On Tue, 22 Nov 2022 at 15:55, Ard Biesheuvel <[email protected]> wrote: > > The LPA2 extension implements 52-bit virtual addressing for 4k and 16k > translation granules, and for the former, this means an additional level > of translation is needed. This means we start counting at -1 instead of > 0 when doing a walk, and so 'level' is now a signed quantity, and should > be typed as such. So turn it from uint32_t into int32_t. > > This avoids a level of -1 getting misinterpreted as being >= 3, and > terminating a page table walk prematurely with a bogus output address. > > Cc: Peter Maydell <[email protected]> > Cc: Philippe Mathieu-Daudé <[email protected]> > Cc: Richard Henderson <[email protected]> > Signed-off-by: Ard Biesheuvel <[email protected]>
Applied to target-arm.next for 7.2, thanks. -- PMM
