aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kernel/apic/apic.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
-rw-r--r--arch/x86/kernel/apic/apic.c38
1 files changed, 15 insertions, 23 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index aee7deddabd0..2d75faf743f2 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -731,8 +731,10 @@ static int __init calibrate_APIC_clock(void)
TICK_NSEC, lapic_clockevent.shift);
lapic_clockevent.max_delta_ns =
clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
+ lapic_clockevent.max_delta_ticks = 0x7FFFFF;
lapic_clockevent.min_delta_ns =
clockevent_delta2ns(0xF, &lapic_clockevent);
+ lapic_clockevent.min_delta_ticks = 0xF;
lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
return 0;
}
@@ -778,8 +780,10 @@ static int __init calibrate_APIC_clock(void)
lapic_clockevent.shift);
lapic_clockevent.max_delta_ns =
clockevent_delta2ns(0x7FFFFFFF, &lapic_clockevent);
+ lapic_clockevent.max_delta_ticks = 0x7FFFFFFF;
lapic_clockevent.min_delta_ns =
clockevent_delta2ns(0xF, &lapic_clockevent);
+ lapic_clockevent.min_delta_ticks = 0xF;
lapic_timer_frequency = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
@@ -1789,8 +1793,8 @@ void __init init_apic_mappings(void)
apic_phys = mp_lapic_addr;
/*
- * acpi lapic path already maps that address in
- * acpi_register_lapic_address()
+ * If the system has ACPI MADT tables or MP info, the LAPIC
+ * address is already registered.
*/
if (!acpi_lapic && !smp_found_config)
register_lapic_address(apic_phys);
@@ -2063,7 +2067,7 @@ static int allocate_logical_cpuid(int apicid)
return nr_logical_cpuids++;
}
-int __generic_processor_info(int apicid, int version, bool enabled)
+int generic_processor_info(int apicid, int version)
{
int cpu, max = nr_cpu_ids;
bool boot_cpu_detected = physid_isset(boot_cpu_physical_apicid,
@@ -2121,11 +2125,9 @@ int __generic_processor_info(int apicid, int version, bool enabled)
if (num_processors >= nr_cpu_ids) {
int thiscpu = max + disabled_cpus;
- if (enabled) {
- pr_warning("APIC: NR_CPUS/possible_cpus limit of %i "
- "reached. Processor %d/0x%x ignored.\n",
- max, thiscpu, apicid);
- }
+ pr_warning("APIC: NR_CPUS/possible_cpus limit of %i "
+ "reached. Processor %d/0x%x ignored.\n",
+ max, thiscpu, apicid);
disabled_cpus++;
return -EINVAL;
@@ -2177,23 +2179,13 @@ int __generic_processor_info(int apicid, int version, bool enabled)
apic->x86_32_early_logical_apicid(cpu);
#endif
set_cpu_possible(cpu, true);
-
- if (enabled) {
- num_processors++;
- physid_set(apicid, phys_cpu_present_map);
- set_cpu_present(cpu, true);
- } else {
- disabled_cpus++;
- }
+ physid_set(apicid, phys_cpu_present_map);
+ set_cpu_present(cpu, true);
+ num_processors++;
return cpu;
}
-int generic_processor_info(int apicid, int version)
-{
- return __generic_processor_info(apicid, version, true);
-}
-
int hard_smp_processor_id(void)
{
return read_apic_id();
@@ -2249,7 +2241,7 @@ void __init apic_set_eoi_write(void (*eoi_write)(u32 reg, u32 v))
static void __init apic_bsp_up_setup(void)
{
#ifdef CONFIG_X86_64
- apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid));
+ apic_write(APIC_ID, apic->set_apic_id(boot_cpu_physical_apicid));
#else
/*
* Hack: In case of kdump, after a crash, kernel might be booting
@@ -2639,7 +2631,7 @@ static int __init lapic_insert_resource(void)
}
/*
- * need call insert after e820_reserve_resources()
+ * need call insert after e820__reserve_resources()
* that is using request_resource
*/
late_initcall(lapic_insert_resource);