Commit 16da2f93 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

x86: smp_64.c: remove unused exports and cleanup while at it 



The exports are nowhere used. There is even no reason why they were
ever introduced.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 081e10b9

arch/x86/kernel/smp_64.c

+35 −39
Original line number Diff line number Diff line
@@ -176,9 +176,11 @@ static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, 
	sender = smp_processor_id() % NUM_INVALIDATE_TLB_VECTORS;

	f = &per_cpu(flush_state, sender);



	/* Could avoid this lock when

	   num_online_cpus() <= NUM_INVALIDATE_TLB_VECTORS, but it is

	   probably not worth checking this for a cache-hot lock. */

	/*

	 * Could avoid this lock when

	 * num_online_cpus() <= NUM_INVALIDATE_TLB_VECTORS, but it is

	 * probably not worth checking this for a cache-hot lock.

	 */

	spin_lock(&f->tlbstate_lock);



	f->flush_mm = mm;
@@ -202,12 +204,12 @@ static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, 
int __cpuinit init_smp_flush(void)

{

	int i;



	for_each_cpu_mask(i, cpu_possible_map) {

		spin_lock_init(&per_cpu(flush_state, i).tlbstate_lock);

	}

	return 0;

}



core_initcall(init_smp_flush);



void flush_tlb_current_task(void)
@@ -224,7 +226,6 @@ void flush_tlb_current_task(void) 
		flush_tlb_others(cpu_mask, mm, FLUSH_ALL);

	preempt_enable();

}

EXPORT_SYMBOL(flush_tlb_current_task);



void flush_tlb_mm (struct mm_struct * mm)

{
@@ -245,7 +246,6 @@ void flush_tlb_mm (struct mm_struct * mm) 


	preempt_enable();

}

EXPORT_SYMBOL(flush_tlb_mm);



void flush_tlb_page(struct vm_area_struct * vma, unsigned long va)

{
@@ -268,7 +268,6 @@ void flush_tlb_page(struct vm_area_struct * vma, unsigned long va) 


	preempt_enable();

}

EXPORT_SYMBOL(flush_tlb_page);



static void do_flush_tlb_all(void* info)

{
@@ -325,9 +324,7 @@ void unlock_ipi_call_lock(void) 
 * this function sends a 'generic call function' IPI to all other CPU

 * of the system defined in the mask.

 */



static int

__smp_call_function_mask(cpumask_t mask,

static int __smp_call_function_mask(cpumask_t mask,

				    void (*func)(void *), void *info,

				    int wait)

{
@@ -420,8 +417,7 @@ int smp_call_function_single (int cpu, void (*func) (void *info), void *info, 
			      int nonatomic, int wait)

{

	/* prevent preemption and reschedule on another processor */

	int ret;

	int me = get_cpu();

	int ret, me = get_cpu();



	/* Can deadlock when called with interrupts disabled */

	WARN_ON(irqs_disabled());