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| author | Paul Mundt <lethal@linux-sh.org> | 2006-12-25 19:28:54 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-02-13 10:54:45 +0900 |
| commit | ea9af69481730e3d712104dfd549ba6c8ddd29f1 (patch) | |
| tree | b6b0369a186f3df1b8061791c1cbc2e7fd161104 /include/asm-sh | |
| parent | 11c1965687b0a472add948d4240dfe65a2fcb298 (diff) | |
| download | op-kernel-dev-ea9af69481730e3d712104dfd549ba6c8ddd29f1.zip op-kernel-dev-ea9af69481730e3d712104dfd549ba6c8ddd29f1.tar.gz | |
sh: Local TLB flushing variants for SMP prep.
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>
Diffstat (limited to 'include/asm-sh')
| -rw-r--r-- | include/asm-sh/tlbflush.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/include/asm-sh/tlbflush.h b/include/asm-sh/tlbflush.h index 28c073b..455fb8d 100644 --- a/include/asm-sh/tlbflush.h +++ b/include/asm-sh/tlbflush.h @@ -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 */ |
