diff options
| author | sigsegv7 <ian@vegaa.systems> | 2023-10-04 19:28:31 -0400 |
|---|---|---|
| committer | sigsegv7 <ian@vegaa.systems> | 2023-10-04 19:28:31 -0400 |
| commit | e6f471fb01a3f49660840ed9801fd30057c3f2ec (patch) | |
| tree | 577cfb07b57758e5fdc7e007388c2f16d4081fe4 /sys/arch/amd64 | |
| parent | ccf6421ebfd30808a24b1a08aa6dbf963de1f24d (diff) | |
kernel/amd64: Add spinlock to cpu_info
Signed-off-by: sigsegv7 <ian@vegaa.systems>
Diffstat (limited to 'sys/arch/amd64')
| -rw-r--r-- | sys/arch/amd64/lapic.c | 4 |
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); } |