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kvm: Mark full address range dirty on live migration start 

As Avi correctly noted, last_ram_offset does not mark the last physical
RAM address the guest may see (due to non-continuous memory regions).
Ensure that we catch them all by marking the full possible address range
dirty.

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 2009-05-22 23:51:45 +02:00 committed by Anthony Liguori
parent de65fe0f9b
commit 9fa06385f6
2 changed files with 3 additions and 1 deletions
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2
targphys.h
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@ -12,9 +12,11 @@
#if TARGET_PHYS_ADDR_BITS == 32
typedef uint32_t target_phys_addr_t;
#define TARGET_PHYS_ADDR_MAX UINT32_MAX
#define TARGET_FMT_plx "%08x"
#elif TARGET_PHYS_ADDR_BITS == 64
typedef uint64_t target_phys_addr_t;
#define TARGET_PHYS_ADDR_MAX UINT64_MAX
#define TARGET_FMT_plx "%016" PRIx64
#endif
#endif

2
vl.c
View File

@ -3231,7 +3231,7 @@ static int ram_save_live(QEMUFile *f, int stage, void *opaque)
{
ram_addr_t addr;
if (cpu_physical_sync_dirty_bitmap(0, last_ram_offset) != 0) {
if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
qemu_file_set_error(f);
return 0;
}