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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: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
master
Hu Tao 2013-08-29 18:21:16 +08:00 committed by Paolo Bonzini
parent 098178f274
commit 8826624970
1 changed files with 1 additions and 1 deletions
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exec.c
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@ -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 {