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-rw-r--r--src/cpu/x86/mp_init.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c
index 8c48f906e4..8301e80a22 100644
--- a/src/cpu/x86/mp_init.c
+++ b/src/cpu/x86/mp_init.c
@@ -432,7 +432,7 @@ static enum cb_err send_sipi_to_aps(int ap_count, atomic_t *num_aps, int sipi_ve
static enum cb_err start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
{
- int sipi_vector;
+ int sipi_vector, total_delay;
/* Max location is 4KiB below 1MiB */
const int max_vector_loc = ((1 << 20) - (1 << 12)) >> 12;
@@ -479,7 +479,8 @@ static enum cb_err start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_ap
return CB_ERR;
/* Wait for CPUs to check in. */
- if (wait_for_aps(num_aps, ap_count, 400000 /* 400 ms */, 50 /* us */) != CB_SUCCESS) {
+ total_delay = 50000 * ap_count; /* 50 ms per AP */
+ if (wait_for_aps(num_aps, ap_count, total_delay, 50 /* us */) != CB_SUCCESS) {
printk(BIOS_ERR, "Not all APs checked in: %d/%d.\n",
atomic_read(num_aps), ap_count);
return CB_ERR;