1 files changed, 0 insertions, 140 deletions
diff --git a/include/asm-s390/tlbflush.h b/include/asm-s390/tlbflush.h
deleted file mode 100644
index d60394b9745..00000000000
--- a/include/asm-s390/tlbflush.h
+++ /dev/null
@@ -1,140 +0,0 @@
-#ifndef _S390_TLBFLUSH_H
-#define _S390_TLBFLUSH_H
-
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <asm/processor.h>
-#include <asm/pgalloc.h>
-
-/*
- * Flush all tlb entries on the local cpu.
- */
-static inline void __tlb_flush_local(void)
-{
-	asm volatile("ptlb" : : : "memory");
-}
-
-#ifdef CONFIG_SMP
-/*
- * Flush all tlb entries on all cpus.
- */
-void smp_ptlb_all(void);
-
-static inline void __tlb_flush_global(void)
-{
-	register unsigned long reg2 asm("2");
-	register unsigned long reg3 asm("3");
-	register unsigned long reg4 asm("4");
-	long dummy;
-
-#ifndef __s390x__
-	if (!MACHINE_HAS_CSP) {
-		smp_ptlb_all();
-		return;
-	}
-#endif /* __s390x__ */
-
-	dummy = 0;
-	reg2 = reg3 = 0;
-	reg4 = ((unsigned long) &dummy) + 1;
-	asm volatile(
-		"	csp	%0,%2"
-		: : "d" (reg2), "d" (reg3), "d" (reg4), "m" (dummy) : "cc" );
-}
-
-static inline void __tlb_flush_full(struct mm_struct *mm)
-{
-	cpumask_t local_cpumask;
-
-	preempt_disable();
-	/*
-	 * If the process only ran on the local cpu, do a local flush.
-	 */
-	local_cpumask = cpumask_of_cpu(smp_processor_id());
-	if (cpus_equal(mm->cpu_vm_mask, local_cpumask))
-		__tlb_flush_local();
-	else
-		__tlb_flush_global();
-	preempt_enable();
-}
-#else
-#define __tlb_flush_full(mm)	__tlb_flush_local()
-#endif
-
-/*
- * Flush all tlb entries of a page table on all cpus.
- */
-static inline void __tlb_flush_idte(unsigned long asce)
-{
-	asm volatile(
-		"	.insn	rrf,0xb98e0000,0,%0,%1,0"
-		: : "a" (2048), "a" (asce) : "cc" );
-}
-
-static inline void __tlb_flush_mm(struct mm_struct * mm)
-{
-	if (unlikely(cpus_empty(mm->cpu_vm_mask)))
-		return;
-	/*
-	 * If the machine has IDTE we prefer to do a per mm flush
-	 * on all cpus instead of doing a local flush if the mm
-	 * only ran on the local cpu.
-	 */
-	if (MACHINE_HAS_IDTE) {
-		if (mm->context.noexec)
-			__tlb_flush_idte((unsigned long)
-					 get_shadow_table(mm->pgd) |
-					 mm->context.asce_bits);
-		__tlb_flush_idte((unsigned long) mm->pgd |
-				 mm->context.asce_bits);
-		return;
-	}
-	__tlb_flush_full(mm);
-}
-
-static inline void __tlb_flush_mm_cond(struct mm_struct * mm)
-{
-	if (atomic_read(&mm->mm_users) <= 1 && mm == current->active_mm)
-		__tlb_flush_mm(mm);
-}
-
-/*
- * TLB flushing:
- *  flush_tlb() - flushes the current mm struct TLBs
- *  flush_tlb_all() - flushes all processes TLBs
- *  flush_tlb_mm(mm) - flushes the specified mm context TLB's
- *  flush_tlb_page(vma, vmaddr) - flushes one page
- *  flush_tlb_range(vma, start, end) - flushes a range of pages
- *  flush_tlb_kernel_range(start, end) - flushes a range of kernel pages
- */
-
-/*
- * flush_tlb_mm goes together with ptep_set_wrprotect for the
- * copy_page_range operation and flush_tlb_range is related to
- * ptep_get_and_clear for change_protection. ptep_set_wrprotect and
- * ptep_get_and_clear do not flush the TLBs directly if the mm has
- * only one user. At the end of the update the flush_tlb_mm and
- * flush_tlb_range functions need to do the flush.
- */
-#define flush_tlb()				do { } while (0)
-#define flush_tlb_all()				do { } while (0)
-#define flush_tlb_page(vma, addr)		do { } while (0)
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
-{
-	__tlb_flush_mm_cond(mm);
-}
-
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-				   unsigned long start, unsigned long end)
-{
-	__tlb_flush_mm_cond(vma->vm_mm);
-}
-
-static inline void flush_tlb_kernel_range(unsigned long start,
-					  unsigned long end)
-{
-	__tlb_flush_mm(&init_mm);
-}
-
-#endif /* _S390_TLBFLUSH_H */