On Tue, 29 May 2018 19:58:41 +0530 "Aneesh Kumar K.V" <aneesh.ku...@linux.ibm.com> wrote:
> When relaxing access (read -> read_write update), pte needs to be marked > invalid > to handle a nest MMU bug. We also need to do a tlb flush after the pte is > marked invalid before updating the pte with new access bits. > > We also move tlb flush to platform specific __ptep_set_access_flags. This will > help us to gerid of unnecessary tlb flush on BOOK3S 64 later. We don't do that > in this patch. This also helps in avoiding multiple tlbies with coprocessor > attached. I thought you should move this part of the change back into patch 3 as well. Thanks, Nick
