You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.7 KiB
55 lines
1.7 KiB
#ifndef _PPC64_TLBFLUSH_H
|
|
#define _PPC64_TLBFLUSH_H
|
|
|
|
/*
|
|
* TLB flushing:
|
|
*
|
|
* - flush_tlb_mm(mm) flushes the specified mm context TLB's
|
|
* - flush_tlb_page(vma, vmaddr) flushes one page
|
|
* - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB
|
|
* - 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
|
|
*/
|
|
|
|
#include <linux/percpu.h>
|
|
#include <asm/page.h>
|
|
|
|
#define PPC64_TLB_BATCH_NR 192
|
|
|
|
struct mm_struct;
|
|
struct ppc64_tlb_batch {
|
|
unsigned long index;
|
|
unsigned long context;
|
|
struct mm_struct *mm;
|
|
pte_t pte[PPC64_TLB_BATCH_NR];
|
|
unsigned long addr[PPC64_TLB_BATCH_NR];
|
|
unsigned long vaddr[PPC64_TLB_BATCH_NR];
|
|
unsigned int large;
|
|
};
|
|
DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
|
|
|
|
extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
|
|
|
|
static inline void flush_tlb_pending(void)
|
|
{
|
|
struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch);
|
|
|
|
if (batch->index)
|
|
__flush_tlb_pending(batch);
|
|
put_cpu_var(ppc64_tlb_batch);
|
|
}
|
|
|
|
#define flush_tlb_mm(mm) flush_tlb_pending()
|
|
#define flush_tlb_page(vma, addr) flush_tlb_pending()
|
|
#define flush_tlb_page_nohash(vma, addr) do { } while (0)
|
|
#define flush_tlb_range(vma, start, end) \
|
|
do { (void)(start); flush_tlb_pending(); } while (0)
|
|
#define flush_tlb_kernel_range(start, end) flush_tlb_pending()
|
|
#define flush_tlb_pgtables(mm, start, end) do { } while (0)
|
|
|
|
extern void flush_hash_page(unsigned long context, unsigned long ea, pte_t pte,
|
|
int local);
|
|
void flush_hash_range(unsigned long context, unsigned long number, int local);
|
|
|
|
#endif /* _PPC64_TLBFLUSH_H */
|
|
|