Commit ee3b93eb authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Michael Ellerman

powerpc/mm: Move hash64 tlbflush code into a new header

No code changes.
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 f64e8084
#ifndef _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H
#define _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H
#define MMU_NO_CONTEXT 0
/*
* TLB flushing for 64-bit hash-MMU CPUs
*/
#include <linux/percpu.h>
#include <asm/page.h>
#define PPC64_TLB_BATCH_NR 192
struct ppc64_tlb_batch {
int active;
unsigned long index;
struct mm_struct *mm;
real_pte_t pte[PPC64_TLB_BATCH_NR];
unsigned long vpn[PPC64_TLB_BATCH_NR];
unsigned int psize;
int ssize;
};
DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
static inline void arch_enter_lazy_mmu_mode(void)
{
struct ppc64_tlb_batch *batch = this_cpu_ptr(&ppc64_tlb_batch);
batch->active = 1;
}
static inline void arch_leave_lazy_mmu_mode(void)
{
struct ppc64_tlb_batch *batch = this_cpu_ptr(&ppc64_tlb_batch);
if (batch->index)
__flush_tlb_pending(batch);
batch->active = 0;
}
#define arch_flush_lazy_mmu_mode() do {} while (0)
extern void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize,
int ssize, unsigned long flags);
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 flush_tlb_mm(struct mm_struct *mm)
{
}
static inline void local_flush_tlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
static inline void flush_tlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
static inline void flush_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
}
static inline void flush_tlb_kernel_range(unsigned long start,
unsigned long end)
{
}
/* 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);
extern void flush_tlb_pmd_range(struct mm_struct *mm, pmd_t *pmd,
unsigned long addr);
#endif /* _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H */
...@@ -78,97 +78,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm) ...@@ -78,97 +78,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
} }
#elif defined(CONFIG_PPC_STD_MMU_64) #elif defined(CONFIG_PPC_STD_MMU_64)
#include <asm/book3s/64/tlbflush-hash.h>
#define MMU_NO_CONTEXT 0
/*
* TLB flushing for 64-bit hash-MMU CPUs
*/
#include <linux/percpu.h>
#include <asm/page.h>
#define PPC64_TLB_BATCH_NR 192
struct ppc64_tlb_batch {
int active;
unsigned long index;
struct mm_struct *mm;
real_pte_t pte[PPC64_TLB_BATCH_NR];
unsigned long vpn[PPC64_TLB_BATCH_NR];
unsigned int psize;
int ssize;
};
DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
static inline void arch_enter_lazy_mmu_mode(void)
{
struct ppc64_tlb_batch *batch = this_cpu_ptr(&ppc64_tlb_batch);
batch->active = 1;
}
static inline void arch_leave_lazy_mmu_mode(void)
{
struct ppc64_tlb_batch *batch = this_cpu_ptr(&ppc64_tlb_batch);
if (batch->index)
__flush_tlb_pending(batch);
batch->active = 0;
}
#define arch_flush_lazy_mmu_mode() do {} while (0)
extern void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize,
int ssize, unsigned long flags);
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 flush_tlb_mm(struct mm_struct *mm)
{
}
static inline void local_flush_tlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
static inline void flush_tlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
static inline void flush_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
}
static inline void flush_tlb_kernel_range(unsigned long start,
unsigned long end)
{
}
/* 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);
extern void flush_tlb_pmd_range(struct mm_struct *mm, pmd_t *pmd,
unsigned long addr);
#else #else
#error Unsupported MMU type #error Unsupported MMU type
#endif #endif
......
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