On Thu, 1 Sep 2022 21:03:34 +1000, Nicholas Piggin wrote: > Allow PTE changes to avoid flushing the TLB when access permissions are > being relaxed, the dirty bit is being set, and the accessed bit is being > changed. > > Relaxing access permissions and setting dirty and accessed bits do not > require a flush because the MMU will re-load the PTE and notice the > updates (it may also cause a spurious fault). > > [...]
Applied to powerpc/next. [1/1] powerpc/64s: add pte_needs_flush and huge_pmd_needs_flush https://git.kernel.org/powerpc/c/b11931e9adc1a439eab75c97ca4b9f15754cdcb1 cheers