Alex Williamson 7a84428af7 KVM: Add resampling irqfds for level triggered interrupts ... To emulate level triggered interrupts, add a resample option to KVM_IRQFD. When specified, a new resamplefd is provided that notifies the user when the irqchip has been resampled by the VM. This may, for instance, indicate an EOI. Also in this mode, posting of an interrupt through an irqfd only asserts the interrupt. On resampling, the interrupt is automatically de-asserted prior to user notification. This enables level triggered interrupts to be posted and re-enabled from vfio with no userspace intervention. All resampling irqfds can make use of a single irq source ID, so we reserve a new one for this interface. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>		2012-09-23 13:50:15 +02:00
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Kconfig	KVM: Add config to support ple or cpu relax optimzation	2012-07-23 13:00:53 +03:00
assigned-dev.c	KVM: Fix device assignment threaded irq handler	2012-07-11 13:01:48 +03:00
async_pf.c	KVM: do not release the error page	2012-08-06 16:04:58 +03:00
async_pf.h	KVM: Halt vcpu if page it tries to access is swapped out	2011-01-12 11:21:39 +02:00
coalesced_mmio.c	KVM: make checks stricter in coalesced_mmio_in_range()	2011-12-27 11:17:07 +02:00
coalesced_mmio.h	KVM: Make coalesced mmio use a device per zone	2011-09-25 19:17:57 +03:00
eventfd.c	KVM: Add resampling irqfds for level triggered interrupts	2012-09-23 13:50:15 +02:00
ioapic.c	KVM: x86: drop parameter validation in ioapic/pic	2012-08-14 22:35:22 -03:00
ioapic.h	KVM: fix race with level interrupts	2012-07-20 16:12:00 -03:00
iodev.h	KVM: remove in_range from io devices	2009-09-10 08:33:05 +03:00
iommu.c	KVM: do not release the error pfn	2012-08-06 16:04:57 +03:00
irq_comm.c	KVM: Add resampling irqfds for level triggered interrupts	2012-09-23 13:50:15 +02:00
kvm_main.c	KVM: make processes waiting on vcpu mutex killable	2012-09-17 13:46:32 -03:00