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ram: ram_discard_range() don't use the mis parameter

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Juan Quintela 2017-03-21 11:35:24 +01:00
parent 15440dd5a0
commit aaa2064c2a
4 changed files with 7 additions and 14 deletions
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3
include/migration/migration.h
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@ -270,8 +270,7 @@ void ram_debug_dump_bitmap(unsigned long *todump, bool expected);
/* For outgoing discard bitmap */ /* For outgoing discard bitmap */
int ram_postcopy_send_discard_bitmap(MigrationState *ms); int ram_postcopy_send_discard_bitmap(MigrationState *ms);
/* For incoming postcopy discard */ /* For incoming postcopy discard */
int ram_discard_range(MigrationIncomingState *mis, const char *block_name, int ram_discard_range(const char *block_name, uint64_t start, size_t length);
uint64_t start, size_t length);
int ram_postcopy_incoming_init(MigrationIncomingState *mis); int ram_postcopy_incoming_init(MigrationIncomingState *mis);
void ram_postcopy_migrated_memory_release(MigrationState *ms); void ram_postcopy_migrated_memory_release(MigrationState *ms);

6
migration/postcopy-ram.c
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@ -213,8 +213,6 @@ out:
static int init_range(const char *block_name, void *host_addr, static int init_range(const char *block_name, void *host_addr,
ram_addr_t offset, ram_addr_t length, void *opaque) ram_addr_t offset, ram_addr_t length, void *opaque)
{ {
MigrationIncomingState *mis = opaque;
trace_postcopy_init_range(block_name, host_addr, offset, length); trace_postcopy_init_range(block_name, host_addr, offset, length);
/* /*
@ -223,7 +221,7 @@ static int init_range(const char *block_name, void *host_addr,
* - we're going to get the copy from the source anyway. * - we're going to get the copy from the source anyway.
* (Precopy will just overwrite this data, so doesn't need the discard) * (Precopy will just overwrite this data, so doesn't need the discard)
*/ */
if (ram_discard_range(mis, block_name, 0, length)) { if (ram_discard_range(block_name, 0, length)) {
return -1; return -1;
} }
@ -271,7 +269,7 @@ static int cleanup_range(const char *block_name, void *host_addr,
*/ */
int postcopy_ram_incoming_init(MigrationIncomingState *mis, size_t ram_pages) int postcopy_ram_incoming_init(MigrationIncomingState *mis, size_t ram_pages)
{ {
if (qemu_ram_foreach_block(init_range, mis)) { if (qemu_ram_foreach_block(init_range, NULL)) {
return -1; return -1;
} }

9
migration/ram.c
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@ -782,7 +782,7 @@ static void ram_release_pages(const char *rbname, uint64_t offset, int pages)
return; return;
} }
ram_discard_range(NULL, rbname, offset, pages << TARGET_PAGE_BITS); ram_discard_range(rbname, offset, pages << TARGET_PAGE_BITS);
} }
/** /**
@ -1608,7 +1608,7 @@ void ram_postcopy_migrated_memory_release(MigrationState *ms)
while (run_start < range) { while (run_start < range) {
unsigned long run_end = find_next_bit(bitmap, range, run_start + 1); unsigned long run_end = find_next_bit(bitmap, range, run_start + 1);
ram_discard_range(NULL, block->idstr, run_start << TARGET_PAGE_BITS, ram_discard_range(block->idstr, run_start << TARGET_PAGE_BITS,
(run_end - run_start) << TARGET_PAGE_BITS); (run_end - run_start) << TARGET_PAGE_BITS);
run_start = find_next_zero_bit(bitmap, range, run_end + 1); run_start = find_next_zero_bit(bitmap, range, run_end + 1);
} }
@ -1948,15 +1948,12 @@ int ram_postcopy_send_discard_bitmap(MigrationState *ms)
* *
* Returns zero on success * Returns zero on success
* *
* @mis: current migration incoming state
* @rbname: name of the RAMBlock of the request. NULL means the * @rbname: name of the RAMBlock of the request. NULL means the
* same that last one. * same that last one.
* @start: RAMBlock starting page * @start: RAMBlock starting page
* @length: RAMBlock size * @length: RAMBlock size
*/ */
int ram_discard_range(MigrationIncomingState *mis, int ram_discard_range(const char *rbname, uint64_t start, size_t length)
const char *rbname,
uint64_t start, size_t length)
{ {
int ret = -1; int ret = -1;

3
migration/savevm.c
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@ -1479,8 +1479,7 @@ static int loadvm_postcopy_ram_handle_discard(MigrationIncomingState *mis,
block_length = qemu_get_be64(mis->from_src_file); block_length = qemu_get_be64(mis->from_src_file);
len -= 16; len -= 16;
int ret = ram_discard_range(mis, ramid, start_addr, int ret = ram_discard_range(ramid, start_addr, block_length);
block_length);
if (ret) { if (ret) {
return ret; return ret;
} }