1 files changed, 0 insertions, 153 deletions
diff --git a/include/asm-s390/tlbflush.h b/include/asm-s390/tlbflush.h
deleted file mode 100644
index 1bb73b0e61f..00000000000
--- a/include/asm-s390/tlbflush.h
+++ /dev/null
@@ -1,153 +0,0 @@
-#ifndef _S390_TLBFLUSH_H
-#define _S390_TLBFLUSH_H
-
-#include <linux/config.h>
-#include <linux/mm.h>
-#include <asm/processor.h>
-
-/*
- * 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_pgtables(mm, start, end) flushes a range of page tables
- */
-
-/*
- * S/390 has three ways of flushing TLBs
- * 'ptlb' does a flush of the local processor
- * 'csp' flushes the TLBs on all PUs of a SMP
- * 'ipte' invalidates a pte in a page table and flushes that out of
- * the TLBs of all PUs of a SMP
- */
-
-#define local_flush_tlb() \
-do {  __asm__ __volatile__("ptlb": : :"memory"); } while (0)
-
-#ifndef CONFIG_SMP
-
-/*
- * We always need to flush, since s390 does not flush tlb
- * on each context switch
- */
-
-static inline void flush_tlb(void)
-{
-	local_flush_tlb();
-}
-static inline void flush_tlb_all(void)
-{
-	local_flush_tlb();
-}
-static inline void flush_tlb_mm(struct mm_struct *mm) 
-{
-	local_flush_tlb();
-}
-static inline void flush_tlb_page(struct vm_area_struct *vma,
-				  unsigned long addr)
-{
-	local_flush_tlb();
-}
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-				   unsigned long start, unsigned long end)
-{
-	local_flush_tlb();
-}
-
-#define flush_tlb_kernel_range(start, end) \
-	local_flush_tlb();
-
-#else
-
-#include <asm/smp.h>
-
-extern void smp_ptlb_all(void);
-
-static inline void global_flush_tlb(void)
-{
-#ifndef __s390x__
-	if (!MACHINE_HAS_CSP) {
-		smp_ptlb_all();
-		return;
-	}
-#endif /* __s390x__ */
-	{
-		register unsigned long addr asm("4");
-		long dummy;
-
-		dummy = 0;
-		addr = ((unsigned long) &dummy) + 1;
-		__asm__ __volatile__ (
-			"    slr  2,2\n"
-			"    slr  3,3\n"
-			"    csp  2,%0"
-			: : "a" (addr), "m" (dummy) : "cc", "2", "3" );
-	}
-}
-
-/*
- * We only have to do global flush of tlb if process run since last
- * flush on any other pu than current. 
- * If we have threads (mm->count > 1) we always do a global flush, 
- * since the process runs on more than one processor at the same time.
- */
-
-static inline void __flush_tlb_mm(struct mm_struct * mm)
-{
-	cpumask_t local_cpumask;
-
-	if (unlikely(cpus_empty(mm->cpu_vm_mask)))
-		return;
-	if (MACHINE_HAS_IDTE) {
-		asm volatile (".insn rrf,0xb98e0000,0,%0,%1,0"
-			      : : "a" (2048),
-			      "a" (__pa(mm->pgd)&PAGE_MASK) : "cc" );
-		return;
-	}
-	preempt_disable();
-	local_cpumask = cpumask_of_cpu(smp_processor_id());
-	if (cpus_equal(mm->cpu_vm_mask, local_cpumask))
-		local_flush_tlb();
-	else
-		global_flush_tlb();
-	preempt_enable();
-}
-
-static inline void flush_tlb(void)
-{
-	__flush_tlb_mm(current->mm);
-}
-static inline void flush_tlb_all(void)
-{
-	global_flush_tlb();
-}
-static inline void flush_tlb_mm(struct mm_struct *mm) 
-{
-	__flush_tlb_mm(mm); 
-}
-static inline void flush_tlb_page(struct vm_area_struct *vma,
-				  unsigned long addr)
-{
-	__flush_tlb_mm(vma->vm_mm);
-}
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-				   unsigned long start, unsigned long end)
-{
-	__flush_tlb_mm(vma->vm_mm); 
-}
-
-#define flush_tlb_kernel_range(start, end) global_flush_tlb()
-
-#endif
-
-static inline void flush_tlb_pgtables(struct mm_struct *mm,
-                                      unsigned long start, unsigned long end)
-{
-        /* S/390 does not keep any page table caches in TLB */
-}
-
-#endif /* _S390_TLBFLUSH_H */