[Qemu-devel] [PATCH 3/3] migration: Don't create decompression threads if not enabled

[Juan Quintela <quintela@redhat.com>]

Signed-off-by: Juan Quintela <quintela@redhat.com>

--

I removed the [HACK] part because previous patch just check that
compression pages are not received.

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/ram.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/migration/ram.c b/migration/ram.c
index 4bb707c..24e2591 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -2260,6 +2260,9 @@ void migrate_decompress_threads_create(void)
 {
     int i, thread_count;

+    if (!migrate_use_compression()) {
+        return;
+    }
     thread_count = migrate_decompress_threads();
     decompress_threads = g_new0(QemuThread, thread_count);
     decomp_param = g_new0(DecompressParam, thread_count);
@@ -2281,6 +2284,9 @@ void migrate_decompress_threads_join(void)
 {
     int i, thread_count;

+    if (!migrate_use_compression()) {
+        return;
+    }
     thread_count = migrate_decompress_threads();
     for (i = 0; i < thread_count; i++) {
         qemu_mutex_lock(&decomp_param[i].mutex);
-- 
2.7.4