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    Subject[PATCH 0/3] do_sigtimedwait() needs retarget_shared_pending()
    On 04/18, Linus Torvalds wrote:
    > In that case, this series looks fairly ok to me. I'm still unsure
    > whether it's _required_,

    Indeed! It is a bit annoying, I am not sure too. This "problem" is
    very, very, old. And nobody complained so far. Except, this _might_
    explain the hang reported by Nikita.

    OTOH. Probably set_current_blocked() makes sense anyway, it would be
    nice to require that nobody can play with ->blocked directly. We can
    reconsider retarget_shared_pendind() or simply kill it if it adds the
    noticeable overhead in practice.

    So, I'll assume we need this changes. Correctness is always good. All
    further changes should be simple and straightforward, I am going to
    trim CC. Except sys_rt_sigtimedwait() is nasty, we need another helper
    for simplicity.

    If nobody objects, I'll send at lot of other "needs set_current_blocked"
    simple patches to Andrew.


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