63 lines
		
	
	
	
		
			2.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			63 lines
		
	
	
	
		
			2.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #ifndef _SPARC_TLBFLUSH_H
 | ||
|  | #define _SPARC_TLBFLUSH_H
 | ||
|  | 
 | ||
|  | #include <linux/mm.h>
 | ||
|  | // #include <asm/processor.h>
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|  | 
 | ||
|  | /*
 | ||
|  |  * TLB flushing: | ||
|  |  * | ||
|  |  *  - flush_tlb() flushes the current mm struct TLBs	XXX Exists? | ||
|  |  *  - 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_pgtables(mm, start, end) flushes a range of page tables | ||
|  |  */ | ||
|  | 
 | ||
|  | #ifdef CONFIG_SMP
 | ||
|  | 
 | ||
|  | BTFIXUPDEF_CALL(void, local_flush_tlb_all, void) | ||
|  | BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *) | ||
|  | BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
|  | BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long) | ||
|  | 
 | ||
|  | #define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)()
 | ||
|  | #define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm)
 | ||
|  | #define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end)
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|  | #define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr)
 | ||
|  | 
 | ||
|  | extern void smp_flush_tlb_all(void); | ||
|  | extern void smp_flush_tlb_mm(struct mm_struct *mm); | ||
|  | extern void smp_flush_tlb_range(struct vm_area_struct *vma, | ||
|  | 				  unsigned long start, | ||
|  | 				  unsigned long end); | ||
|  | extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page); | ||
|  | 
 | ||
|  | #endif /* CONFIG_SMP */
 | ||
|  | 
 | ||
|  | BTFIXUPDEF_CALL(void, flush_tlb_all, void) | ||
|  | BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) | ||
|  | BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
|  | BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) | ||
|  | 
 | ||
|  | // Thanks to Anton Blanchard, our pagetables became uncached in 2.4. Wee!
 | ||
|  | // extern void flush_tlb_pgtables(struct mm_struct *mm,
 | ||
|  | //     unsigned long start, unsigned long end);
 | ||
|  | #define flush_tlb_pgtables(mm, start, end)	do{ }while(0)
 | ||
|  | 
 | ||
|  | #define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)()
 | ||
|  | #define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm)
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|  | #define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end)
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|  | #define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr)
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|  | 
 | ||
|  | // #define flush_tlb() flush_tlb_mm(current->active_mm)	/* XXX Sure? */
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|  | 
 | ||
|  | /*
 | ||
|  |  * This is a kludge, until I know better. --zaitcev XXX | ||
|  |  */ | ||
|  | #define flush_tlb_kernel_range(start, end) flush_tlb_all()
 | ||
|  | 
 | ||
|  | #endif /* _SPARC_TLBFLUSH_H */
 |