diff options
Diffstat (limited to 'src/cpu/x86/mp_init.c')
| -rw-r--r-- | src/cpu/x86/mp_init.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c index 8957515540..b7b8fe2afa 100644 --- a/src/cpu/x86/mp_init.c +++ b/src/cpu/x86/mp_init.c @@ -870,13 +870,20 @@ static int run_ap_work(struct mp_callback *val, long expire_us) int i; int cpus_accepted; struct stopwatch sw; - int cur_cpu = cpu_index(); + int cur_cpu; if (!CONFIG(PARALLEL_MP_AP_WORK)) { printk(BIOS_ERR, "APs already parked. PARALLEL_MP_AP_WORK not selected.\n"); return -1; } + cur_cpu = cpu_index(); + + if (cur_cpu < 0) { + printk(BIOS_ERR, "Invalid CPU index.\n"); + return -1; + } + /* Signal to all the APs to run the func. */ for (i = 0; i < ARRAY_SIZE(ap_callbacks); i++) { if (cur_cpu == i) @@ -918,6 +925,12 @@ static void ap_wait_for_instruction(void) return; cur_cpu = cpu_index(); + + if (cur_cpu < 0) { + printk(BIOS_ERR, "Invalid CPU index.\n"); + return; + } + per_cpu_slot = &ap_callbacks[cur_cpu]; while (1) { |