From 3416ab5bb452f1b6cea58aed8983ffb9a455b7c4 Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Wed, 20 Apr 2016 11:56:01 +0200
Subject: migration: Don't create decompression threads if not enabled

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>

--

I removed the [HACK] part because previous patch just check that
compression pages are not received.
---
 migration/ram.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'migration/ram.c')

diff --git a/migration/ram.c b/migration/ram.c
index 09b483c83d..0baa1e0d56 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -2234,6 +2234,9 @@ 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);
@@ -2255,6 +2258,9 @@ 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);
-- 
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