2 * APIC driver for the IBM "Summit" chipset.
4 #define APIC_DEFINITION 1
5 #include <linux/threads.h>
6 #include <linux/cpumask.h>
7 #include <asm/mpspec.h>
8 #include <asm/genapic.h>
9 #include <asm/fixmap.h>
10 #include <asm/apicdef.h>
11 #include <linux/kernel.h>
12 #include <linux/string.h>
13 #include <linux/init.h>
14 #include <asm/summit/apicdef.h>
15 #include <linux/smp.h>
16 #include <asm/summit/apic.h>
17 #include <asm/summit/ipi.h>
18 #include <asm/summit/mpparse.h>
19 #include <asm/mach-default/mach_wakecpu.h>
21 static int probe_summit(void)
23 /* probed later in mptable/ACPI hooks */
27 static void vector_allocation_domain(int cpu
, cpumask_t
*retmask
)
29 /* Careful. Some cpus do not strictly honor the set of cpus
30 * specified in the interrupt destination when using lowest
31 * priority interrupt delivery mode.
33 * In particular there was a hyperthreading cpu observed to
34 * deliver interrupts to the wrong hyperthread when only one
35 * hyperthread was specified in the interrupt desitination.
37 *retmask
= (cpumask_t
){ { [0] = APIC_ALL_CPUS
, } };
40 struct genapic apic_summit
= APIC_INIT("summit", probe_summit
);