On 2018-11-01, Masami Hiramatsu <mhira...@kernel.org> wrote: > > > > Anyway, until that merge happens, this patch looks good to avoid > > > > this issue for generic solution (e.g. for the arch which doesn't > > > > supports retstack). > > > > > > I think its time to come up with an algorithm that makes function graph > > > work with multiple users, and have kretprobes be able to hook into it > > > just like kprobes hooks into function tracer. > > > > > > I have some ideas on how to get this done, and will try to have an RFC > > > patch set ready by plumbers. > > > > Should I continue working on this patchset? > > Yes, until we finally introduce Steven's algorithm on all arch (yeah, we still > have some archs which don't support graph-tracer but supports kprobes), > I think your patch is the best fix for this issue.
Thanks, I just sent a v3. Though, even with Steven's hooking of kprobes I think you'd still need to stash away the stack trace somewhere (or am I misunderstanding the proposal?). -- Aleksa Sarai Senior Software Engineer (Containers) SUSE Linux GmbH <https://www.cyphar.com/>
signature.asc
Description: PGP signature
