gwj / at91sam9263 · Commits

Commit 9fa06385f634764203b98c83cc8fd6fbf15331f2

Authored by Jan Kiszka
Committed by Anthony Liguori
1 parent de65fe0f

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>
Inline Side-by-side
Showing 2 changed files with 3 additions and 1 deletions
targphys.h
  View file @9fa0638
@@ -12,9 +12,11 @@ @@ -12,9 +12,11 @@
12 12
13 #if TARGET_PHYS_ADDR_BITS == 32 13 #if TARGET_PHYS_ADDR_BITS == 32
14 typedef uint32_t target_phys_addr_t; 14 typedef uint32_t target_phys_addr_t;
  15 +#define TARGET_PHYS_ADDR_MAX UINT32_MAX
15 #define TARGET_FMT_plx "%08x" 16 #define TARGET_FMT_plx "%08x"
16 #elif TARGET_PHYS_ADDR_BITS == 64 17 #elif TARGET_PHYS_ADDR_BITS == 64
17 typedef uint64_t target_phys_addr_t; 18 typedef uint64_t target_phys_addr_t;
  19 +#define TARGET_PHYS_ADDR_MAX UINT64_MAX
18 #define TARGET_FMT_plx "%016" PRIx64 20 #define TARGET_FMT_plx "%016" PRIx64
19 #endif 21 #endif
20 #endif 22 #endif
@@ -3231,7 +3231,7 @@ static int ram_save_live(QEMUFile *f, int stage, void *opaque) @@ -3231,7 +3231,7 @@ static int ram_save_live(QEMUFile *f, int stage, void *opaque)
3231 { 3231 {
3232 ram_addr_t addr; 3232 ram_addr_t addr;
3233 3233
3234 - if (cpu_physical_sync_dirty_bitmap(0, last_ram_offset) != 0) { 3234 + if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
3235 qemu_file_set_error(f); 3235 qemu_file_set_error(f);
3236 return 0; 3236 return 0;
3237 } 3237 }