[Xen-changelog] [qemu-upstream-unstable] exec: check offset_within_address_space for register subpage

[patchbot@xxxxxxx]

commit 1110014801d368388bca2ed7c28aa695560c4991
Author:     Hu Tao <hutao@xxxxxxxxxxxxxx>
AuthorDate: Thu Aug 29 18:21:16 2013 +0800
Commit:     Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Tue Sep 24 22:37:49 2013 -0500

    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@xxxxxxxxxx
    Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
    Cc: Richard Henderson <rth@xxxxxxxxxxx>
    Cc: "Andreas Färber" <afaerber@xxxxxxx>
    Cc: Peter Maydell <peter.maydell@xxxxxxxxxx>
    Cc: Blue Swirl <blauwirbel@xxxxxxxxx>
    Signed-off-by: Hu Tao <hutao@xxxxxxxxxxxxxx>
    Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
    (cherry picked from commit 88266249701032211c1d7449460d063fbc01bf12)
    
    Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
 exec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/exec.c b/exec.c
index 08eecb3..f6674e5 100644
--- a/exec.c
+++ b/exec.c
@@ -869,7 +869,7 @@ 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 {
--
generated by git-patchbot for /home/xen/git/qemu-upstream-unstable.git

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