Commit 88266249 authored by Hu Tao's avatar Hu Tao Committed by Paolo Bonzini
Browse files

exec: check offset_within_address_space for register subpage 



If offset_within_address_space falls in a page, then we register a
subpage. So check offset_within_address_space rather than
offset_within_region.

Cc: qemu-stable@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: "Andreas Färber" <afaerber@suse.de>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: default avatarHu Tao <hutao@cn.fujitsu.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 098178f2

exec.c

+1 −1
Original line number Diff line number Diff line
@@ -854,7 +854,7 @@ static void mem_add(MemoryListener *listener, MemoryRegionSection *section) 
        now = remain;

        if (int128_lt(remain.size, page_size)) {

            register_subpage(d, &now);

        } else if (remain.offset_within_region & ~TARGET_PAGE_MASK) {

        } else if (remain.offset_within_address_space & ~TARGET_PAGE_MASK) {

            now.size = page_size;

            register_subpage(d, &now);

        } else {