Need to set copied bitmap as closer as possible to mark_postcopy_blocktime_end.
So postcopy_place_page is proper place. RAMBlock argument here could avoid
additional RAMBlock lookup as well as reduce number of arguments
(no need to pass pointer to copied bitmap).
Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
---
migration/postcopy-ram.c | 13 ++++++++-----
migration/postcopy-ram.h | 4 ++--
migration/ram.c | 4 ++--
3 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index ade7f1c..62a272a 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -713,9 +713,10 @@ int postcopy_ram_enable_notify(MigrationIncomingState *mis)
* returns 0 on success
*/
int postcopy_place_page(MigrationIncomingState *mis, void *host, void *from,
- size_t pagesize)
+ RAMBlock *rb)
{
struct uffdio_copy copy_struct;
+ size_t pagesize = qemu_ram_pagesize(rb);
copy_struct.dst = (uint64_t)(uintptr_t)host;
copy_struct.src = (uint64_t)(uintptr_t)from;
@@ -744,10 +745,12 @@ int postcopy_place_page(MigrationIncomingState *mis, void
*host, void *from,
* returns 0 on success
*/
int postcopy_place_page_zero(MigrationIncomingState *mis, void *host,
- size_t pagesize)
+ RAMBlock *rb)
{
+ size_t pagesize;
trace_postcopy_place_page_zero(host);
+ pagesize = qemu_ram_pagesize(rb);
if (pagesize == getpagesize()) {
struct uffdio_zeropage zero_struct;
zero_struct.range.start = (uint64_t)(uintptr_t)host;
@@ -778,7 +781,7 @@ int postcopy_place_page_zero(MigrationIncomingState *mis,
void *host,
memset(mis->postcopy_tmp_zero_page, '\0', mis->largest_page_size);
}
return postcopy_place_page(mis, host, mis->postcopy_tmp_zero_page,
- pagesize);
+ rb);
}
return 0;
@@ -841,14 +844,14 @@ int postcopy_ram_enable_notify(MigrationIncomingState
*mis)
}
int postcopy_place_page(MigrationIncomingState *mis, void *host, void *from,
- size_t pagesize)
+ RAMBlock *rb)
{
assert(0);
return -1;
}
int postcopy_place_page_zero(MigrationIncomingState *mis, void *host,
- size_t pagesize)
+ RAMBlock *rb)
{
assert(0);
return -1;
diff --git a/migration/postcopy-ram.h b/migration/postcopy-ram.h
index 587a8b8..77ea0fd 100644
--- a/migration/postcopy-ram.h
+++ b/migration/postcopy-ram.h
@@ -72,14 +72,14 @@ void postcopy_discard_send_finish(MigrationState *ms,
* returns 0 on success
*/
int postcopy_place_page(MigrationIncomingState *mis, void *host, void *from,
- size_t pagesize);
+ RAMBlock *rb);
/*
* Place a zero page at (host) atomically
* returns 0 on success
*/
int postcopy_place_page_zero(MigrationIncomingState *mis, void *host,
- size_t pagesize);
+ RAMBlock *rb);
/* The current postcopy state is read/set by postcopy_state_get/set
* which update it atomically.
diff --git a/migration/ram.c b/migration/ram.c
index a7c0db4..a791d40 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -2524,10 +2524,10 @@ static int ram_load_postcopy(QEMUFile *f)
if (all_zero) {
ret = postcopy_place_page_zero(mis, place_dest,
- block->page_size);
+ block);
} else {
ret = postcopy_place_page(mis, place_dest,
- place_source, block->page_size);
+ place_source, block);
}
}
if (!ret) {
--
1.9.1
