diff options
Diffstat (limited to 'include/asm-ia64/tlbflush.h')
-rw-r--r-- | include/asm-ia64/tlbflush.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/include/asm-ia64/tlbflush.h b/include/asm-ia64/tlbflush.h deleted file mode 100644 index 3be25df..0000000 --- a/include/asm-ia64/tlbflush.h +++ /dev/null @@ -1,102 +0,0 @@ -#ifndef _ASM_IA64_TLBFLUSH_H -#define _ASM_IA64_TLBFLUSH_H - -/* - * Copyright (C) 2002 Hewlett-Packard Co - * David Mosberger-Tang <davidm@hpl.hp.com> - */ - - -#include <linux/mm.h> - -#include <asm/intrinsics.h> -#include <asm/mmu_context.h> -#include <asm/page.h> - -/* - * Now for some TLB flushing routines. This is the kind of stuff that - * can be very expensive, so try to avoid them whenever possible. - */ -extern void setup_ptcg_sem(int max_purges, int from_palo); - -/* - * Flush everything (kernel mapping may also have changed due to - * vmalloc/vfree). - */ -extern void local_flush_tlb_all (void); - -#ifdef CONFIG_SMP - extern void smp_flush_tlb_all (void); - extern void smp_flush_tlb_mm (struct mm_struct *mm); - extern void smp_flush_tlb_cpumask (cpumask_t xcpumask); -# define flush_tlb_all() smp_flush_tlb_all() -#else -# define flush_tlb_all() local_flush_tlb_all() -# define smp_flush_tlb_cpumask(m) local_flush_tlb_all() -#endif - -static inline void -local_finish_flush_tlb_mm (struct mm_struct *mm) -{ - if (mm == current->active_mm) - activate_context(mm); -} - -/* - * Flush a specified user mapping. This is called, e.g., as a result of fork() and - * exit(). fork() ends up here because the copy-on-write mechanism needs to write-protect - * the PTEs of the parent task. - */ -static inline void -flush_tlb_mm (struct mm_struct *mm) -{ - if (!mm) - return; - - set_bit(mm->context, ia64_ctx.flushmap); - mm->context = 0; - - if (atomic_read(&mm->mm_users) == 0) - return; /* happens as a result of exit_mmap() */ - -#ifdef CONFIG_SMP - smp_flush_tlb_mm(mm); -#else - local_finish_flush_tlb_mm(mm); -#endif -} - -extern void flush_tlb_range (struct vm_area_struct *vma, unsigned long start, unsigned long end); - -/* - * Page-granular tlb flush. - */ -static inline void -flush_tlb_page (struct vm_area_struct *vma, unsigned long addr) -{ -#ifdef CONFIG_SMP - flush_tlb_range(vma, (addr & PAGE_MASK), (addr & PAGE_MASK) + PAGE_SIZE); -#else - if (vma->vm_mm == current->active_mm) - ia64_ptcl(addr, (PAGE_SHIFT << 2)); - else - vma->vm_mm->context = 0; -#endif -} - -/* - * Flush the local TLB. Invoked from another cpu using an IPI. - */ -#ifdef CONFIG_SMP -void smp_local_flush_tlb(void); -#else -#define smp_local_flush_tlb() -#endif - -static inline void flush_tlb_kernel_range(unsigned long start, - unsigned long end) -{ - flush_tlb_all(); /* XXX fix me */ -} - -#endif /* _ASM_IA64_TLBFLUSH_H */ |