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AP init: synchronize syscall channel initialization

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This commit is contained in:
Balazs Gerofi
2017-01-29 20:10:10 +09:00
parent addbe91e59
commit b702c9691e
1 changed files with 7 additions and 0 deletions
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7
kernel/ap.c
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@ -39,6 +39,8 @@
int num_processors = 1;
static volatile int ap_stop = 1;
mcs_lock_node_t ap_syscall_semaphore;
static void ap_wait(void)
{
init_tick();
@ -53,7 +55,11 @@ static void ap_wait(void)
arch_start_pvclock();
if (find_command_line("hidos")) {
mcs_lock_node_t mcs_node;
mcs_lock_lock_noirq(&ap_syscall_semaphore, &mcs_node);
init_host_syscall_channel();
mcs_lock_unlock_noirq(&ap_syscall_semaphore, &mcs_node);
}
pc_ap_init();
@ -67,6 +73,7 @@ static void ap_wait(void)
void ap_start(void)
{
init_tick();
mcs_lock_init(&ap_syscall_semaphore);
ap_stop = 0;
sync_tick();
}