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-rw-r--r--arch/x86/kernel/apic/apic.c2
-rw-r--r--arch/x86/kernel/smpboot.c7
-rw-r--r--arch/x86/kernel/time.c5
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 8dbcff2f96eb..3d08649acec6 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2423,8 +2423,6 @@ void __init apic_bsp_setup(bool upmode)
#ifdef CONFIG_UP_LATE_INIT
void __init up_late_init(void)
{
- x86_init.irqs.intr_mode_init();
-
if (apic_intr_mode == APIC_PIC)
return;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 3d045e82352d..81652e3b8c17 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1263,8 +1263,9 @@ static void __init smp_get_logical_apicid(void)
}
/*
- * Prepare for SMP bootup. The MP table or ACPI has been read
- * earlier. Just do some sanity checking here and enable APIC mode.
+ * Prepare for SMP bootup.
+ * @max_cpus: configured maximum number of CPUs, It is a legacy parameter
+ * for common interface support.
*/
void __init native_smp_prepare_cpus(unsigned int max_cpus)
{
@@ -1296,8 +1297,6 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
set_cpu_sibling_map(0);
- x86_init.irqs.intr_mode_init();
-
smp_sanity_check();
switch (apic_intr_mode) {
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index e0754cdbad37..3ceb834233c8 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -84,6 +84,11 @@ void __init hpet_time_init(void)
static __init void x86_late_time_init(void)
{
x86_init.timers.timer_init();
+ /*
+ * After PIT/HPET timers init, select and setup
+ * the final interrupt mode for delivering IRQs.
+ */
+ x86_init.irqs.intr_mode_init();
tsc_init();
}