Marc Zyngier 00751da0c0 kvmtool: ARM: timers: add "always-on" property to the device tree ...

The new optional property "always-on" indicates that the timers
are, well, always on when used with KVM.

This allows for substantial performance improvement in the guest
(it switches to NOHZ instead of using a periodic tick per vcpu)
and removes a lot of burden from the host (no need to inject tons
of interrupts with the associated rescheduling overhead).

Old kernels that don't understand this property will simply ignore it.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

2015-06-01 16:39:55 +01:00

..

aarch32

kvmtool: virtio: enable arm/arm64 support for bi-endianness

2015-06-01 16:39:55 +01:00

aarch64

kvmtool: virtio: enable arm/arm64 support for bi-endianness

2015-06-01 16:39:55 +01:00

include/arm-common

kvm tools: Provide per arch macro to specify type for KVM_CREATE_VM

2015-06-01 16:39:55 +01:00

fdt.c

kvm tools: Introduce weak (default) load_bzimage function

2015-06-01 16:39:55 +01:00

gic.c

kvm tools: irq: make irq__alloc_line generic

2015-06-01 16:39:55 +01:00

ioport.c

kvm tools: irq: make irq__alloc_line generic

2015-06-01 16:39:55 +01:00

irq.c

kvm tools: irq: make irq__alloc_line generic

2015-06-01 16:39:55 +01:00

kvm-cpu.c

kvmtool: virtio: pass trapped vcpu to IO accessors

2015-06-01 16:39:55 +01:00

kvm.c

kvmtool: ARM: pass MADV_HUGEPAGE to madvise

2015-06-01 16:39:55 +01:00

pci.c

kvm tools: ARM: bring generated pci FDT node in-line with kernel binding

2015-06-01 16:39:55 +01:00

timer.c

kvmtool: ARM: timers: add "always-on" property to the device tree

2015-06-01 16:39:55 +01:00