MFC 299927,300101,300102,300105,300107

299927
    hyperv/vmbus: Use atomic_testandclear

    Prepare to use unsigned long for event channel bit array.

    Sponsored by:       Microsoft OSTC
    Differential Revision:      https://reviews.freebsd.org/D6382

300101
    hyperv/vmbus: Use unsigned long for event bits.

    And move base channel id calculation out of inner loop.  This prepares
    for more event processing optimization.

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC
    Differential Revision:      https://reviews.freebsd.org/D6384

300102
    hyperv/vmbus: Reduce the # of event loops by recording event flag count

    Use vmbus softc to save vmbus per-cpu data.  More stuffs will be moved
    into vmbus softc.

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC
    Differential Revision:      https://reviews.freebsd.org/D6403

300105
    hyperv/vmbus: Use atomic swap and flsl to process event flags

    Greatly reduce the locked instructions and reduce number of inner loops.

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC
    Differential Revision:      https://reviews.freebsd.org/D6404

300107
    hyperv/vmbus: Avoid two unnecessary protocol checks on isr handling path

    MFC after:  1 week
    Sponsored by:       Microsoft OSTC
    Differential Revision:      https://reviews.freebsd.org/D6405

0 files changed, 0 insertions, 0 deletions