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memory: Do not update coalesced IO range in the case of NOP 

Do not add/del coalesced IO ranges in the case where the
same FlatRanges are present in both old and new FlatViews

Fixes: 3ac7d43a6f ("memory: update coalesced_range on transaction_commit")
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Message-Id: <59572a7353830be4b7aa57d79ccb7ad6b72f0dda.1549406119.git.jag.raman@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jagannathan Raman 2019-02-05 17:50:19 -05:00 committed by Paolo Bonzini
parent 79d8b1dc5b
commit 4f8260248c
1 changed files with 1 additions and 4 deletions
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5
memory.c
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@ -932,9 +932,7 @@ static void address_space_update_topology_pass(AddressSpace *as,
} else if (frold && frnew && flatrange_equal(frold, frnew)) {
/* In both and unchanged (except logging may have changed) */
if (!adding) {
flat_range_coalesced_io_del(frold, as);
} else {
if (adding) {
MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_nop);
if (frnew->dirty_log_mask & ~frold->dirty_log_mask) {
MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, log_start,
@ -946,7 +944,6 @@ static void address_space_update_topology_pass(AddressSpace *as,
frold->dirty_log_mask,
frnew->dirty_log_mask);
}
flat_range_coalesced_io_add(frnew, as);
}
++iold;