x86: cleanup remaining cpumask_t ops in smpboot code

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / smp.c

diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 18f9b19f5f8f5d46582b64501d83d11cb4376eb6..182135ba1eaf7cf5f3f8fa3106e8d96146cbb75f 100644 (file)
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -118,39 +118,33 @@ static void native_smp_send_reschedule(int cpu)
                WARN_ON(1);
                return;
        }
-       send_IPI_mask(cpumask_of_cpu(cpu), RESCHEDULE_VECTOR);
+       send_IPI_mask(cpumask_of(cpu), RESCHEDULE_VECTOR);
 }
 
 void native_send_call_func_single_ipi(int cpu)
 {
-       send_IPI_mask(cpumask_of_cpu(cpu), CALL_FUNCTION_SINGLE_VECTOR);
+       send_IPI_mask(cpumask_of(cpu), CALL_FUNCTION_SINGLE_VECTOR);
 }
 
-void native_send_call_func_ipi(cpumask_t mask)
+void native_send_call_func_ipi(const struct cpumask *mask)
 {
-       cpumask_t allbutself;
+       cpumask_var_t allbutself;
 
-       allbutself = cpu_online_map;
-       cpu_clear(smp_processor_id(), allbutself);
+       if (!alloc_cpumask_var(&allbutself, GFP_ATOMIC)) {
+               send_IPI_mask(mask, CALL_FUNCTION_VECTOR);
+               return;
+       }
+
+       cpumask_copy(allbutself, cpu_online_mask);
+       cpumask_clear_cpu(smp_processor_id(), allbutself);
 
-       if (cpus_equal(mask, allbutself) &&
-           cpus_equal(cpu_online_map, cpu_callout_map))
+       if (cpumask_equal(mask, allbutself) &&
+           cpumask_equal(cpu_online_mask, cpu_callout_mask))
                send_IPI_allbutself(CALL_FUNCTION_VECTOR);
        else
                send_IPI_mask(mask, CALL_FUNCTION_VECTOR);
-}
 
-static void stop_this_cpu(void *dummy)
-{
-       local_irq_disable();
-       /*
-        * Remove this CPU:
-        */
-       cpu_clear(smp_processor_id(), cpu_online_map);
-       disable_local_APIC();
-       if (hlt_works(smp_processor_id()))
-               for (;;) halt();
-       for (;;);
+       free_cpumask_var(allbutself);
 }
 
 /*
@@ -178,11 +172,7 @@ static void native_smp_send_stop(void)
 void smp_reschedule_interrupt(struct pt_regs *regs)
 {
        ack_APIC_irq();
-#ifdef CONFIG_X86_32
-       __get_cpu_var(irq_stat).irq_resched_count++;
-#else
-       add_pda(irq_resched_count, 1);
-#endif
+       inc_irq_stat(irq_resched_count);
 }
 
 void smp_call_function_interrupt(struct pt_regs *regs)
@@ -190,11 +180,7 @@ void smp_call_function_interrupt(struct pt_regs *regs)
        ack_APIC_irq();
        irq_enter();
        generic_smp_call_function_interrupt();
-#ifdef CONFIG_X86_32
-       __get_cpu_var(irq_stat).irq_call_count++;
-#else
-       add_pda(irq_call_count, 1);
-#endif
+       inc_irq_stat(irq_call_count);
        irq_exit();
 }
 
@@ -203,11 +189,7 @@ void smp_call_function_single_interrupt(struct pt_regs *regs)
        ack_APIC_irq();
        irq_enter();
        generic_smp_call_function_single_interrupt();
-#ifdef CONFIG_X86_32
-       __get_cpu_var(irq_stat).irq_call_count++;
-#else
-       add_pda(irq_call_count, 1);
-#endif
+       inc_irq_stat(irq_call_count);
        irq_exit();
 }