On Wed, Dec 13, 2017 at 01:45:02PM +0800, Greentime Hu wrote: > I think it should be fine if an interruption between mtsr_dsb and > tlbop_rwr because this is a optimization by sw.
Fine? When there is an unexpected vaddr in SR_TLB_VPN, tlbop_rwr(*pte) will break that vaddr's pfn in the CPU tlb-buffer entry. When linux access the vaddr, it will get wrong data unless the entry has been replaced out.
