ARM: SMP: split out software TLB maintainence broadcasting

smp.c is becoming too large, so split out the TLB maintainence
broadcasting into a separate smp_tlb.c file.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 0 insertions, 126 deletions

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 4dc864ef9cdf..6d0c66bc434d 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -38,7 +38,6 @@
 #include <asm/tlbflush.h>
 #include <asm/ptrace.h>
 #include <asm/localtimer.h>
-#include <asm/smp_plat.h>
 
 /*
  * as from 2.5, kernels no longer have an init_tasks structure
@@ -655,128 +654,3 @@ int setup_profiling_timer(unsigned int multiplier)
 {
 	return -EINVAL;
 }
-
-static void
-on_each_cpu_mask(void (*func)(void *), void *info, int wait,
-		const struct cpumask *mask)
-{
-	preempt_disable();
-
-	smp_call_function_many(mask, func, info, wait);
-	if (cpumask_test_cpu(smp_processor_id(), mask))
-		func(info);
-
-	preempt_enable();
-}
-
-/**********************************************************************/
-
-/*
- * TLB operations
- */
-struct tlb_args {
-	struct vm_area_struct *ta_vma;
-	unsigned long ta_start;
-	unsigned long ta_end;
-};
-
-static inline void ipi_flush_tlb_all(void *ignored)
-{
-	local_flush_tlb_all();
-}
-
-static inline void ipi_flush_tlb_mm(void *arg)
-{
-	struct mm_struct *mm = (struct mm_struct *)arg;
-
-	local_flush_tlb_mm(mm);
-}
-
-static inline void ipi_flush_tlb_page(void *arg)
-{
-	struct tlb_args *ta = (struct tlb_args *)arg;
-
-	local_flush_tlb_page(ta->ta_vma, ta->ta_start);
-}
-
-static inline void ipi_flush_tlb_kernel_page(void *arg)
-{
-	struct tlb_args *ta = (struct tlb_args *)arg;
-
-	local_flush_tlb_kernel_page(ta->ta_start);
-}
-
-static inline void ipi_flush_tlb_range(void *arg)
-{
-	struct tlb_args *ta = (struct tlb_args *)arg;
-
-	local_flush_tlb_range(ta->ta_vma, ta->ta_start, ta->ta_end);
-}
-
-static inline void ipi_flush_tlb_kernel_range(void *arg)
-{
-	struct tlb_args *ta = (struct tlb_args *)arg;
-
-	local_flush_tlb_kernel_range(ta->ta_start, ta->ta_end);
-}
-
-void flush_tlb_all(void)
-{
-	if (tlb_ops_need_broadcast())
-		on_each_cpu(ipi_flush_tlb_all, NULL, 1);
-	else
-		local_flush_tlb_all();
-}
-
-void flush_tlb_mm(struct mm_struct *mm)
-{
-	if (tlb_ops_need_broadcast())
-		on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, mm_cpumask(mm));
-	else
-		local_flush_tlb_mm(mm);
-}
-
-void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
-{
-	if (tlb_ops_need_broadcast()) {
-		struct tlb_args ta;
-		ta.ta_vma = vma;
-		ta.ta_start = uaddr;
-		on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, mm_cpumask(vma->vm_mm));
-	} else
-		local_flush_tlb_page(vma, uaddr);
-}
-
-void flush_tlb_kernel_page(unsigned long kaddr)
-{
-	if (tlb_ops_need_broadcast()) {
-		struct tlb_args ta;
-		ta.ta_start = kaddr;
-		on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
-	} else
-		local_flush_tlb_kernel_page(kaddr);
-}
-
-void flush_tlb_range(struct vm_area_struct *vma,
-                     unsigned long start, unsigned long end)
-{
-	if (tlb_ops_need_broadcast()) {
-		struct tlb_args ta;
-		ta.ta_vma = vma;
-		ta.ta_start = start;
-		ta.ta_end = end;
-		on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, mm_cpumask(vma->vm_mm));
-	} else
-		local_flush_tlb_range(vma, start, end);
-}
-
-void flush_tlb_kernel_range(unsigned long start, unsigned long end)
-{
-	if (tlb_ops_need_broadcast()) {
-		struct tlb_args ta;
-		ta.ta_start = start;
-		ta.ta_end = end;
-		on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
-	} else
-		local_flush_tlb_kernel_range(start, end);
-}