blob: 2000383ab0bf07341b2dda5494aecec52a444413 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#include <xen/cpumask.h>
#include <asm/current.h>
#include <asm/mpspec.h>
#include <asm/genapic.h>
#include <asm/fixmap.h>
#include <asm/apicdef.h>
#include <xen/kernel.h>
#include <xen/smp.h>
#include <xen/init.h>
#include <xen/dmi.h>
#include <asm/io_apic.h>
static int __init cf_check force_bigsmp(const struct dmi_system_id *d)
{
printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident);
def_to_bigsmp = true;
return 0;
}
static const struct dmi_system_id __initconstrel bigsmp_dmi_table[] = {
{ force_bigsmp, "UNISYS ES7000-ONE", {
DMI_MATCH(DMI_PRODUCT_NAME, "ES7000-ONE")
}},
{ }
};
static int __init cf_check probe_bigsmp(void)
{
/*
* We don't implement cluster mode, so force use of
* physical mode in both cases.
*/
if (acpi_gbl_FADT.flags &
(ACPI_FADT_APIC_CLUSTER | ACPI_FADT_APIC_PHYSICAL))
def_to_bigsmp = true;
else if (!def_to_bigsmp)
dmi_check_system(bigsmp_dmi_table);
return def_to_bigsmp;
}
const struct genapic __initconstrel apic_bigsmp = {
APIC_INIT("bigsmp", probe_bigsmp),
GENAPIC_PHYS
};
|
