exec: create function to get a single dirty bit
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
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exec.c
2
exec.c
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@ -1487,7 +1487,7 @@ static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
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{
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{
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int dirty_flags;
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int dirty_flags;
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dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
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dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
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if (!(dirty_flags & CODE_DIRTY_FLAG)) {
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if (!cpu_physical_memory_get_dirty_flag(ram_addr, CODE_DIRTY_FLAG)) {
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tb_invalidate_phys_page_fast(ram_addr, size);
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tb_invalidate_phys_page_fast(ram_addr, size);
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dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
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dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
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}
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}
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@ -49,6 +49,12 @@ static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
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return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
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return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
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}
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}
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static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
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int dirty_flag)
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{
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return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flag;
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}
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/* read dirty bit (return 0 or 1) */
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/* read dirty bit (return 0 or 1) */
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static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
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static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
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{
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{
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