cpus-common: move CPU list management to common code

Add a mutex for the CPU list to system emulation, as it will be used to
manage safe work.  Abstract manipulation of the CPU list in new functions
cpu_list_add and cpu_list_remove.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/vl.c b/vl.c
index 215a6f9c7a..eda83fa93d 100644
--- a/vl.c
+++ b/vl.c
@@ -3017,6 +3017,7 @@ int main(int argc, char **argv, char **envp)
     Error *err = NULL;
     bool list_data_dirs = false;
 
+    qemu_init_cpu_list();
     qemu_init_cpu_loop();
     qemu_mutex_lock_iothread();