cpumask: arch_send_call_function_ipi_mask: alpha

We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask().

We also take the chance to wean the send_ipi_message off the
obsolescent for_each_cpu_mask(): making it take a pointer seemed the
most natural way to do this.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

2 files changed, 9 insertions, 8 deletions

diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
index 547e90951cec..8818a1bcdc8b 100644
--- a/arch/alpha/include/asm/smp.h
+++ b/arch/alpha/include/asm/smp.h
@@ -47,7 +47,8 @@ extern struct cpuinfo_alpha cpu_data[NR_CPUS];
 extern int smp_num_cpus;
 
 extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
 
 #else /* CONFIG_SMP */
 
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index b1fe5674c3a1..42aa078a5e4d 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -548,16 +548,16 @@ setup_profiling_timer(unsigned int multiplier)
 
 
 static void
-send_ipi_message(cpumask_t to_whom, enum ipi_message_type operation)
+send_ipi_message(const struct cpumask *to_whom, enum ipi_message_type operation)
 {
         int i;
 
         mb();
-        for_each_cpu_mask(i, to_whom)
+        for_each_cpu(i, to_whom)
                 set_bit(operation, &ipi_data[i].bits);
 
         mb();
-        for_each_cpu_mask(i, to_whom)
+        for_each_cpu(i, to_whom)
                 wripir(i);
 }
 
@@ -624,7 +624,7 @@ smp_send_reschedule(int cpu)
                 printk(KERN_WARNING
                        "smp_send_reschedule: Sending IPI to self.\n");
 #endif
-        send_ipi_message(cpumask_of_cpu(cpu), IPI_RESCHEDULE);
+        send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE);
 }
 
 void
@@ -636,17 +636,17 @@ smp_send_stop(void)
         if (hard_smp_processor_id() != boot_cpu_id)
                 printk(KERN_WARNING "smp_send_stop: Not on boot cpu.\n");
 #endif
-        send_ipi_message(to_whom, IPI_CPU_STOP);
+        send_ipi_message(&to_whom, IPI_CPU_STOP);
 }
 
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
 {
         send_ipi_message(mask, IPI_CALL_FUNC);
 }
 
 void arch_send_call_function_single_ipi(int cpu)
 {
-        send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE);
+        send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
 }
 
 static void