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-rw-r--r--sys/arch/amd64/lapic.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/amd64/lapic.c b/sys/arch/amd64/lapic.c
index 53a4fd5..76b0f87 100644
--- a/sys/arch/amd64/lapic.c
+++ b/sys/arch/amd64/lapic.c
@@ -249,10 +249,11 @@ lapic_init(void)
/* Register the timer for scheduler usage */
register_timer(TIMER_SCHED, &lapic_timer);
- /* Get the current processor, and calibrate LAPIC timer */
+ /* Get the current processor, and lock its structure */
cur_cpu = this_cpu();
CPU_INFO_LOCK(cur_cpu);
+ /* Calibrate timer */
lapic_timer_init(&tmr_freq);
cur_cpu->lapic_tmr_freq = tmr_freq;
@@ -260,5 +261,6 @@ lapic_init(void)
cur_cpu->lapic_id = lapic_get_id();
BSP_KINFO("BSP Local APIC ID: %d\n", cur_cpu->lapic_id);
+ CPU_INFO_UNLOCK(cur_cpu);
}