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>
20 static int probe_summit(void)
22 /* probed later in mptable/ACPI hooks */
26 static cpumask_t vector_allocation_domain(int cpu)
28 /* Careful. Some cpus do not strictly honor the set of cpus
29 * specified in the interrupt destination when using lowest
30 * priority interrupt delivery mode.
32 * In particular there was a hyperthreading cpu observed to
33 * deliver interrupts to the wrong hyperthread when only one
34 * hyperthread was specified in the interrupt desitination.
36 cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
40 struct genapic apic_summit = APIC_INIT("summit", probe_summit);