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sh: Local TLB flushing variants for SMP prep.

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Rename the existing flush routines to local_ variants for use by
the IPI-backed global flush routines on SMP.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2006-12-25 19:28:54 +09:00
parent 11c1965687
commit ea9af69481
8 changed files with 52 additions and 36 deletions
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38
include/asm-sh/tlbflush.h
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@@ -4,7 +4,6 @@
/*
* 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
@@ -12,20 +11,45 @@
* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
* - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
*/
extern void local_flush_tlb_all(void);
extern void local_flush_tlb_mm(struct mm_struct *mm);
extern void local_flush_tlb_range(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
extern void local_flush_tlb_page(struct vm_area_struct *vma,
unsigned long page);
extern void local_flush_tlb_kernel_range(unsigned long start,
unsigned long end);
extern void local_flush_tlb_one(unsigned long asid, unsigned long page);
#ifdef CONFIG_SMP
extern void flush_tlb(void);
extern void flush_tlb_all(void);
extern void flush_tlb_mm(struct mm_struct *mm);
extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end);
extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
extern void __flush_tlb_page(unsigned long asid, unsigned long page);
extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
extern void flush_tlb_one(unsigned long asid, unsigned long page);
#else
#define flush_tlb_all() local_flush_tlb_all()
#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page)
#define flush_tlb_one(asid, page) local_flush_tlb_one(asid, page)
#define flush_tlb_range(vma, start, end) \
local_flush_tlb_range(vma, start, end)
#define flush_tlb_kernel_range(start, end) \
local_flush_tlb_kernel_range(start, end)
#endif /* CONFIG_SMP */
static inline void flush_tlb_pgtables(struct mm_struct *mm,
unsigned long start, unsigned long end)
{ /* Nothing to do */
{
/* Nothing to do */
}
extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
#endif /* __ASM_SH_TLBFLUSH_H */