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authorAvi Kivity <avi@redhat.com>2011-12-19 12:53:48 +0200
committerAvi Kivity <avi@redhat.com>2012-01-03 19:19:27 +0200
commitdcd97e33af43ae0bfa7e8c39ce8cebcfe7af6cb4 (patch)
tree3e57a4e41aa83490b434e13cb6571b2f32b63e7d /exec.c
parent20581d207853fe4b1af88b116f077516dfa888cd (diff)
memory: remove CPUPhysMemoryClient
No longer used. Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'exec.c')
-rw-r--r--exec.c169
1 files changed, 5 insertions, 164 deletions
diff --git a/exec.c b/exec.c
index 36b61c91a..e1f7462ee 100644
--- a/exec.c
+++ b/exec.c
@@ -1732,129 +1732,6 @@ const CPULogItem cpu_log_items[] = {
{ 0, NULL, NULL },
};
-#ifndef CONFIG_USER_ONLY
-static QLIST_HEAD(memory_client_list, CPUPhysMemoryClient) memory_client_list
- = QLIST_HEAD_INITIALIZER(memory_client_list);
-
-static void cpu_notify_set_memory(target_phys_addr_t start_addr,
- ram_addr_t size,
- ram_addr_t phys_offset,
- bool log_dirty)
-{
- CPUPhysMemoryClient *client;
- QLIST_FOREACH(client, &memory_client_list, list) {
- client->set_memory(client, start_addr, size, phys_offset, log_dirty);
- }
-}
-
-static int cpu_notify_sync_dirty_bitmap(target_phys_addr_t start,
- target_phys_addr_t end)
-{
- CPUPhysMemoryClient *client;
- QLIST_FOREACH(client, &memory_client_list, list) {
- int r = client->sync_dirty_bitmap(client, start, end);
- if (r < 0)
- return r;
- }
- return 0;
-}
-
-static int cpu_notify_migration_log(int enable)
-{
- CPUPhysMemoryClient *client;
- if (enable) {
- memory_global_dirty_log_start();
- } else {
- memory_global_dirty_log_stop();
- }
- QLIST_FOREACH(client, &memory_client_list, list) {
- int r = client->migration_log(client, enable);
- if (r < 0)
- return r;
- }
- return 0;
-}
-
-struct last_map {
- target_phys_addr_t start_addr;
- ram_addr_t size;
- ram_addr_t phys_offset;
-};
-
-/* The l1_phys_map provides the upper P_L1_BITs of the guest physical
- * address. Each intermediate table provides the next L2_BITs of guest
- * physical address space. The number of levels vary based on host and
- * guest configuration, making it efficient to build the final guest
- * physical address by seeding the L1 offset and shifting and adding in
- * each L2 offset as we recurse through them. */
-static void phys_page_for_each_1(CPUPhysMemoryClient *client, int level,
- void **lp, target_phys_addr_t addr,
- struct last_map *map)
-{
- int i;
-
- if (*lp == NULL) {
- return;
- }
- if (level == 0) {
- PhysPageDesc *pd = *lp;
- addr <<= L2_BITS + TARGET_PAGE_BITS;
- for (i = 0; i < L2_SIZE; ++i) {
- if (pd[i].phys_offset != IO_MEM_UNASSIGNED) {
- target_phys_addr_t start_addr = addr | i << TARGET_PAGE_BITS;
-
- if (map->size &&
- start_addr == map->start_addr + map->size &&
- pd[i].phys_offset == map->phys_offset + map->size) {
-
- map->size += TARGET_PAGE_SIZE;
- continue;
- } else if (map->size) {
- client->set_memory(client, map->start_addr,
- map->size, map->phys_offset, false);
- }
-
- map->start_addr = start_addr;
- map->size = TARGET_PAGE_SIZE;
- map->phys_offset = pd[i].phys_offset;
- }
- }
- } else {
- void **pp = *lp;
- for (i = 0; i < L2_SIZE; ++i) {
- phys_page_for_each_1(client, level - 1, pp + i,
- (addr << L2_BITS) | i, map);
- }
- }
-}
-
-static void phys_page_for_each(CPUPhysMemoryClient *client)
-{
- int i;
- struct last_map map = { };
-
- for (i = 0; i < P_L1_SIZE; ++i) {
- phys_page_for_each_1(client, P_L1_SHIFT / L2_BITS - 1,
- l1_phys_map + i, i, &map);
- }
- if (map.size) {
- client->set_memory(client, map.start_addr, map.size, map.phys_offset,
- false);
- }
-}
-
-void cpu_register_phys_memory_client(CPUPhysMemoryClient *client)
-{
- QLIST_INSERT_HEAD(&memory_client_list, client, list);
- phys_page_for_each(client);
-}
-
-void cpu_unregister_phys_memory_client(CPUPhysMemoryClient *client)
-{
- QLIST_REMOVE(client, list);
-}
-#endif
-
static int cmp1(const char *s1, int n, const char *s2)
{
if (strlen(s2) != n)
@@ -2131,7 +2008,11 @@ int cpu_physical_memory_set_dirty_tracking(int enable)
{
int ret = 0;
in_migration = enable;
- ret = cpu_notify_migration_log(!!enable);
+ if (enable) {
+ memory_global_dirty_log_start();
+ } else {
+ memory_global_dirty_log_stop();
+ }
return ret;
}
@@ -2140,45 +2021,6 @@ int cpu_physical_memory_get_dirty_tracking(void)
return in_migration;
}
-int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
- target_phys_addr_t end_addr)
-{
- int ret;
-
- ret = cpu_notify_sync_dirty_bitmap(start_addr, end_addr);
- return ret;
-}
-
-int cpu_physical_log_start(target_phys_addr_t start_addr,
- ram_addr_t size)
-{
- CPUPhysMemoryClient *client;
- QLIST_FOREACH(client, &memory_client_list, list) {
- if (client->log_start) {
- int r = client->log_start(client, start_addr, size);
- if (r < 0) {
- return r;
- }
- }
- }
- return 0;
-}
-
-int cpu_physical_log_stop(target_phys_addr_t start_addr,
- ram_addr_t size)
-{
- CPUPhysMemoryClient *client;
- QLIST_FOREACH(client, &memory_client_list, list) {
- if (client->log_stop) {
- int r = client->log_stop(client, start_addr, size);
- if (r < 0) {
- return r;
- }
- }
- }
- return 0;
-}
-
static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry)
{
ram_addr_t ram_addr;
@@ -2681,7 +2523,6 @@ void cpu_register_physical_memory_log(target_phys_addr_t start_addr,
subpage_t *subpage;
assert(size);
- cpu_notify_set_memory(start_addr, size, phys_offset, log_dirty);
if (phys_offset == IO_MEM_UNASSIGNED) {
region_offset = start_addr;