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    sched_clock: prevent scd->clock from moving backwards, take #2 · 1c5745aa
    Thomas Gleixner 提交于
    Redo:
    
      5b7dba4f: sched_clock: prevent scd->clock from moving backwards
    
    which had to be reverted due to s2ram hangs:
    
      ca7e716c: Revert "sched_clock: prevent scd->clock from moving backwards"
    
    ... this time with resume restoring GTOD later in the sequence
    taken into account as well.
    
    The "timekeeping_suspended" flag is not very nice but we cannot call into
    GTOD before it has been properly resumed and the scheduler will run very
    early in the resume sequence.
    
    Cc: <stable@kernel.org>
    Signed-off-by: NIngo Molnar <mingo@elte.hu>
    1c5745aa
sched_clock.c 5.7 KB