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    SubjectRe: [RFC PATCH v1.9 00/14] livepatch: hybrid consistency model
    On Tue, 5 Apr 2016, Josh Poimboeuf wrote:

    > On Tue, Apr 05, 2016 at 04:24:33PM +0200, Miroslav Benes wrote:
    > > On Mon, 4 Apr 2016, Josh Poimboeuf wrote:
    > >
    > > > > I'd add a fake signal facility for sleeping non-migrated tasks. This
    > > > > would accelerate a migration to a new universe. We have it in kgraft for
    > > > > quite some time and it worked out great. See
    > > > > lkml.kernel.org/r/1430739625-4658-9-git-send-email-jslaby@suse.cz which
    > > > > went with Jiri's kgraft-on-klp patch set. See also Oleg's reply as it is
    > > > > important (I changed kgraft implementation according to that).
    > > >
    > > > Ok, I'll look into sending a fake signal to remaining tasks.
    > >
    > > Oh, do not worry about this one. I can prepare a patch once we discuss and
    > > review the rest. I think you have a lot on your plate even now.
    > >
    > > There are several options how to do it. I think it would be nice not send
    > > a fake signal immediately. So we can...
    > >
    > > 1. do it after some time of waiting, or
    > >
    > > 2. we can have a knob in sysfs for an admin to send a fake signal if he
    > > does not want to wait anymore, or
    > >
    > > 3. (and this is crazy one) we can trace the progress of a migration and
    > > when there is none for several iterations we can send a signal
    >
    > Ok, thanks, I'll skip it for now. We do need to think about the options
    > and I do have a full plate already.
    >
    > I might also procrastinate with the patch module removal patch, since
    > that's another separate piece which might need more discussion.

    I'll do this one as well.

    Miroslav

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