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    Subject[KVM PATCH v3 0/3] irqfd enhancements, and irq_routing fixes
    Date
    (Applies to kvm.git/master:11b06403)

    The following patches are cleanups/enhancements for IRQFD now that
    we have lockless interrupt injection. For more details, please see
    the patch headers.

    These patches pass checkpatch, and are fully tested. Please consider
    for merging. Patch 1/3 is a fix for an issue that may exist upstream
    and should be considered for a more timely push upstream. Patches 2/3
    - 3/3 are an enhancement only, so there is no urgency to push to
    mainline until a suitable merge window presents itself.

    Kind Regards,
    -Greg

    [ Change log:

    v3:
    *) Added patch 1/3 as a fix for a race condition
    *) Minor cleanup to 2/3 to ensure that all shared vectors conform
    to a unified locking model.

    v2:
    *) dropped original cleanup which relied on the user registering
    MSI based GSIs or we may crash at runtime. Instead, we now
    check at registration whether the GSI supports lockless
    operation and dynamically adapt to either the original
    deferred path for lock-based injections, or direct for lockless.

    v1:
    *) original release
    ]

    ---

    Gregory Haskins (3):
    KVM: Directly inject interrupts if they support lockless operation
    KVM: export lockless GSI attribute
    KVM: fix race in irq_routing logic


    include/linux/kvm_host.h | 8 ++++
    virt/kvm/eventfd.c | 31 +++++++++++++++--
    virt/kvm/irq_comm.c | 85 ++++++++++++++++++++++++++++++++++------------
    virt/kvm/kvm_main.c | 1 +
    4 files changed, 98 insertions(+), 27 deletions(-)

    --
    Signature


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