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/*
* APIC driver for the IBM "Summit" chipset.
*/
#define APIC_DEFINITION 1
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <asm/mpspec.h>
#include <asm/genapic.h>
#include <asm/fixmap.h>
#include <asm/apicdef.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <asm/summit/apicdef.h>
#include <linux/smp.h>
#include <asm/summit/apic.h>
#include <asm/summit/ipi.h>
#include <asm/summit/mpparse.h>
#include <asm/mach-default/mach_wakecpu.h>
static int probe_summit(void)
{
/* probed later in mptable/ACPI hooks */
return 0;
}
static void vector_allocation_domain(int cpu, cpumask_t *retmask)
{
/* Careful. Some cpus do not strictly honor the set of cpus
* specified in the interrupt destination when using lowest
* priority interrupt delivery mode.
*
* In particular there was a hyperthreading cpu observed to
* deliver interrupts to the wrong hyperthread when only one
* hyperthread was specified in the interrupt desitination.
*/
*retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
}
struct genapic apic_summit = APIC_INIT("summit", probe_summit);
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