Hi Marc, On 5/10/21 2:48 PM, Marc Zyngier wrote: > This is a new version of the series previously posted at [2], reworking > the vGIC and timer code to cope with the M1 braindead^Wamusing nature. > > Hardly any change this time around, mostly rebased on top of upstream > now that the dependencies have made it in. > > Tested with multiple concurrent VMs running from an initramfs. > > * From v2: > - Rebased on 5.13-rc1 > - Fixed a couple of nits in the GIC registration code > > * From v1 [1]: > - Rebased on Hector's v4 posting[0] > - Dropped a couple of patches that have been merged in the above series > - Fixed irq_ack callback on the timer path > > [0] https://lore.kernel.org/r/20210402090542.131194-1-marcan@xxxxxxxxx > [1] https://lore.kernel.org/r/20210316174617.173033-1-maz@xxxxxxxxxx > [2] https://lore.kernel.org/r/20210403112931.1043452-1-maz@xxxxxxxxxx This looks interesting and I want to take a look. For now, I can only review the series, but maybe at some point I'll take the leap and try to run Linux on my Macbook Air. Can I find something resembling a specification for the Apple interrupt controller, or the only available documentation is in the Linux driver and patches on the mailing list? Thanks, Alex > > Marc Zyngier (9): > irqchip/gic: Split vGIC probing information from the GIC code > KVM: arm64: Handle physical FIQ as an IRQ while running a guest > KVM: arm64: vgic: Be tolerant to the lack of maintenance interrupt > KVM: arm64: vgic: Let an interrupt controller advertise lack of HW > deactivation > KVM: arm64: vgic: move irq->get_input_level into an ops structure > KVM: arm64: vgic: Implement SW-driven deactivation > KVM: arm64: timer: Refactor IRQ configuration > KVM: arm64: timer: Add support for SW-based deactivation > irqchip/apple-aic: Advertise some level of vGICv3 compatibility > > arch/arm64/kvm/arch_timer.c | 161 +++++++++++++++++++++---- > arch/arm64/kvm/hyp/hyp-entry.S | 6 +- > arch/arm64/kvm/vgic/vgic-init.c | 34 +++++- > arch/arm64/kvm/vgic/vgic-v2.c | 19 ++- > arch/arm64/kvm/vgic/vgic-v3.c | 19 ++- > arch/arm64/kvm/vgic/vgic.c | 14 +-- > drivers/irqchip/irq-apple-aic.c | 8 ++ > drivers/irqchip/irq-gic-common.c | 13 -- > drivers/irqchip/irq-gic-common.h | 2 - > drivers/irqchip/irq-gic-v3.c | 6 +- > drivers/irqchip/irq-gic.c | 6 +- > include/kvm/arm_vgic.h | 41 +++++-- > include/linux/irqchip/arm-gic-common.h | 25 +--- > include/linux/irqchip/arm-vgic-info.h | 43 +++++++ > 14 files changed, 291 insertions(+), 106 deletions(-) > create mode 100644 include/linux/irqchip/arm-vgic-info.h >
