The following series implements support for the architected generic
timers for KVM/ARM.
This patch series can also be pulled from:
git://github.com/virtualopensystems/linux-kvm-arm.git
branch: kvm-arm-v16-vgic-timers
Changes since v5:
- Renamed sync_{to,from} to {flush,sync}_hwstate
- Removed ISB's in world-switch code
- Avoid add/sub on vcpu pointer in world-switch
Changes since v1-v4:
- Get virtual IRQ number from DT
- Simplify access to cntvoff and cntv_cval
- Remove extraneous bit clearing
- Abstract timer arming/disarming to improve code readability
- Context switch CNTKCTL across world-switches
- Add CPU hotplug notifier
---
Marc Zyngier (4):
ARM: arch_timers: switch to physical timers if HYP mode is available
ARM: KVM: arch_timers: Add guest timer core support
ARM: KVM: arch_timers: Add timer world switch
ARM: KVM: arch_timers: Wire the init code and config option
arch/arm/include/asm/kvm_arch_timer.h | 85 ++++++++++
arch/arm/include/asm/kvm_asm.h | 3
arch/arm/include/asm/kvm_host.h | 5 +
arch/arm/kernel/arch_timer.c | 7 +
arch/arm/kernel/asm-offsets.c | 6 +
arch/arm/kvm/Kconfig | 8 +
arch/arm/kvm/Makefile | 1
arch/arm/kvm/arch_timer.c | 271 +++++++++++++++++++++++++++++++++
arch/arm/kvm/arm.c | 14 ++
arch/arm/kvm/coproc.c | 4
arch/arm/kvm/interrupts.S | 2
arch/arm/kvm/interrupts_head.S | 90 +++++++++++
arch/arm/kvm/vgic.c | 1
13 files changed, 495 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/include/asm/kvm_arch_timer.h
create mode 100644 arch/arm/kvm/arch_timer.c
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