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memory: Fold memory_region_update_topology into memory_region_transaction_commit

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Simplify the code as we are using now only a subset of the original
features of memory_region_update_topology.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2012-08-23 13:02:31 +02:00 committed by Marcelo Tosatti
parent 59023ef411
commit 02e2b95fb4
1 changed files with 11 additions and 28 deletions
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33
memory.c
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@ -24,7 +24,6 @@
#include "exec-obsolete.h"
unsigned memory_region_transaction_depth = 0;
static bool memory_region_update_pending = false;
static bool global_dirty_log = false;
static QTAILQ_HEAD(memory_listeners, MemoryListener) memory_listeners
@ -732,17 +731,16 @@ static void address_space_update_topology(AddressSpace *as)
address_space_update_ioeventfds(as);
}
static void memory_region_update_topology(MemoryRegion *mr)
void memory_region_transaction_begin(void)
{
if (memory_region_transaction_depth) {
memory_region_update_pending |= !mr || mr->enabled;
return;
}
if (mr && !mr->enabled) {
return;
}
++memory_region_transaction_depth;
}
void memory_region_transaction_commit(void)
{
assert(memory_region_transaction_depth);
--memory_region_transaction_depth;
if (!memory_region_transaction_depth) {
MEMORY_LISTENER_CALL_GLOBAL(begin, Forward);
if (address_space_memory.root) {
@ -753,21 +751,6 @@ static void memory_region_update_topology(MemoryRegion *mr)
}
MEMORY_LISTENER_CALL_GLOBAL(commit, Forward);
memory_region_update_pending = false;
}
void memory_region_transaction_begin(void)
{
++memory_region_transaction_depth;
}
void memory_region_transaction_commit(void)
{
assert(memory_region_transaction_depth);
--memory_region_transaction_depth;
if (!memory_region_transaction_depth && memory_region_update_pending) {
memory_region_update_topology(NULL);
}
}