[00/17] KVM/arm updates for 5.4

Pull-request

git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-5.4

Message

Marc Zyngier Sept. 9, 2019, 1:47 p.m. UTC

Paolo, Radim,

Here is the KVM/arm updates for 5.4: a new ITS translation cache
improving performance for interrupt injection of of assigned devices,
a couple of fixes to allow up to 512 vcpus, and a number of fixes and
other cleanups.

Please pull,

	M.

The following changes since commit d45331b00ddb179e291766617259261c112db872:

  Linux 5.3-rc4 (2019-08-11 13:26:41 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-5.4

for you to fetch changes up to 92f35b751c71d14250a401246f2c792e3aa5b386:

  KVM: arm/arm64: vgic: Allow more than 256 vcpus for KVM_IRQ_LINE (2019-09-09 12:29:09 +0100)

----------------------------------------------------------------
KVM/arm updates for 5.4

- New ITS translation cache
- Allow up to 512 CPUs to be supported with GICv3 (for real this time)
- Now call kvm_arch_vcpu_blocking early in the blocking sequence
- Tidy-up device mappings in S2 when DIC is available
- Clean icache invalidation on VMID rollover
- General cleanup

----------------------------------------------------------------
Alexandru Elisei (1):
      KVM: arm/arm64: vgic: Make function comments match function declarations

Eric Auger (1):
      KVM: arm/arm64: vgic: Use a single IO device per redistributor

James Morse (1):
      arm64: KVM: Device mappings should be execute-never

Marc Zyngier (13):
      KVM: arm/arm64: vgic: Add LPI translation cache definition
      KVM: arm/arm64: vgic: Add __vgic_put_lpi_locked primitive
      KVM: arm/arm64: vgic-its: Add MSI-LPI translation cache invalidation
      KVM: arm/arm64: vgic-its: Invalidate MSI-LPI translation cache on specific commands
      KVM: arm/arm64: vgic-its: Invalidate MSI-LPI translation cache on disabling LPIs
      KVM: arm/arm64: vgic-its: Invalidate MSI-LPI translation cache on ITS disable
      KVM: arm/arm64: vgic-its: Invalidate MSI-LPI translation cache on vgic teardown
      KVM: arm/arm64: vgic-its: Cache successful MSI->LPI translation
      KVM: arm/arm64: vgic-its: Check the LPI translation cache on MSI injection
      KVM: arm/arm64: vgic-irqfd: Implement kvm_arch_set_irq_inatomic
      KVM: Call kvm_arch_vcpu_blocking early into the blocking sequence
      KVM: arm/arm64: vgic: Remove spurious semicolons
      KVM: arm/arm64: vgic: Allow more than 256 vcpus for KVM_IRQ_LINE

Mark Rutland (1):
      arm64/kvm: Remove VMID rollover I-cache maintenance

 Documentation/virt/kvm/api.txt        |  12 +-
 arch/arm/include/uapi/asm/kvm.h       |   4 +-
 arch/arm64/include/asm/pgtable-prot.h |   2 +-
 arch/arm64/include/uapi/asm/kvm.h     |   4 +-
 arch/arm64/kvm/hyp/tlb.c              |  14 ++-
 include/kvm/arm_vgic.h                |   4 +-
 include/uapi/linux/kvm.h              |   1 +
 virt/kvm/arm/arm.c                    |   2 +
 virt/kvm/arm/vgic/vgic-init.c         |   8 +-
 virt/kvm/arm/vgic/vgic-irqfd.c        |  36 +++++-
 virt/kvm/arm/vgic/vgic-its.c          | 207 ++++++++++++++++++++++++++++++++++
 virt/kvm/arm/vgic/vgic-mmio-v3.c      |  85 +++++---------
 virt/kvm/arm/vgic/vgic-v2.c           |   7 +-
 virt/kvm/arm/vgic/vgic-v3.c           |   7 +-
 virt/kvm/arm/vgic/vgic.c              |  26 +++--
 virt/kvm/arm/vgic/vgic.h              |   5 +
 virt/kvm/kvm_main.c                   |   7 +-
 17 files changed, 339 insertions(+), 92 deletions(-)

Comments

Paolo Bonzini Sept. 10, 2019, 5:09 p.m. UTC | #1

On 09/09/19 15:47, Marc Zyngier wrote:
>   git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-5.4

Pulled, thanks.

Paolo