gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

AP init: synchronize syscall channel initialization

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

7
kernel/ap.c
View File

@ -39,6 +39,8 @@
int num_processors = 1; int num_processors = 1;
static volatile int ap_stop = 1; static volatile int ap_stop = 1;
mcs_lock_node_t ap_syscall_semaphore;
static void ap_wait(void) static void ap_wait(void)
{ {
init_tick(); init_tick();
@ -53,7 +55,11 @@ static void ap_wait(void)
arch_start_pvclock(); arch_start_pvclock();
if (find_command_line("hidos")) { if (find_command_line("hidos")) {
mcs_lock_node_t mcs_node;
mcs_lock_lock_noirq(&ap_syscall_semaphore, &mcs_node);
init_host_syscall_channel(); init_host_syscall_channel();
mcs_lock_unlock_noirq(&ap_syscall_semaphore, &mcs_node);
} }
pc_ap_init(); pc_ap_init();
@ -67,6 +73,7 @@ static void ap_wait(void)
void ap_start(void) void ap_start(void)
{ {
init_tick(); init_tick();
mcs_lock_init(&ap_syscall_semaphore);
ap_stop = 0; ap_stop = 0;
sync_tick(); sync_tick();
} }