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kvm: Rework dirty bitmap synchronization

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Extend kvm_physical_sync_dirty_bitmap() so that is can sync across
multiple slots. Useful for updating the whole dirty log during
migration. Moreover, properly pass down errors the whole call chain.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-05-01 20:52:47 +02:00 • committed by Anthony Liguori
parent 62518b8b1d
commit 151f7749f2
4 changed files with 56 additions and 40 deletions
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3
cpu-all.h
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@ -901,7 +901,8 @@ int cpu_physical_memory_set_dirty_tracking(int enable);
int cpu_physical_memory_get_dirty_tracking(void);
void cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);
int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
target_phys_addr_t end_addr);
void dump_exec_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...));