On Fri, May 01, 2015 at 03:45:52AM +0200, Rafael J. Wysocki wrote: > And I don't really understand the Matthew's comment regarding limiting > operation regions to system memory. This is about a specific operation > region (which BTW only seems to be used as a means to access system memory > at the location pointed to by the arg) in that particular method.
My feeling was that it really ought to have been the ACPI code dealing with this in some way, but having looked at it again I accept that this is really something that's limited by the vendor implementation. virt_to_phys() isn't the worst thing to do here. -- Matthew Garrett | mj...@srcf.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
