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Diffstat (limited to 'arch/x86/include/asm/ipi.h')
-rw-r--r--arch/x86/include/asm/ipi.h23
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
index f89dffb28aa9..c745a306f7d3 100644
--- a/arch/x86/include/asm/ipi.h
+++ b/arch/x86/include/asm/ipi.h
@@ -117,7 +117,8 @@ static inline void __send_IPI_dest_field(unsigned int mask, int vector,
native_apic_mem_write(APIC_ICR, cfg);
}
-static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
+static inline void send_IPI_mask_sequence(const struct cpumask *mask,
+ int vector)
{
unsigned long flags;
unsigned long query_cpu;
@@ -128,11 +129,29 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
* - mbligh
*/
local_irq_save(flags);
- for_each_cpu_mask_nr(query_cpu, mask) {
+ for_each_cpu(query_cpu, mask) {
__send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, query_cpu),
vector, APIC_DEST_PHYSICAL);
}
local_irq_restore(flags);
}
+static inline void send_IPI_mask_allbutself(const struct cpumask *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(query_cpu, mask)
+ if (query_cpu != this_cpu)
+ __send_IPI_dest_field(
+ per_cpu(x86_cpu_to_apicid, query_cpu),
+ vector, APIC_DEST_PHYSICAL);
+ local_irq_restore(flags);
+}
+
#endif /* _ASM_X86_IPI_H */