Messages in this thread | | | Date | Thu, 7 Apr 2016 17:47:00 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [RFC PATCH v1.9 00/14] livepatch: hybrid consistency model |
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On Thu, 7 Apr 2016, Josh Poimboeuf wrote:
> > > - try ftrace handler switching idea from v1 cover letter [ ... ] > > We probably should not check the stack in atomic context > > Can you elaborate why not?
I admittedly forgot what the "ftrace handler switching idea" is, and am not sure where exactly to look for it (could you please point it to me so that I can refresh my memory), but generally we can't assume that a memory holding stack of a sleeping task hasn't been reclaimed and wouldn't need to have been paged in again.
-- Jiri Kosina SUSE Labs
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