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[Qemu-devel] [PATCH] memory: Do not update coalesced IO range in the cas
From: |
Jagannathan Raman |
Subject: |
[Qemu-devel] [PATCH] memory: Do not update coalesced IO range in the case of NOP |
Date: |
Tue, 5 Feb 2019 17:50:19 -0500 |
Do not add/del coalesced IO ranges in the case where the
same FlatRanges are present in both old and new FlatViews
Fixes: 3ac7d43a6fbb ("memory: update coalesced_range on transaction_commit")
Signed-off-by: Jagannathan Raman <address@hidden>
---
memory.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/memory.c b/memory.c
index 61d66e4..e49369d 100644
--- a/memory.c
+++ b/memory.c
@@ -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;
--
1.8.3.1