> > --- > drivers/acpi/resource.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c > index a56a64164410..abe3a29ad802 100644 > --- a/drivers/acpi/resource.c > +++ b/drivers/acpi/resource.c > @@ -200,6 +200,9 @@ static bool acpi_decode_space(struct resource *res, > if (base->producer_consumer == ACPI_PRODUCER) > res->flags |= IORESOURCE_WINDOW; > > + if (base->info.mem.caching == ACPI_PREFETCHABLE_MEMORY) > + res->flags |= IORESOURCE_PREFETCH; > + > return !(res->flags & IORESOURCE_DISABLED); > } > > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
