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 d60394b9745e..000000000000
--- 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 */