diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:17:24 -0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:17:24 -0400 |
commit | 250c22777fe1ccd7ac588579a6c16db4c0161cc5 (patch) | |
tree | 55c317efb7d792ec6fdae1d1937c67a502c48dec /arch/x86_64/kernel/genapic_64.c | |
parent | 2db55d344e529492545cb3b755c7e9ba8e4fa94e (diff) |
x86_64: move kernel
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86_64/kernel/genapic_64.c')
-rw-r--r-- | arch/x86_64/kernel/genapic_64.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/arch/x86_64/kernel/genapic_64.c b/arch/x86_64/kernel/genapic_64.c deleted file mode 100644 index 47496a40e84f..000000000000 --- a/arch/x86_64/kernel/genapic_64.c +++ /dev/null | |||
@@ -1,66 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2004 James Cleverdon, IBM. | ||
3 | * Subject to the GNU Public License, v.2 | ||
4 | * | ||
5 | * Generic APIC sub-arch probe layer. | ||
6 | * | ||
7 | * Hacked for x86-64 by James Cleverdon from i386 architecture code by | ||
8 | * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and | ||
9 | * James Cleverdon. | ||
10 | */ | ||
11 | #include <linux/threads.h> | ||
12 | #include <linux/cpumask.h> | ||
13 | #include <linux/string.h> | ||
14 | #include <linux/module.h> | ||
15 | #include <linux/kernel.h> | ||
16 | #include <linux/ctype.h> | ||
17 | #include <linux/init.h> | ||
18 | |||
19 | #include <asm/smp.h> | ||
20 | #include <asm/ipi.h> | ||
21 | #include <asm/genapic.h> | ||
22 | |||
23 | #ifdef CONFIG_ACPI | ||
24 | #include <acpi/acpi_bus.h> | ||
25 | #endif | ||
26 | |||
27 | /* which logical CPU number maps to which CPU (physical APIC ID) */ | ||
28 | u8 x86_cpu_to_apicid[NR_CPUS] __read_mostly | ||
29 | = { [0 ... NR_CPUS-1] = BAD_APICID }; | ||
30 | EXPORT_SYMBOL(x86_cpu_to_apicid); | ||
31 | |||
32 | u8 x86_cpu_to_log_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID }; | ||
33 | |||
34 | struct genapic __read_mostly *genapic = &apic_flat; | ||
35 | |||
36 | /* | ||
37 | * Check the APIC IDs in bios_cpu_apicid and choose the APIC mode. | ||
38 | */ | ||
39 | void __init setup_apic_routing(void) | ||
40 | { | ||
41 | #ifdef CONFIG_ACPI | ||
42 | /* | ||
43 | * Quirk: some x86_64 machines can only use physical APIC mode | ||
44 | * regardless of how many processors are present (x86_64 ES7000 | ||
45 | * is an example). | ||
46 | */ | ||
47 | if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID && | ||
48 | (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) | ||
49 | genapic = &apic_physflat; | ||
50 | else | ||
51 | #endif | ||
52 | |||
53 | if (cpus_weight(cpu_possible_map) <= 8) | ||
54 | genapic = &apic_flat; | ||
55 | else | ||
56 | genapic = &apic_physflat; | ||
57 | |||
58 | printk(KERN_INFO "Setting APIC routing to %s\n", genapic->name); | ||
59 | } | ||
60 | |||
61 | /* Same for both flat and physical. */ | ||
62 | |||
63 | void send_IPI_self(int vector) | ||
64 | { | ||
65 | __send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL); | ||
66 | } | ||