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ram: Pass RAMBlock to bitmap_sync

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We change the meaning of start to be the offset from the beggining of
the block.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Juan Quintela 2017-03-21 09:35:04 +01:00
parent 030ce1f861
commit 15440dd5a0
2 changed files with 6 additions and 4 deletions
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2
include/exec/ram_addr.h
View File

@ -354,11 +354,13 @@ static inline void cpu_physical_memory_clear_dirty_range(ram_addr_t start,
static inline
uint64_t cpu_physical_memory_sync_dirty_bitmap(unsigned long *dest,
RAMBlock *rb,
ram_addr_t start,
ram_addr_t length,
uint64_t *real_dirty_pages)
{
ram_addr_t addr;
start = rb->offset + start;
unsigned long page = BIT_WORD(start >> TARGET_PAGE_BITS);
uint64_t num_dirty = 0;

8
migration/ram.c
View File

@ -646,13 +646,13 @@ static inline bool migration_bitmap_clear_dirty(RAMState *rs, ram_addr_t addr)
return ret;
}
static void migration_bitmap_sync_range(RAMState *rs, ram_addr_t start,
ram_addr_t length)
static void migration_bitmap_sync_range(RAMState *rs, RAMBlock *rb,
ram_addr_t start, ram_addr_t length)
{
unsigned long *bitmap;
bitmap = atomic_rcu_read(&rs->ram_bitmap)->bmap;
rs->migration_dirty_pages +=
cpu_physical_memory_sync_dirty_bitmap(bitmap, start, length,
cpu_physical_memory_sync_dirty_bitmap(bitmap, rb, start, length,
&rs->num_dirty_pages_period);
}
@ -699,7 +699,7 @@ static void migration_bitmap_sync(RAMState *rs)
qemu_mutex_lock(&rs->bitmap_mutex);
rcu_read_lock();
QLIST_FOREACH_RCU(block, &ram_list.blocks, next) {
migration_bitmap_sync_range(rs, block->offset, block->used_length);
migration_bitmap_sync_range(rs, block, 0, block->used_length);
}
rcu_read_unlock();
qemu_mutex_unlock(&rs->bitmap_mutex);