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authorIngo Molnar <mingo@elte.hu>2008-10-24 12:48:46 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-24 12:48:46 +0200
commit8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch)
treed535f46a917e14e90deccb29ad00aac016ad18dd /include/asm-parisc/tlbflush.h
parent4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff)
parent57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff)
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'include/asm-parisc/tlbflush.h')
-rw-r--r--include/asm-parisc/tlbflush.h80
1 files changed, 0 insertions, 80 deletions
diff --git a/include/asm-parisc/tlbflush.h b/include/asm-parisc/tlbflush.h
deleted file mode 100644
index b72ec66db69..00000000000
--- a/include/asm-parisc/tlbflush.h
+++ /dev/null
@@ -1,80 +0,0 @@
-#ifndef _PARISC_TLBFLUSH_H
-#define _PARISC_TLBFLUSH_H
-
-/* TLB flushing routines.... */
-
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <asm/mmu_context.h>
-
-
-/* This is for the serialisation of PxTLB broadcasts. At least on the
- * N class systems, only one PxTLB inter processor broadcast can be
- * active at any one time on the Merced bus. This tlb purge
- * synchronisation is fairly lightweight and harmless so we activate
- * it on all SMP systems not just the N class. We also need to have
- * preemption disabled on uniprocessor machines, and spin_lock does that
- * nicely.
- */
-extern spinlock_t pa_tlb_lock;
-
-#define purge_tlb_start(x) spin_lock(&pa_tlb_lock)
-#define purge_tlb_end(x) spin_unlock(&pa_tlb_lock)
-
-extern void flush_tlb_all(void);
-extern void flush_tlb_all_local(void *);
-
-/*
- * flush_tlb_mm()
- *
- * XXX This code is NOT valid for HP-UX compatibility processes,
- * (although it will probably work 99% of the time). HP-UX
- * processes are free to play with the space id's and save them
- * over long periods of time, etc. so we have to preserve the
- * space and just flush the entire tlb. We need to check the
- * personality in order to do that, but the personality is not
- * currently being set correctly.
- *
- * Of course, Linux processes could do the same thing, but
- * we don't support that (and the compilers, dynamic linker,
- * etc. do not do that).
- */
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
-{
- BUG_ON(mm == &init_mm); /* Should never happen */
-
-#ifdef CONFIG_SMP
- flush_tlb_all();
-#else
- if (mm) {
- if (mm->context != 0)
- free_sid(mm->context);
- mm->context = alloc_sid();
- if (mm == current->active_mm)
- load_context(mm->context);
- }
-#endif
-}
-
-static inline void flush_tlb_page(struct vm_area_struct *vma,
- unsigned long addr)
-{
- /* For one page, it's not worth testing the split_tlb variable */
-
- mb();
- mtsp(vma->vm_mm->context,1);
- purge_tlb_start();
- pdtlb(addr);
- pitlb(addr);
- purge_tlb_end();
-}
-
-void __flush_tlb_range(unsigned long sid,
- unsigned long start, unsigned long end);
-
-#define flush_tlb_range(vma,start,end) __flush_tlb_range((vma)->vm_mm->context,start,end)
-
-#define flush_tlb_kernel_range(start, end) __flush_tlb_range(0,start,end)
-
-#endif