Public bug reported: On P9 (Nimbus) DD2 and later, in radix mode, the move to the PID register will implicitly invalidate the user space ERAT entries and leave the kernel ones alone. Thus the only thing needed is an isync() to synchronize this with subsequent uaccess's
Upstream submission: http://patchwork.ozlabs.org/patch/780515/ ** Affects: ubuntu Importance: Undecided Status: New ** Tags: architecture-ppc64le bugnameltc-156047 severity-critical targetmilestone-inin16043 ** Tags added: architecture-ppc64le bugnameltc-156047 severity-critical targetmilestone-inin16043 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1700819 Title: ERAT invalidate on context switch removal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1700819/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
