On Wed, Apr 24, 2019 at 10:55:48AM +0200, Petr Mladek wrote: > The commit d0807da78e11d46f ("livepatch: Remove immediate feature") caused > that any livepatch was refused when reliable stacktraces were not supported > on the given architecture. > > The limitation is too strong. User space processes are safely migrated > even when entering or leaving the kernel. Kthreads transition would > need to get forced. But it is safe when: > > + The livepatch does not change the semantic of the code. > + Callbacks do not depend on a safely finished transition. > > Suggested-by: Josh Poimboeuf <jpoim...@redhat.com> > Signed-off-by: Petr Mladek <pmla...@suse.com>
Reviewed-by: Kamalesh Babulal <kamal...@linux.vnet.ibm.com> -- Kamalesh