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authorPeter Xu <peterx@redhat.com>2022-10-11 17:55:46 -0400
committerJuan Quintela <quintela@redhat.com>2022-12-15 10:30:37 +0100
commit20123ee1ded768a908d96b39b17ea281dfdb0ea6 (patch)
tree4e209baffbe1c7315e47a7812d1521c0d64bf609 /migration
parentc13221b56faaaf732de95d05a7742c1913363b48 (diff)
migration: Add postcopy_preempt_active()
Add the helper to show that postcopy preempt enabled, meanwhile active. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r--migration/ram.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/migration/ram.c b/migration/ram.c
index cc72c24c18..00a2e30322 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -162,6 +162,11 @@ out:
return ret;
}
+static bool postcopy_preempt_active(void)
+{
+ return migrate_postcopy_preempt() && migration_in_postcopy();
+}
+
bool ramblock_is_ignored(RAMBlock *block)
{
return !qemu_ram_is_migratable(block) ||
@@ -2433,7 +2438,7 @@ static void postcopy_preempt_choose_channel(RAMState *rs, PageSearchStatus *pss)
/* We need to make sure rs->f always points to the default channel elsewhere */
static void postcopy_preempt_reset_channel(RAMState *rs)
{
- if (migrate_postcopy_preempt() && migration_in_postcopy()) {
+ if (postcopy_preempt_active()) {
rs->postcopy_channel = RAM_CHANNEL_PRECOPY;
rs->f = migrate_get_current()->to_dst_file;
trace_postcopy_preempt_reset_channel();
@@ -2471,7 +2476,7 @@ static int ram_save_host_page(RAMState *rs, PageSearchStatus *pss)
return 0;
}
- if (migrate_postcopy_preempt() && migration_in_postcopy()) {
+ if (postcopy_preempt_active()) {
postcopy_preempt_choose_channel(rs, pss);
}