diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-11-07 10:35:34 +0800 |
|---|---|---|
| committer | Ley Foon Tan <ley.foon.tan@intel.com> | 2019-03-07 05:29:35 +0800 |
| commit | 3ac23944de570df7a6309425aeef063be38f37c4 (patch) | |
| tree | 7c5a3a2fd805045dfbd4eaa507d25dbc89d9cd1c /arch/nios2/mm/cacheflush.c | |
| parent | b6a10463438d8775aa6aa09ece46e8af14345712 (diff) | |
| download | linux-3ac23944de570df7a6309425aeef063be38f37c4.tar.bz2 | |
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/mm/cacheflush.c')
| -rw-r--r-- | arch/nios2/mm/cacheflush.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/nios2/mm/cacheflush.c b/arch/nios2/mm/cacheflush.c index d58e7e80dc0d..65de1bd6a760 100644 --- a/arch/nios2/mm/cacheflush.c +++ b/arch/nios2/mm/cacheflush.c @@ -198,13 +198,14 @@ void flush_dcache_page(struct page *page) EXPORT_SYMBOL(flush_dcache_page); void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t *pte) + unsigned long address, pte_t *ptep) { - unsigned long pfn = pte_pfn(*pte); + pte_t pte = *ptep; + unsigned long pfn = pte_pfn(pte); struct page *page; struct address_space *mapping; - flush_tlb_page(vma, address); + reload_tlb_page(vma, address, pte); if (!pfn_valid(pfn)) return; |