On Mon, Dec 18, 2017 at 09:47:31PM +0000, Steve Capper wrote: > Put the direct linear map in the lower addresses of the kernel VA range > and everything else in the higher ranges. > > This allows us to make room for an inline KASAN shadow that operates > under both 48 and 52 bit kernel VA sizes. For example with a 52-bit VA, > if KASAN_SHADOW_END < 0xFFF8000000000000 (it is in the lower addresses > of the kernel VA range), this will be below the start of the minimum > 48-bit kernel VA address of 0xFFFF000000000000. > > We need to adjust: > *) KASAN shadow region placement logic, > *) KASAN_SHADOW_OFFSET computation logic, > *) virt_to_phys, phys_to_virt checks, > *) page table dumper. > > These are all small changes, that need to take place atomically, so they > are bundled into this commit. I need to tweak this to include changes to the HYP map logic (specifically change the first AND to an EOR). Cheers, -- Steve _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
