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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 f1c688e46f3..86aa50fc65a 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)
/*
* This is only used on smaller machines.
*/
-void send_IPI_mask_bitmask(cpumask_t cpumask, int vector)
+void send_IPI_mask_bitmask(const cpumask_t *cpumask, int vector)
{
- unsigned long mask = cpus_addr(cpumask)[0];
+ unsigned long mask = cpus_addr(*cpumask)[0];
unsigned long flags;
local_irq_save(flags);
@@ -127,7 +127,7 @@ void send_IPI_mask_bitmask(cpumask_t cpumask, int vector)
local_irq_restore(flags);
}
-void send_IPI_mask_sequence(cpumask_t mask, int vector)
+void send_IPI_mask_sequence(const cpumask_t *mask, int vector)
{
unsigned long flags;
unsigned int query_cpu;
@@ -139,12 +139,24 @@ void send_IPI_mask_sequence(cpumask_t mask, int vector)
*/
local_irq_save(flags);
- for_each_possible_cpu(query_cpu) {
- if (cpu_isset(query_cpu, mask)) {
+ for_each_cpu_mask_nr(query_cpu, *mask)
+ __send_IPI_dest_field(cpu_to_logical_apicid(query_cpu), vector);
+ local_irq_restore(flags);
+}
+
+void send_IPI_mask_allbutself(const cpumask_t *mask, int vector)
+{
+ unsigned long flags;
+ unsigned int query_cpu;
+ unsigned int this_cpu = smp_processor_id();
+
+ /* See Hack comment above */
+
+ local_irq_save(flags);
+ for_each_cpu_mask_nr(query_cpu, *mask)
+ if (query_cpu != this_cpu)
__send_IPI_dest_field(cpu_to_logical_apicid(query_cpu),
vector);
- }
- }
local_irq_restore(flags);
}