Re: [GIT PULL] KVM/ARM pull request for 4.3

[Paolo Bonzini <pbonzini@redhat.com>]

On 20/08/2015 09:28, Marc Zyngier wrote:
> Hi Paolo,
> 
> This is the KVM/ARM pull request for Linux 4.3. Some rather major
> things this time around (guest debug, management of interrupt active
> state, lazy FP save/restore).
> 
> Thanks!
> 
> 	M.
> 
> The following changes since commit bc0195aad0daa2ad5b0d76cce22b167bc3435590:
> 
>   Linux 4.2-rc2 (2015-07-12 15:10:30 -0700)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvm-arm-for-4.3
> 
> for you to fetch changes up to 054167b3d55127feb64978eddf3f9f3a84fe493b:
> 
>   arm: KVM: keep arm vfp/simd exit handling consistent with arm64 (2015-08-19 22:27:58 +0100)

Pulled---for now in kvm/queue until I get Alex's pull request.

Paolo

> ----------------------------------------------------------------
> KVM/ARM changes for 4.3
> 
> - Full debug support for arm64
> - Active state switching for timer interrupts
> - Lazy FP/SIMD save/restore for arm64
> - Generic ARMv8 target
> 
> ----------------------------------------------------------------
> Alex Bennée (11):
>       KVM: add comments for kvm_debug_exit_arch struct
>       KVM: arm64: guest debug, define API headers
>       KVM: arm: guest debug, add stub KVM_SET_GUEST_DEBUG ioctl
>       KVM: arm: introduce kvm_arm_init/setup/clear_debug
>       KVM: arm64: guest debug, add SW break point support
>       KVM: arm64: guest debug, add support for single-step
>       KVM: arm64: re-factor hyp.S debug register code
>       KVM: arm64: introduce vcpu->arch.debug_ptr
>       KVM: arm64: guest debug, HW assisted debug support
>       KVM: arm64: enable KVM_CAP_SET_GUEST_DEBUG
>       KVM: arm64: add trace points for guest_debug debug
> 
> Marc Zyngier (10):
>       arm/arm64: KVM: Fix ordering of timer/GIC on guest entry
>       arm/arm64: KVM: Move vgic handling to a non-preemptible section
>       KVM: arm/arm64: vgic: Convert struct vgic_lr to use bitfields
>       KVM: arm/arm64: vgic: Allow HW irq to be encoded in LR
>       KVM: arm/arm64: vgic: Relax vgic_can_sample_irq for edge IRQs
>       KVM: arm/arm64: vgic: Allow dynamic mapping of physical/virtual interrupts
>       KVM: arm/arm64: vgic: Allow HW interrupts to be queued to a guest
>       KVM: arm/arm64: vgic: Add vgic_{get,set}_phys_irq_active
>       KVM: arm/arm64: vgic: Prevent userspace injection of a mapped interrupt
>       KVM: arm/arm64: timer: Allow the timer to control the active state
> 
> Mario Smarduch (2):
>       arm64: KVM: Optimize arm64 skip 30-50% vfp/simd save/restore on exits
>       arm: KVM: keep arm vfp/simd exit handling consistent with arm64
> 
> Suzuki K. Poulose (1):
>       arm64/kvm: Add generic v8 KVM target
> 
> Vladimir Murzin (1):
>       arm64: KVM: remove remaining reference to vgic_sr_vectors
> 
>  Documentation/virtual/kvm/api.txt      |  15 +-
>  arch/arm/include/asm/kvm_host.h        |   5 +
>  arch/arm/kvm/arm.c                     |  36 +-
>  arch/arm/kvm/guest.c                   |   6 +
>  arch/arm/kvm/interrupts.S              |  14 +-
>  arch/arm/kvm/reset.c                   |   4 +-
>  arch/arm64/include/asm/hw_breakpoint.h |  14 +
>  arch/arm64/include/asm/kvm_arm.h       |   5 +-
>  arch/arm64/include/asm/kvm_asm.h       |  26 +-
>  arch/arm64/include/asm/kvm_host.h      |  42 ++-
>  arch/arm64/include/uapi/asm/kvm.h      |  37 +-
>  arch/arm64/kernel/asm-offsets.c        |   9 +-
>  arch/arm64/kernel/hw_breakpoint.c      |  12 -
>  arch/arm64/kvm/Makefile                |   2 +-
>  arch/arm64/kvm/debug.c                 | 217 ++++++++++++
>  arch/arm64/kvm/guest.c                 |  43 ++-
>  arch/arm64/kvm/handle_exit.c           |  44 +++
>  arch/arm64/kvm/hyp.S                   | 617 ++++++++++++---------------------
>  arch/arm64/kvm/reset.c                 |  20 +-
>  arch/arm64/kvm/sys_regs.c              | 291 ++++++++++++++--
>  arch/arm64/kvm/sys_regs.h              |   6 +
>  arch/arm64/kvm/sys_regs_generic_v8.c   |   2 +
>  arch/arm64/kvm/trace.h                 | 123 +++++++
>  include/kvm/arm_arch_timer.h           |   7 +-
>  include/kvm/arm_vgic.h                 |  39 ++-
>  include/linux/irqchip/arm-gic-v3.h     |   3 +
>  include/linux/irqchip/arm-gic.h        |   3 +-
>  include/uapi/linux/kvm.h               |   5 +
>  virt/kvm/arm/arch_timer.c              |  29 +-
>  virt/kvm/arm/vgic-v2.c                 |  16 +-
>  virt/kvm/arm/vgic-v3.c                 |  21 +-
>  virt/kvm/arm/vgic.c                    | 427 +++++++++++++++++++++--
>  32 files changed, 1596 insertions(+), 544 deletions(-)
>  create mode 100644 arch/arm64/kvm/debug.c
>