linux-kernel - [KVM PATCH 0/3] irqfd

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Date:	Thu, 23 Apr 2009 11:14:26 -0400
From:	Gregory Haskins <ghaskins@...ell.com>
To:	kvm@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, avi@...hat.com,
	davidel@...ilserver.org
Subject: [KVM PATCH 0/3] irqfd

(Applies to kvm.git b59cd3560111)

This series implements a mechanism called "irqfd".  It lets you create
an eventfd based file-desriptor to inject interrupts to the guest.  We
associate one gsi per fd for proper routing granularity.

We do not have a user of this interface in this series, though note
future version of virtual-bus (v4 and above) will be based on this.

The first two patches will require mainline buy-in, particularly from Davide
(cc'd).  The last patch is kvm specific.

kvm-userspace.git patch to follow.

-Greg

---

Gregory Haskins (3):
      kvm: add support for irqfd via eventfd-notification interface
      eventfd: add a notifier mechanism
      eventfd: export fget and signal interfaces for module use


 arch/x86/kvm/Makefile    |    2 -
 arch/x86/kvm/x86.c       |    1 
 fs/eventfd.c             |   54 +++++++++++++++++++
 include/linux/eventfd.h  |    8 +++
 include/linux/kvm.h      |    7 ++
 include/linux/kvm_host.h |    7 ++
 virt/kvm/irqfd.c         |  133 ++++++++++++++++++++++++++++++++++++++++++++++
 virt/kvm/kvm_main.c      |   12 ++++
 8 files changed, 223 insertions(+), 1 deletions(-)
 create mode 100644 virt/kvm/irqfd.c

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