On 12/17/2013 05:26 PM, Juan Quintela wrote:
We were setting a range of bits, so use bitmap_set().Note: xen has always been wrong, and should have used start instead of addr from the beginning. Signed-off-by: Juan Quintela <quint...@redhat.com> Reviewed-by: Eric Blake <ebl...@redhat.com> --- include/exec/memory-internal.h | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h index b017c2e..4906cdf 100644 --- a/include/exec/memory-internal.h +++ b/include/exec/memory-internal.h @@ -81,19 +81,14 @@ static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr, static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start, ram_addr_t length) { - ram_addr_t addr, end; + unsigned long end, page; - end = TARGET_PAGE_ALIGN(start + length); - start &= TARGET_PAGE_MASK; - for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { - set_bit(addr >> TARGET_PAGE_BITS, - ram_list.dirty_memory[DIRTY_MEMORY_MIGRATION]); - set_bit(addr >> TARGET_PAGE_BITS, - ram_list.dirty_memory[DIRTY_MEMORY_VGA]); - set_bit(addr >> TARGET_PAGE_BITS, - ram_list.dirty_memory[DIRTY_MEMORY_CODE]); - } - xen_modified_memory(addr, length); + end = TARGET_PAGE_ALIGN(start + length) >> TARGET_PAGE_BITS; + page = start >> TARGET_PAGE_BITS; + bitmap_set(ram_list.dirty_memory[DIRTY_MEMORY_MIGRATION], page, end - page); + bitmap_set(ram_list.dirty_memory[DIRTY_MEMORY_VGA], page, end - page); + bitmap_set(ram_list.dirty_memory[DIRTY_MEMORY_CODE], page, end - page); + xen_modified_memory(start, length); } static inline void cpu_physical_memory_clear_dirty_range(ram_addr_t start,
Reviewed-by: Orit Wasserman <owass...@redhat.com>
