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memory: split dirty bitmap into three

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After all the previous patches, spliting the bitmap gets direct.

Note: For some reason, I have to move DIRTY_MEMORY_* definitions to
the beginning of memory.h to make compilation work.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
This commit is contained in:
Juan Quintela 2013-10-08 16:14:39 +02:00
parent 164590a60f
commit 1ab4c8ceaa
4 changed files with 16 additions and 15 deletions
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9
include/exec/memory-internal.h
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@ -44,7 +44,7 @@ static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
unsigned client)
{
assert(client < DIRTY_MEMORY_NUM);
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & (1 << client);
return test_bit(addr >> TARGET_PAGE_BITS, ram_list.dirty_memory[client]);
}
/* read dirty bit (return 0 or 1) */
@ -76,7 +76,7 @@ static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr,
unsigned client)
{
assert(client < DIRTY_MEMORY_NUM);
ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= (1 << client);
set_bit(addr >> TARGET_PAGE_BITS, ram_list.dirty_memory[client]);
}
static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
@ -89,11 +89,8 @@ static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
static inline void cpu_physical_memory_clear_dirty_flag(ram_addr_t addr,
unsigned client)
{
int mask = ~(1 << client);
assert(client < DIRTY_MEMORY_NUM);
ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
clear_bit(addr >> TARGET_PAGE_BITS, ram_list.dirty_memory[client]);
}
static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,