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    SubjectRe: Attempted summary of suspend-blockers LKML thread
    On Wed, Aug 04, 2010 at 09:32:16AM -0700, Paul E. McKenney wrote:

    > If this doesn't work for the Android folks for whatever reason, another
    > approach would be to do the freeze in user code, which could track
    > whether any user-level resources (pthread mutexes, SysV semas, whatever)
    > where held, and do the freeze on a thread-by-thread basis within each
    > "victim" application as the threads reach safe points.

    The main problem I see with the cgroups solution is that it doesn't seem
    to do anything to handle avoiding loss of wakeup events.

    Matthew Garrett |

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