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Diffstat (limited to 'arch/x86/kernel/ipi.c')
-rw-r--r--arch/x86/kernel/ipi.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c
index f1c688e46f35..86aa50fc65a1 100644
--- a/arch/x86/kernel/ipi.c
+++ b/arch/x86/kernel/ipi.c
@@ -116,9 +116,9 @@ static inline void __send_IPI_dest_field(unsigned long mask, int vector)
116/* 116/*
117 * This is only used on smaller machines. 117 * This is only used on smaller machines.
118 */ 118 */
119void send_IPI_mask_bitmask(cpumask_t cpumask, int vector) 119void send_IPI_mask_bitmask(const cpumask_t *cpumask, int vector)
120{ 120{
121 unsigned long mask = cpus_addr(cpumask)[0]; 121 unsigned long mask = cpus_addr(*cpumask)[0];
122 unsigned long flags; 122 unsigned long flags;
123 123
124 local_irq_save(flags); 124 local_irq_save(flags);
@@ -127,7 +127,7 @@ void send_IPI_mask_bitmask(cpumask_t cpumask, int vector)
127 local_irq_restore(flags); 127 local_irq_restore(flags);
128} 128}
129 129
130void send_IPI_mask_sequence(cpumask_t mask, int vector) 130void send_IPI_mask_sequence(const cpumask_t *mask, int vector)
131{ 131{
132 unsigned long flags; 132 unsigned long flags;
133 unsigned int query_cpu; 133 unsigned int query_cpu;
@@ -139,12 +139,24 @@ void send_IPI_mask_sequence(cpumask_t mask, int vector)
139 */ 139 */
140 140
141 local_irq_save(flags); 141 local_irq_save(flags);
142 for_each_possible_cpu(query_cpu) { 142 for_each_cpu_mask_nr(query_cpu, *mask)
143 if (cpu_isset(query_cpu, mask)) { 143 __send_IPI_dest_field(cpu_to_logical_apicid(query_cpu), vector);
144 local_irq_restore(flags);
145}
146
147void send_IPI_mask_allbutself(const cpumask_t *mask, int vector)
148{
149 unsigned long flags;
150 unsigned int query_cpu;
151 unsigned int this_cpu = smp_processor_id();
152
153 /* See Hack comment above */
154
155 local_irq_save(flags);
156 for_each_cpu_mask_nr(query_cpu, *mask)
157 if (query_cpu != this_cpu)
144 __send_IPI_dest_field(cpu_to_logical_apicid(query_cpu), 158 __send_IPI_dest_field(cpu_to_logical_apicid(query_cpu),
145 vector); 159 vector);
146 }
147 }
148 local_irq_restore(flags); 160 local_irq_restore(flags);
149} 161}
150 162