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authorJuan Quintela <quintela@redhat.com>2012-07-20 10:16:08 +0200
committerJuan Quintela <quintela@redhat.com>2012-10-17 18:34:58 +0200
commite44d26c8f3894a220f29ff5b27abf87f570d2c07 (patch)
tree3d6897b71d940b41c45e873fd03b19a29bb47ef6 /arch_init.c
parent5a17077529f7feec559e1881792e89554c2ae5b6 (diff)
ram: introduce migration_bitmap_set_dirty()
It just marks a region of memory as dirty. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Diffstat (limited to 'arch_init.c')
-rw-r--r--arch_init.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch_init.c b/arch_init.c
index 6b9f949db3..fa470515db 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -331,6 +331,18 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data,
static RAMBlock *last_block;
static ram_addr_t last_offset;
+static inline void migration_bitmap_set_dirty(MemoryRegion *mr, int length)
+{
+ ram_addr_t addr;
+
+ for (addr = 0; addr < length; addr += TARGET_PAGE_SIZE) {
+ if (!memory_region_get_dirty(mr, addr, TARGET_PAGE_SIZE,
+ DIRTY_MEMORY_MIGRATION)) {
+ memory_region_set_dirty(mr, addr, TARGET_PAGE_SIZE);
+ }
+ }
+}
+
/*
* ram_save_block: Writes a page of memory to the stream f
*
@@ -493,7 +505,6 @@ static void reset_ram_globals(void)
static int ram_save_setup(QEMUFile *f, void *opaque)
{
- ram_addr_t addr;
RAMBlock *block;
bytes_transferred = 0;
@@ -514,12 +525,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
/* Make sure all dirty bits are set */
QLIST_FOREACH(block, &ram_list.blocks, next) {
- for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
- if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
- DIRTY_MEMORY_MIGRATION)) {
- memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
- }
- }
+ migration_bitmap_set_dirty(block->mr, block->length);
}
memory_global_dirty_log_start();