diff options
Diffstat (limited to 'arch/x86/include/asm/ipi.h')
| -rw-r--r-- | arch/x86/include/asm/ipi.h | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h index c745a306f7d3..a8d717f2c7e7 100644 --- a/arch/x86/include/asm/ipi.h +++ b/arch/x86/include/asm/ipi.h @@ -55,8 +55,9 @@ static inline void __xapic_wait_icr_idle(void) cpu_relax(); } -static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, - unsigned int dest) +static inline void +__default_send_IPI_shortcut(unsigned int shortcut, + int vector, unsigned int dest) { /* * Subtle. In the case of the 'never do double writes' workaround @@ -87,8 +88,8 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, * This is used to send an IPI with no shorthand notation (the destination is * specified in bits 56 to 63 of the ICR). */ -static inline void __send_IPI_dest_field(unsigned int mask, int vector, - unsigned int dest) +static inline void + __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest) { unsigned long cfg; @@ -117,11 +118,11 @@ 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(const struct cpumask *mask, - int vector) +static inline void +default_send_IPI_mask_sequence(const struct cpumask *mask, int vector) { - unsigned long flags; unsigned long query_cpu; + unsigned long flags; /* * Hack. The clustered APIC addressing mode doesn't allow us to send @@ -130,27 +131,28 @@ static inline void send_IPI_mask_sequence(const struct cpumask *mask, */ local_irq_save(flags); for_each_cpu(query_cpu, mask) { - __send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, query_cpu), - vector, APIC_DEST_PHYSICAL); + __default_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) +static inline void +default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector) { - unsigned long flags; - unsigned int query_cpu; unsigned int this_cpu = smp_processor_id(); + unsigned int query_cpu; + unsigned long flags; /* 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); + for_each_cpu(query_cpu, mask) { + if (query_cpu == this_cpu) + continue; + __default_send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, + query_cpu), vector, APIC_DEST_PHYSICAL); + } local_irq_restore(flags); } |