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authorJuan Quintela <quintela@redhat.com>2017-03-21 09:09:14 +0100
committerJuan Quintela <quintela@redhat.com>2017-04-21 12:25:39 +0200
commit20afaed98b7b1796f2e67213e4118bc64b50b03a (patch)
treee52bca334cc76949d70353f84a3904044a657234 /migration
parenta0a8aa147aaa81176f550fbd556594434a345c08 (diff)
ram: Rename qemu_target_page_bits() to qemu_target_page_size()
It was used as a size in all cases except one. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r--migration/migration.c4
-rw-r--r--migration/postcopy-ram.c8
-rw-r--r--migration/savevm.c8
3 files changed, 10 insertions, 10 deletions
diff --git a/migration/migration.c b/migration/migration.c
index 7da16cf44e..92a3754923 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -654,7 +654,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
info->ram->skipped = 0;
info->ram->normal = norm_mig_pages_transferred();
info->ram->normal_bytes = norm_mig_pages_transferred() *
- (1ul << qemu_target_page_bits());
+ qemu_target_page_size();
info->ram->mbps = s->mbps;
info->ram->dirty_sync_count = ram_dirty_sync_count();
info->ram->postcopy_requests = ram_postcopy_requests();
@@ -2009,7 +2009,7 @@ static void *migration_thread(void *opaque)
10000 is a small enough number for our purposes */
if (ram_dirty_pages_rate() && transferred_bytes > 10000) {
s->expected_downtime = ram_dirty_pages_rate() *
- (1ul << qemu_target_page_bits()) / bandwidth;
+ qemu_target_page_size() / bandwidth;
}
qemu_file_reset_rate_limit(s->to_dst_file);
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index dc80dbb67f..8756364051 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -123,7 +123,7 @@ bool postcopy_ram_supported_by_host(void)
struct uffdio_range range_struct;
uint64_t feature_mask;
- if ((1ul << qemu_target_page_bits()) > pagesize) {
+ if (qemu_target_page_size() > pagesize) {
error_report("Target page size bigger than host page size");
goto out;
}
@@ -745,10 +745,10 @@ PostcopyDiscardState *postcopy_discard_send_init(MigrationState *ms,
void postcopy_discard_send_range(MigrationState *ms, PostcopyDiscardState *pds,
unsigned long start, unsigned long length)
{
- size_t tp_bits = qemu_target_page_bits();
+ size_t tp_size = qemu_target_page_size();
/* Convert to byte offsets within the RAM block */
- pds->start_list[pds->cur_entry] = (start - pds->offset) << tp_bits;
- pds->length_list[pds->cur_entry] = length << tp_bits;
+ pds->start_list[pds->cur_entry] = (start - pds->offset) * tp_size;
+ pds->length_list[pds->cur_entry] = length * tp_size;
trace_postcopy_discard_send_range(pds->ramblock_name, start, length);
pds->cur_entry++;
pds->nsentwords++;
diff --git a/migration/savevm.c b/migration/savevm.c
index 853a81a080..bbf055db75 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -871,7 +871,7 @@ void qemu_savevm_send_postcopy_advise(QEMUFile *f)
{
uint64_t tmp[2];
tmp[0] = cpu_to_be64(ram_pagesize_summary());
- tmp[1] = cpu_to_be64(1ul << qemu_target_page_bits());
+ tmp[1] = cpu_to_be64(qemu_target_page_size());
trace_qemu_savevm_send_postcopy_advise();
qemu_savevm_command_send(f, MIG_CMD_POSTCOPY_ADVISE, 16, (uint8_t *)tmp);
@@ -1390,13 +1390,13 @@ static int loadvm_postcopy_handle_advise(MigrationIncomingState *mis)
}
remote_tps = qemu_get_be64(mis->from_src_file);
- if (remote_tps != (1ul << qemu_target_page_bits())) {
+ if (remote_tps != qemu_target_page_size()) {
/*
* Again, some differences could be dealt with, but for now keep it
* simple.
*/
- error_report("Postcopy needs matching target page sizes (s=%d d=%d)",
- (int)remote_tps, 1 << qemu_target_page_bits());
+ error_report("Postcopy needs matching target page sizes (s=%d d=%zd)",
+ (int)remote_tps, qemu_target_page_size());
return -1;
}