On 02/26/2018 09:39 PM, Emilio G. Cota wrote: > So that we pass a same-page range to tb_invalidate_phys_page_range, > instead of always passing an end address that could be on a different > page. > > As discussed with Peter Maydell on the list [1], tb_invalidate_phys_page_range > doesn't actually do much with 'end', which explains why we have never > hit a bug despite going against what the comment on top of > tb_invalidate_phys_page_range requires: > >> * Invalidate all TBs which intersect with the target physical address range >> * [start;end[. NOTE: start and end must refer to the *same* physical page. > The appended honours the comment, which avoids confusion. > > While at it, rework the loop into a for loop, which is less error prone > (e.g. "continue" won't result in an infinite loop). > > [1] https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg09165.html > > Signed-off-by: Emilio G. Cota <c...@braap.org> > ---
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~