[KVM PATCH v3 0/3] irqfd/eventfd fixes

[Gregory Haskins]

(Applies to kvm.git/master:4631e094)

The following is the latest attempt to fix the remaining races in
irqfd/eventfd.  For more details, please read the patch headers.

This series has been tested against the kvm-eventfd unit test, and
appears to be functioning properly.  You can download this test here:

ftp://ftp.novell.com/dev/ghaskins/kvm-eventfd.tar.bz2

(Note: I believe either the eventfd solution in 2/3, or the patch that
Davide has proposed should work equally well.  Its purely a question of
which direction we want to go in w.r.t. the wakeup registration).

---

Gregory Haskins (3):
      KVM: Fix races in irqfd using new eventfd_kref_get interface
      eventfd: add internal reference counting to fix notifier race conditions
      kvm: prepare irqfd for having interrupts disabled during eventfd->release


 fs/eventfd.c            |   43 ++++++++++--
 include/linux/eventfd.h |    7 ++
 virt/kvm/eventfd.c      |  173 +++++++++++++++++++++++++++++------------------
 3 files changed, 150 insertions(+), 73 deletions(-)

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