diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 450eb3ce65..2140465709 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -127,9 +127,10 @@ int cpu_get_pic_interrupt(CPUX86State *env) /* Make sure everything is in a consistent state for calling fork(). */ void fork_start(void) { - cpu_list_lock(); - qemu_mutex_lock(&tb_ctx.tb_lock); + start_exclusive(); mmap_fork_start(); + qemu_mutex_lock(&tb_ctx.tb_lock); + cpu_list_lock(); } void fork_end(int child) @@ -147,9 +148,13 @@ void fork_end(int child) qemu_mutex_init(&tb_ctx.tb_lock); qemu_init_cpu_list(); gdbserver_fork(thread_cpu); + /* qemu_init_cpu_list() takes care of reinitializing the + * exclusive state, so we don't need to end_exclusive() here. + */ } else { qemu_mutex_unlock(&tb_ctx.tb_lock); cpu_list_unlock(); + end_exclusive(); } } |