diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-11-07 03:35:34 +0100 |
|---|---|---|
| committer | Ley Foon Tan <ley.foon.tan@intel.com> | 2019-03-06 22:29:35 +0100 |
| commit | 3ac23944de570df7a6309425aeef063be38f37c4 (patch) | |
| tree | 7c5a3a2fd805045dfbd4eaa507d25dbc89d9cd1c /arch/nios2/include | |
| parent | nios2: User address TLB flush break after finding the matching entry (diff) | |
| download | linux-3ac23944de570df7a6309425aeef063be38f37c4.tar.xz linux-3ac23944de570df7a6309425aeef063be38f37c4.zip | |
nios2: update_mmu_cache preload the TLB with the new PTE
Rather than flush the TLB entry when installing a new PTE to allow
the fast TLB reload to re-fill the TLB, just refill the TLB entry
when removing the old one.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Diffstat (limited to 'arch/nios2/include')
| -rw-r--r-- | arch/nios2/include/asm/tlbflush.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/tlbflush.h b/arch/nios2/include/asm/tlbflush.h index 982a7ecf221f..b4bf487b9832 100644 --- a/arch/nios2/include/asm/tlbflush.h +++ b/arch/nios2/include/asm/tlbflush.h @@ -30,6 +30,9 @@ struct mm_struct; * - flush_tlb_page(vma, address) flushes a page * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages * - flush_tlb_kernel_page(address) flushes a kernel page + * + * - reload_tlb_page(vma, address, pte) flushes the TLB for address like + * flush_tlb_page, then replaces it with a TLB for pte. */ extern void flush_tlb_all(void); extern void flush_tlb_mm(struct mm_struct *mm); @@ -48,4 +51,7 @@ static inline void flush_tlb_kernel_page(unsigned long address) flush_tlb_kernel_range(address, address + PAGE_SIZE); } +extern void reload_tlb_page(struct vm_area_struct *vma, unsigned long addr, + pte_t pte); + #endif /* _ASM_NIOS2_TLBFLUSH_H */ |