linux-kernel - [PATCH v3 0/4] KVM & genirq: Enable adaptive IRQ sharing for passed-through devices

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Date:	Mon, 13 Dec 2010 23:59:42 +0100
From:	Jan Kiszka <jan.kiszka@....de>
To:	Thomas Gleixner <tglx@...utronix.de>, Avi Kivity <avi@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kvm <kvm@...r.kernel.org>,
	Tom Lyon <pugs@...co.com>,
	Alex Williamson <alex.williamson@...hat.com>,
	"Michael S. Tsirkin" <mst@...hat.com>
Subject: [PATCH v3 0/4] KVM & genirq: Enable adaptive IRQ sharing for passed-through devices

This addresses the review comments of the previous round:
 - renamed irq_data::status to drv_status
 - moved drv_status around to unbreak GENERIC_HARDIRQS_NO_DEPRECATED
 - fixed signature of get_irq_status (irq is now unsigned int)
 - converted register_lock into a global one
 - fixed critical white space breakage (that I just left in to check if
   anyone is actually reading the code, of course...)

Note: The KVM patch still depends on
http://thread.gmane.org/gmane.comp.emulators.kvm.devel/64515

Thanks for all comments!

Final but critical question: Who will pick up which bits?

Jan Kiszka (4):
  genirq: Introduce driver-readable IRQ status word
  genirq: Inform handler about line sharing state
  genirq: Add support for IRQF_COND_ONESHOT
  KVM: Allow host IRQ sharing for passed-through PCI 2.3 devices

 Documentation/kvm/api.txt |   27 ++++
 arch/x86/kvm/x86.c        |    1 +
 include/linux/interrupt.h |   15 ++
 include/linux/irq.h       |    2 +
 include/linux/kvm.h       |    6 +
 include/linux/kvm_host.h  |   10 ++-
 kernel/irq/manage.c       |   77 ++++++++++-
 virt/kvm/assigned-dev.c   |  336 ++++++++++++++++++++++++++++++++++++++++-----
 8 files changed, 436 insertions(+), 38 deletions(-)

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