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memory: move tcg flush into a tcg memory listener 

We plan to make the core listener listen to all address spaces; this
will cause many more flushes than necessary.  Prepare for that by
moving the flush into a tcg-specific listener.

Later we can avoid registering the listener if tcg is disabled.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2012-10-02 18:54:45 +02:00
parent 2673a5da25
commit 1d71148eac
1 changed files with 6 additions and 2 deletions
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8
exec.c
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@ -3166,7 +3166,7 @@ static void core_begin(MemoryListener *listener)
phys_section_watch = dummy_section(&io_mem_watch); phys_section_watch = dummy_section(&io_mem_watch);
} }
static void core_commit(MemoryListener *listener) static void tcg_commit(MemoryListener *listener)
{ {
CPUArchState *env; CPUArchState *env;
@ -3220,7 +3220,6 @@ static void io_region_del(MemoryListener *listener,
static MemoryListener core_memory_listener = { static MemoryListener core_memory_listener = {
.begin = core_begin, .begin = core_begin,
.commit = core_commit,
.region_add = core_region_add, .region_add = core_region_add,
.region_nop = core_region_nop, .region_nop = core_region_nop,
.log_global_start = core_log_global_start, .log_global_start = core_log_global_start,
@ -3234,6 +3233,10 @@ static MemoryListener io_memory_listener = {
.priority = 0, .priority = 0,
}; };
static MemoryListener tcg_memory_listener = {
.commit = tcg_commit,
};
static void memory_map_init(void) static void memory_map_init(void)
{ {
system_memory = g_malloc(sizeof(*system_memory)); system_memory = g_malloc(sizeof(*system_memory));
@ -3248,6 +3251,7 @@ static void memory_map_init(void)
memory_listener_register(&core_memory_listener, system_memory); memory_listener_register(&core_memory_listener, system_memory);
memory_listener_register(&io_memory_listener, system_io); memory_listener_register(&io_memory_listener, system_io);
memory_listener_register(&tcg_memory_listener, system_memory);
} }
MemoryRegion *get_system_memory(void) MemoryRegion *get_system_memory(void)