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Commit 676012a6 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Michael Ellerman
Browse files

powerpc/mm: Hash abstraction for tlbflush routines 



Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent f5df4b4b

arch/powerpc/include/asm/book3s/64/tlbflush-hash.h

+15 −13
Original line number Diff line number Diff line
@@ -52,40 +52,42 @@ extern void flush_hash_range(unsigned long number, int local); 
extern void flush_hash_hugepage(unsigned long vsid, unsigned long addr,

				pmd_t *pmdp, unsigned int psize, int ssize,

				unsigned long flags);



static inline void local_flush_tlb_mm(struct mm_struct *mm)

static inline void hash__local_flush_tlb_mm(struct mm_struct *mm)

{

}



static inline void flush_tlb_mm(struct mm_struct *mm)

static inline void hash__flush_tlb_mm(struct mm_struct *mm)

{

}



static inline void local_flush_tlb_page(struct vm_area_struct *vma,

static inline void hash__local_flush_tlb_page(struct vm_area_struct *vma,

					  unsigned long vmaddr)

{

}



static inline void flush_tlb_page(struct vm_area_struct *vma,

static inline void hash__flush_tlb_page(struct vm_area_struct *vma,

				    unsigned long vmaddr)

{

}



static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,

static inline void hash__flush_tlb_page_nohash(struct vm_area_struct *vma,

					   unsigned long vmaddr)

{

}



static inline void flush_tlb_range(struct vm_area_struct *vma,

static inline void hash__flush_tlb_range(struct vm_area_struct *vma,

				     unsigned long start, unsigned long end)

{

}



static inline void flush_tlb_kernel_range(unsigned long start,

static inline void hash__flush_tlb_kernel_range(unsigned long start,

					    unsigned long end)

{

}





struct mmu_gather;

extern void hash__tlb_flush(struct mmu_gather *tlb);

/* Private function for use by PCI IO mapping code */

extern void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,

				     unsigned long end);

arch/powerpc/include/asm/book3s/64/tlbflush.h

0 → 100644
+56 −0
Original line number Diff line number Diff line 
#ifndef _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H

#define _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H



#include <asm/book3s/64/tlbflush-hash.h>



static inline void flush_tlb_range(struct vm_area_struct *vma,

				   unsigned long start, unsigned long end)

{

	return hash__flush_tlb_range(vma, start, end);

}



static inline void flush_tlb_kernel_range(unsigned long start,

					  unsigned long end)

{

	return hash__flush_tlb_kernel_range(start, end);

}



static inline void local_flush_tlb_mm(struct mm_struct *mm)

{

	return hash__local_flush_tlb_mm(mm);

}



static inline void local_flush_tlb_page(struct vm_area_struct *vma,

					unsigned long vmaddr)

{

	return hash__local_flush_tlb_page(vma, vmaddr);

}



static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,

					 unsigned long vmaddr)

{

	return hash__flush_tlb_page_nohash(vma, vmaddr);

}



static inline void tlb_flush(struct mmu_gather *tlb)

{

	return hash__tlb_flush(tlb);

}



#ifdef CONFIG_SMP

static inline void flush_tlb_mm(struct mm_struct *mm)

{

	return hash__flush_tlb_mm(mm);

}



static inline void flush_tlb_page(struct vm_area_struct *vma,

				  unsigned long vmaddr)

{

	return hash__flush_tlb_page(vma, vmaddr);

}

#else

#define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)

#define flush_tlb_page(vma, addr)	local_flush_tlb_page(vma, addr)

#endif /* CONFIG_SMP */



#endif /*  _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H */

arch/powerpc/include/asm/tlbflush.h

+1 −1
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm) 
}



#elif defined(CONFIG_PPC_STD_MMU_64)

#include <asm/book3s/64/tlbflush-hash.h>

#include <asm/book3s/64/tlbflush.h>

#else

#error Unsupported MMU type

#endif

arch/powerpc/mm/tlb_hash64.c

+1 −1
Original line number Diff line number Diff line
@@ -155,7 +155,7 @@ void __flush_tlb_pending(struct ppc64_tlb_batch *batch) 
	batch->index = 0;

}



void tlb_flush(struct mmu_gather *tlb)

void hash__tlb_flush(struct mmu_gather *tlb)

{

	struct ppc64_tlb_batch *tlbbatch = &get_cpu_var(ppc64_tlb_batch);