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authorPeter Maydell <peter.maydell@linaro.org>2017-03-16 15:32:07 +0000
committerPeter Maydell <peter.maydell@linaro.org>2017-03-16 15:32:08 +0000
commitc5e737e5fbb8e48f9371764cc156ed15f4047a00 (patch)
treee228bd7044d11f00442ab20258b5dababf9b8565 /include
parent094a9a7cd677237a07b4e4f1e8a39a5af38d0cbe (diff)
parent8679638b0e231f97ad3456c681bf569ca7f7f6d5 (diff)
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20170316' into staging
migration/next for 20170316 # gpg: Signature made Thu 16 Mar 2017 08:21:51 GMT # gpg: using RSA key 0xF487EF185872D723 # gpg: Good signature from "Juan Quintela <quintela@redhat.com>" # gpg: aka "Juan Quintela <quintela@trasno.org>" # Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723 * remotes/juanquintela/tags/migration/20170316: postcopy: Check for shared memory RAMBlocks: qemu_ram_is_shared vmstate: fix failed iotests case 68 and 91 migration/block: Avoid invoking blk_drain too frequently migration: use "" as the default for tls-creds/hostname Change the method to calculate dirty-pages-rate Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/exec/cpu-common.h1
-rw-r--r--include/exec/ram_addr.h5
2 files changed, 5 insertions, 1 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index b62f0d8..4d45a72 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -69,6 +69,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
void qemu_ram_unset_idstr(RAMBlock *block);
const char *qemu_ram_get_idstr(RAMBlock *rb);
+bool qemu_ram_is_shared(RAMBlock *rb);
size_t qemu_ram_pagesize(RAMBlock *block);
size_t qemu_ram_pagesize_largest(void);
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index cd432e7..b05dc84 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -355,7 +355,8 @@ static inline void cpu_physical_memory_clear_dirty_range(ram_addr_t start,
static inline
uint64_t cpu_physical_memory_sync_dirty_bitmap(unsigned long *dest,
ram_addr_t start,
- ram_addr_t length)
+ ram_addr_t length,
+ int64_t *real_dirty_pages)
{
ram_addr_t addr;
unsigned long page = BIT_WORD(start >> TARGET_PAGE_BITS);
@@ -379,6 +380,7 @@ uint64_t cpu_physical_memory_sync_dirty_bitmap(unsigned long *dest,
if (src[idx][offset]) {
unsigned long bits = atomic_xchg(&src[idx][offset], 0);
unsigned long new_dirty;
+ *real_dirty_pages += ctpopl(bits);
new_dirty = ~dest[k];
dest[k] |= bits;
new_dirty &= bits;
@@ -398,6 +400,7 @@ uint64_t cpu_physical_memory_sync_dirty_bitmap(unsigned long *dest,
start + addr,
TARGET_PAGE_SIZE,
DIRTY_MEMORY_MIGRATION)) {
+ *real_dirty_pages += 1;
long k = (start + addr) >> TARGET_PAGE_BITS;
if (!test_and_set_bit(k, dest)) {
num_dirty++;