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tsu

HN member
Joined
Mon, May 05, 2014, 12:56 AM UTC
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2
Public activity
5 items

About tsu

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Recent public activity

  1. comment
    Comment #17924737

    Having same issue. Seems to be a bug.

  2. story
  3. comment
    Comment #10786578

    it seems to me spinlocks are fundamentally dangerous in user space because you cannot disable preemption in user space as you can in kernel space.

  4. comment
    Comment #8836651

    how slow was that then?

  5. comment
    Comment #7696529

    compare-and-swap instruction itself may not be privileged operation but user space spin-lock seldom work in user-space (it's dangerous at least), because a user thread could be pre…