diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/rcu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/util/rcu.c b/util/rcu.c index 486d7b6cc2..bd73b8eb47 100644 --- a/util/rcu.c +++ b/util/rcu.c @@ -35,6 +35,7 @@ #include "qemu/rcu.h" #include "qemu/atomic.h" #include "qemu/thread.h" +#include "qemu/main-loop.h" /* * Global grace period counter. Bit 0 is always one in rcu_gp_ctr. @@ -237,20 +238,24 @@ static void *call_rcu_thread(void *opaque) atomic_sub(&rcu_call_count, n); synchronize_rcu(); + qemu_mutex_lock_iothread(); while (n > 0) { node = try_dequeue(); while (!node) { + qemu_mutex_unlock_iothread(); qemu_event_reset(&rcu_call_ready_event); node = try_dequeue(); if (!node) { qemu_event_wait(&rcu_call_ready_event); node = try_dequeue(); } + qemu_mutex_lock_iothread(); } n--; node->func(node); } + qemu_mutex_unlock_iothread(); } abort(); } |