Let's consolidate resetting the variables.
Cc: "Dr. David Alan Gilbert" <dgilb...@redhat.com>
Cc: Juan Quintela <quint...@redhat.com>
Cc: Peter Xu <pet...@redhat.com>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
migration/ram.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index f815f4e532..1a5ff07997 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -3126,7 +3126,7 @@ static int ram_load_postcopy(QEMUFile *f)
/* Temporary page that is later 'placed' */
void *postcopy_host_page = mis->postcopy_tmp_page;
void *host_page = NULL;
- bool all_zero = false;
+ bool all_zero = true;
int target_pages = 0;
while (!ret && !(flags & RAM_SAVE_FLAG_EOS)) {
@@ -3152,7 +3152,6 @@ static int ram_load_postcopy(QEMUFile *f)
addr &= TARGET_PAGE_MASK;
trace_ram_load_postcopy_loop((uint64_t)addr, flags);
- place_needed = false;
if (flags & (RAM_SAVE_FLAG_ZERO | RAM_SAVE_FLAG_PAGE |
RAM_SAVE_FLAG_COMPRESS_PAGE)) {
block = ram_block_from_stream(f, flags);
@@ -3180,9 +3179,7 @@ static int ram_load_postcopy(QEMUFile *f)
*/
page_buffer = postcopy_host_page +
host_page_offset_from_ram_block_offset(block, addr);
- /* If all TP are zero then we can optimise the place */
if (target_pages == 1) {
- all_zero = true;
host_page = host_page_from_ram_block_offset(block, addr);
} else if (host_page != host_page_from_ram_block_offset(block,
addr)) {
@@ -3199,7 +3196,6 @@ static int ram_load_postcopy(QEMUFile *f)
*/
if (target_pages == (block->page_size / TARGET_PAGE_SIZE)) {
place_needed = true;
- target_pages = 0;
}
place_source = postcopy_host_page;
}
@@ -3276,6 +3272,10 @@ static int ram_load_postcopy(QEMUFile *f)
ret = postcopy_place_page(mis, host_page, place_source,
block);
}
+ place_needed = false;
+ target_pages = 0;
+ /* Assume we have a zero page until we detect something different
*/
+ all_zero = true;
}
}
--
2.24.1
