diff options
Diffstat (limited to 'arch/powerpc/mm/tlb-radix.c')
| -rw-r--r-- | arch/powerpc/mm/tlb-radix.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index 3493cf4e0452..61b79119065f 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -428,3 +428,21 @@ void radix__flush_tlb_all(void) : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(0) : "memory"); asm volatile("eieio; tlbsync; ptesync": : :"memory"); } + +void radix__flush_tlb_pte_p9_dd1(unsigned long old_pte, struct mm_struct *mm, + unsigned long address) +{ + /* + * We track page size in pte only for DD1, So we can + * call this only on DD1. + */ + if (!cpu_has_feature(CPU_FTR_POWER9_DD1)) { + VM_WARN_ON(1); + return; + } + + if (old_pte & _PAGE_LARGE) + radix__flush_tlb_page_psize(mm, address, MMU_PAGE_2M); + else + radix__flush_tlb_page_psize(mm, address, mmu_virtual_psize); +} |