diff options
author | Yinghai Lu <yinghai@kernel.org> | 2009-01-30 20:29:27 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-02-05 16:27:56 -0500 |
commit | c5e954820335ef5aed1662b70aaf5deb9de16735 (patch) | |
tree | 0517328a865ac68646f30981f5a1ca9763af1aac /arch/x86/kernel/ipi.c | |
parent | fdbecd9fd14198853bec4cbae8bc7af93f2e3de3 (diff) |
x86: move default_ipi_xx back to ipi.c
Impact: cleanup
only leave _default_ipi_xx etc in .h
Beyond the cleanup factor, this saves a bit of code size as well:
text data bss dec hex filename
7281931 1630144 1463304 10375379 9e50d3 vmlinux.before
7281753 1630144 1463304 10375201 9e5021 vmlinux.after
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/ipi.c')
-rw-r--r-- | arch/x86/kernel/ipi.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c index 339f4f3feee..dbf5445727a 100644 --- a/arch/x86/kernel/ipi.c +++ b/arch/x86/kernel/ipi.c | |||
@@ -19,8 +19,116 @@ | |||
19 | #include <asm/proto.h> | 19 | #include <asm/proto.h> |
20 | #include <asm/ipi.h> | 20 | #include <asm/ipi.h> |
21 | 21 | ||
22 | void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector) | ||
23 | { | ||
24 | unsigned long query_cpu; | ||
25 | unsigned long flags; | ||
26 | |||
27 | /* | ||
28 | * Hack. The clustered APIC addressing mode doesn't allow us to send | ||
29 | * to an arbitrary mask, so I do a unicast to each CPU instead. | ||
30 | * - mbligh | ||
31 | */ | ||
32 | local_irq_save(flags); | ||
33 | for_each_cpu(query_cpu, mask) { | ||
34 | __default_send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, | ||
35 | query_cpu), vector, APIC_DEST_PHYSICAL); | ||
36 | } | ||
37 | local_irq_restore(flags); | ||
38 | } | ||
39 | |||
40 | void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, | ||
41 | int vector) | ||
42 | { | ||
43 | unsigned int this_cpu = smp_processor_id(); | ||
44 | unsigned int query_cpu; | ||
45 | unsigned long flags; | ||
46 | |||
47 | /* See Hack comment above */ | ||
48 | |||
49 | local_irq_save(flags); | ||
50 | for_each_cpu(query_cpu, mask) { | ||
51 | if (query_cpu == this_cpu) | ||
52 | continue; | ||
53 | __default_send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, | ||
54 | query_cpu), vector, APIC_DEST_PHYSICAL); | ||
55 | } | ||
56 | local_irq_restore(flags); | ||
57 | } | ||
58 | |||
59 | void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, | ||
60 | int vector) | ||
61 | { | ||
62 | unsigned long flags; | ||
63 | unsigned int query_cpu; | ||
64 | |||
65 | /* | ||
66 | * Hack. The clustered APIC addressing mode doesn't allow us to send | ||
67 | * to an arbitrary mask, so I do a unicasts to each CPU instead. This | ||
68 | * should be modified to do 1 message per cluster ID - mbligh | ||
69 | */ | ||
70 | |||
71 | local_irq_save(flags); | ||
72 | for_each_cpu(query_cpu, mask) | ||
73 | __default_send_IPI_dest_field( | ||
74 | apic->cpu_to_logical_apicid(query_cpu), vector, | ||
75 | apic->dest_logical); | ||
76 | local_irq_restore(flags); | ||
77 | } | ||
78 | |||
79 | void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, | ||
80 | int vector) | ||
81 | { | ||
82 | unsigned long flags; | ||
83 | unsigned int query_cpu; | ||
84 | unsigned int this_cpu = smp_processor_id(); | ||
85 | |||
86 | /* See Hack comment above */ | ||
87 | |||
88 | local_irq_save(flags); | ||
89 | for_each_cpu(query_cpu, mask) { | ||
90 | if (query_cpu == this_cpu) | ||
91 | continue; | ||
92 | __default_send_IPI_dest_field( | ||
93 | apic->cpu_to_logical_apicid(query_cpu), vector, | ||
94 | apic->dest_logical); | ||
95 | } | ||
96 | local_irq_restore(flags); | ||
97 | } | ||
98 | |||
22 | #ifdef CONFIG_X86_32 | 99 | #ifdef CONFIG_X86_32 |
23 | 100 | ||
101 | /* | ||
102 | * This is only used on smaller machines. | ||
103 | */ | ||
104 | void default_send_IPI_mask_logical(const struct cpumask *cpumask, int vector) | ||
105 | { | ||
106 | unsigned long mask = cpumask_bits(cpumask)[0]; | ||
107 | unsigned long flags; | ||
108 | |||
109 | local_irq_save(flags); | ||
110 | WARN_ON(mask & ~cpumask_bits(cpu_online_mask)[0]); | ||
111 | __default_send_IPI_dest_field(mask, vector, apic->dest_logical); | ||
112 | local_irq_restore(flags); | ||
113 | } | ||
114 | |||
115 | void default_send_IPI_allbutself(int vector) | ||
116 | { | ||
117 | /* | ||
118 | * if there are no other CPUs in the system then we get an APIC send | ||
119 | * error if we try to broadcast, thus avoid sending IPIs in this case. | ||
120 | */ | ||
121 | if (!(num_online_cpus() > 1)) | ||
122 | return; | ||
123 | |||
124 | __default_local_send_IPI_allbutself(vector); | ||
125 | } | ||
126 | |||
127 | void default_send_IPI_all(int vector) | ||
128 | { | ||
129 | __default_local_send_IPI_all(vector); | ||
130 | } | ||
131 | |||
24 | void default_send_IPI_self(int vector) | 132 | void default_send_IPI_self(int vector) |
25 | { | 133 | { |
26 | __default_send_IPI_shortcut(APIC_DEST_SELF, vector, apic->dest_logical); | 134 | __default_send_IPI_shortcut(APIC_DEST_SELF, vector, apic->dest_logical); |