>On 07/01/15 23:45, Ong, Boon Leong wrote: >>> Since BIOS and grub code both use 0x00000000 as the 'off' address I >>> think it makes sense for the kernel to continue to use that address. >> >> Just add on top of what Daren mentioned in another mail, based on the >> Quark document, the base address can start from zero. Say lo=0, hi=0, >> and WM & RM may be changed from default value, 1st 1KiB will be marked as >IMR. It seems to me that there is no good way to test if an IMR is 'occupied' >and/or 'enabled' >> since enable-bit is not available. But, what is benefit of testing >> against lo=0 & hi=0? The logic to calculate size will work under >> lo=0 & hi=0 anway. > >Hi Boon Leong. > >I think it does make sense to add a check for rmask and wmask in the 'access all' >state when determining if an IMR is enabled on X1000 or not Ya, checking against rmask & wmask whether they have been changed from default stage would help here. Thanks -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html