Re: [GIT PULL] KVM changes for 3.15 merge window

[Paolo Bonzini <pbonzini@redhat.com>]

Il 31/03/2014 10:30, Paolo Bonzini ha scritto:
> Linus,
>
> The following changes since commit 6d0abeca3242a88cab8232e4acd7e2bf088f3bc2:
>
>   Linux 3.14-rc3 (2014-02-16 13:30:25 -0800)
>
> are available in the git repository at:
>
>   git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/kvm-3.15-1

Also at tags/for-linus, but request-pull chose this other tag for some 
reason.

Paolo

> for you to fetch changes up to 7227fc0666606b0df2c0d2966a7f4859b01bdf74:
>
>   Merge branch 'kvm-ppchv-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-next (2014-03-29 15:44:05 +0100)
>
> No other changes expected for this merge window.
>
> Paolo
>
> ----------------------------------------------------------------
>
> PPC and ARM do not have much going on this time.  Most of the cool stuff,
> instead, is in s390 and (after a few releases) x86.
>
> ARM has some caching fixes and PPC has transactional memory support
> in guests.  MIPS has some fixes, with more probably coming in 3.16 as
> QEMU will soon get support for MIPS KVM.
>
> For x86 there are optimizations for debug registers, which trigger on
> some Windows games, and other important fixes for Windows guests.  We now
> expose to the guest Broadwell instruction set extensions and also Intel
> MPX.  There's also a fix/workaround for OS X guests, nested virtualization
> features (preemption timer), and a couple kvmclock refinements.
>
> For s390, the main news is asynchronous page faults, together with
> improvements to IRQs (floating irqs and adapter irqs) that speed up
> virtio devices.
>
> ----------------------------------------------------------------
> Andrew Honig (1):
>       kvm: x86: fix emulator buffer overflow (CVE-2014-0049)
>
> Andrew Jones (2):
>       x86: kvm: rate-limit global clock updates
>       x86: kvm: introduce periodic global clock updates
>
> Anton Blanchard (1):
>       KVM: PPC: Book3S HV: Fix KVM hang with CONFIG_KVM_XICS=n
>
> Christian Borntraeger (4):
>       KVM: s390: Provide access to program parameter
>       KVM: s390: expose gbea register to userspace
>       KVM: s390: Optimize ucontrol path
>       KVM: s390: randomize sca address
>
> Christoffer Dall (1):
>       KVM: Specify byte order for KVM_EXIT_MMIO
>
> Cornelia Huck (6):
>       virtio-ccw: virtio-ccw adapter interrupt support.
>       KVM: eventfd: Fix lock order inversion.
>       KVM: Add per-vm capability enablement.
>       KVM: s390: adapter interrupt sources
>       KVM: s390: irq routing for adapter interrupts.
>       KVM: Bump KVM_MAX_IRQ_ROUTES for s390
>
> Dominik Dingel (7):
>       KVM: s390: Add FAULT_FLAG_RETRY_NOWAIT for guest fault
>       KVM: async_pf: Provide additional direct page notification
>       KVM: async_pf: Allow to wait for outstanding work
>       KVM: async_pf: Async page fault support on s390
>       KVM: async_pf: Exploit one reg interface for pfault
>       KVM: async_pf: Add missing call for async page present
>       KVM: s390: Removing untriggerable BUG_ONs
>
> Fernando Luis Vázquez Cao (1):
>       kvm: remove redundant registration of BSP's hv_clock area
>
> Gabriel L. Somlo (1):
>       kvm: x86: ignore ioapic polarity
>
> Greg Kurz (1):
>       KVM: PPC: Book3S HV: Fix incorrect userspace exit on ioeventfd write
>
> Heinz Graalfs (2):
>       virtio_ccw: fix vcdev pointer handling issues
>       virtio_ccw: fix hang in set offline processing
>
> Igor Mammedov (2):
>       KVM: x86 emulator: emulate MOVAPS
>       KVM: x86 emulator: emulate MOVAPD
>
> James Hogan (4):
>       MIPS: KVM: asm/kvm_host.h: Clean up whitespace
>       MIPS: KVM: Pass reserved instruction exceptions to guest
>       MIPS: KVM: Consult HWREna before emulating RDHWR
>       MIPS: KVM: Remove dead code in CP0 emulation
>
> Jan Kiszka (4):
>       KVM: nVMX: Rework interception of IRQs and NMIs
>       KVM: nVMX: Fully emulate preemption timer
>       KVM: nVMX: Do not inject NMI vmexits when L2 has a pending interrupt
>       KVM: x86: Remove return code from enable_irq/nmi_window
>
> Jens Freimann (7):
>       KVM: s390: add and extend interrupt information data structs
>       KVM: s390: add floating irq controller
>       KVM: s390: limit floating irqs
>       KVM: s390: Simplify online vcpus counting for stsi
>       KVM: s390: get rid of local_int array
>       KVM: s390: fix calculation of idle_mask array size
>       KVM: s390: clear local interrupts at cpu initial reset
>
> Laurent Dufour (1):
>       KVM: PPC: Book3S: Introduce hypervisor call H_GET_TCE
>
> Liu, Jinsong (6):
>       KVM: x86: expose new instruction RDSEED to guest
>       KVM: x86: expose ADX feature to guest
>       KVM: x86: Fix xsave cpuid exposing bug
>       KVM: x86: Intel MPX vmx and msr handle
>       KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save
>       KVM: x86: Enable Intel MPX for guest
>
> Marc Zyngier (13):
>       arm/arm64: KVM: detect CPU reset on CPU_PM_EXIT
>       arm64: KVM: force cache clean on page fault when caches are off
>       arm64: KVM: allows discrimination of AArch32 sysreg access
>       arm64: KVM: trap VM system registers until MMU and caches are ON
>       ARM: KVM: introduce kvm_p*d_addr_end
>       arm64: KVM: flush VM pages before letting the guest enable caches
>       ARM: KVM: force cache clean on page fault when caches are off
>       ARM: KVM: fix handling of trapped 64bit coprocessor accesses
>       ARM: KVM: fix ordering of 64bit coprocessor accesses
>       ARM: KVM: introduce per-vcpu HYP Configuration Register
>       ARM: KVM: add world-switch for AMAIR{0,1}
>       ARM: KVM: trap VM system registers until MMU and caches are ON
>       ARM: KVM: fix warning in mmu.c
>
> Marcelo Tosatti (3):
>       KVM: x86: remove unused last_kernel_ns variable
>       KVM: x86: emulator_cmpxchg_emulated should mark_page_dirty
>       KVM: MMU: drop read-only large sptes when creating lower level sptes
>
> Martin Schwidefsky (1):
>       s390/airq: add support for irq ranges
>
> Michael Mueller (3):
>       KVM: s390: implementation of kvm_arch_vcpu_runnable()
>       KVM: add kvm_arch_vcpu_runnable() test to kvm_vcpu_on_spin() loop
>       KVM/s390: Set preempted flag during vcpu wakeup and interrupt delivery
>
> Michael Neuling (2):
>       KVM: PPC: Book3S HV: Add transactional memory support
>       KVM: PPC: Book3S HV: Add get/set_one_reg for new TM state
>
> Paolo Bonzini (27):
>       Merge tag 'kvm-s390-20140130' of git://git.kernel.org/.../kvms390/linux into HEAD
>       Merge branch 'kvm-master' into kvm-queue
>       kvm, vmx: Really fix lazy FPU on nested guest
>       kvm, vmx: Really fix lazy FPU on nested guest
>       Merge tag 'kvm-s390-20140304' of git://git.kernel.org/.../kvms390/linux into kvm-next
>       Merge tag 'kvm-for-3.15-1' of git://git.kernel.org/.../maz/arm-platforms into kvm-next
>       Merge tag 'kvm-s390-20140306' of git://git.kernel.org/.../kvms390/linux into kvm-next
>       KVM: vmx: we do rely on loading DR7 on entry
>       KVM: x86: change vcpu->arch.switch_db_regs to a bit mask
>       KVM: x86: Allow the guest to run with dirty debug registers
>       KVM: vmx: Allow the guest to run with dirty debug registers
>       KVM: nVMX: Allow nested guests to run with dirty debug registers
>       KVM: svm: set/clear all DR intercepts in one swoop
>       KVM: svm: Allow the guest to run with dirty debug registers
>       Merge branch 'kvm-ppc-fix' into HEAD
>       Merge tag 'kvm-s390-20140317' of git://git.kernel.org/.../kvms390/linux into HEAD
>       KVM: x86: introduce kvm_supported_xcr0()
>       KVM: x86: Add nested virtualization support for MPX
>       KVM: x86: handle missing MPX in nested virtualization
>       KVM: ioapic: merge ioapic_deliver into ioapic_service
>       KVM: ioapic: clear IRR for edge-triggered interrupts at delivery
>       KVM: ioapic: extract body of kvm_ioapic_set_irq
>       KVM: ioapic: reinject pending interrupts on KVM_SET_IRQCHIP
>       Merge branch 'kvms390-irqfd' of git://git.kernel.org/.../kvms390/linux into kvm-next
>       Merge tag 'kvm-s390-20140325' of git://git.kernel.org/.../kvms390/linux into kvm-next
>       KVM: vmx: fix MPX detection
>       Merge branch 'kvm-ppchv-next' of git://git.kernel.org/.../paulus/powerpc into kvm-next
>
> Paul Mackerras (7):
>       KVM: PPC: Book3S HV: Remove bogus duplicate code
>       KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE
>       KVM: PPC: Book3S: Trim top 4 bits of physical address in RTAS code
>       KVM: PPC: Book3S HV: Return ENODEV error rather than EIO
>       KVM: PPC: Book3S HV: Don't use kvm_memslots() in real mode
>       KVM: PPC: Book3S HV: Fix decrementer timeouts with non-zero TB offset
>       KVM: PPC: Book3S HV: Save/restore host PMU registers that are new in POWER8
>
> Radim Krčmář (1):
>       KVM: SVM: fix NMI window after iret
>
> Takuya Yoshikawa (2):
>       KVM: Simplify kvm->tlbs_dirty handling
>       KVM: x86: Break kvm_for_each_vcpu loop after finding the VP_INDEX
>
> Thomas Huth (2):
>       KVM: s390: Fixed CC of SIGP SET_PREFIX handler
>       KVM: s390: Fix possible memory leak in SIGP functions
>
>  Documentation/virtual/kvm/api.txt               |  47 +-
>  Documentation/virtual/kvm/devices/s390_flic.txt |  91 +++
>  arch/arm/include/asm/kvm_arm.h                  |   4 +-
>  arch/arm/include/asm/kvm_asm.h                  |   4 +-
>  arch/arm/include/asm/kvm_host.h                 |   9 +-
>  arch/arm/include/asm/kvm_mmu.h                  |  30 +-
>  arch/arm/kernel/asm-offsets.c                   |   1 +
>  arch/arm/kvm/arm.c                              |   3 +-
>  arch/arm/kvm/coproc.c                           |  84 ++-
>  arch/arm/kvm/coproc.h                           |  14 +-
>  arch/arm/kvm/coproc_a15.c                       |   2 +-
>  arch/arm/kvm/coproc_a7.c                        |   2 +-
>  arch/arm/kvm/guest.c                            |   1 +
>  arch/arm/kvm/interrupts.S                       |  11 +-
>  arch/arm/kvm/interrupts_head.S                  |  21 +-
>  arch/arm/kvm/mmu.c                              | 110 +++-
>  arch/arm64/include/asm/kvm_arm.h                |   3 +-
>  arch/arm64/include/asm/kvm_asm.h                |   3 +-
>  arch/arm64/include/asm/kvm_mmu.h                |  22 +-
>  arch/arm64/kvm/hyp.S                            |  27 +-
>  arch/arm64/kvm/sys_regs.c                       |  99 +++-
>  arch/arm64/kvm/sys_regs.h                       |   2 +
>  arch/ia64/kvm/kvm-ia64.c                        |   1 +
>  arch/mips/include/asm/kvm_host.h                | 417 +++++++-------
>  arch/mips/kvm/kvm_mips_emul.c                   |  40 +-
>  arch/powerpc/include/asm/kvm_book3s.h           |   5 +
>  arch/powerpc/include/asm/kvm_book3s_64.h        |  12 +
>  arch/powerpc/include/asm/kvm_book3s_asm.h       |   2 +-
>  arch/powerpc/include/asm/kvm_ppc.h              |   2 +
>  arch/powerpc/include/asm/reg.h                  |   1 +
>  arch/powerpc/include/asm/tm.h                   |   4 +
>  arch/powerpc/kvm/book3s_64_mmu_hv.c             |   9 +-
>  arch/powerpc/kvm/book3s_64_vio_hv.c             |  28 +
>  arch/powerpc/kvm/book3s_hv.c                    | 159 +++++-
>  arch/powerpc/kvm/book3s_hv_interrupts.S         |  22 +
>  arch/powerpc/kvm/book3s_hv_rm_mmu.c             |   6 +-
>  arch/powerpc/kvm/book3s_hv_rmhandlers.S         | 258 +++++----
>  arch/powerpc/kvm/book3s_rtas.c                  |   7 +-
>  arch/s390/include/asm/airq.h                    |  14 +-
>  arch/s390/include/asm/irq.h                     |   1 +
>  arch/s390/include/asm/kvm_host.h                |  98 ++--
>  arch/s390/include/asm/pgtable.h                 |   2 +
>  arch/s390/include/asm/processor.h               |   1 +
>  arch/s390/include/uapi/asm/kvm.h                |  43 ++
>  arch/s390/kernel/irq.c                          |   1 +
>  arch/s390/kvm/Kconfig                           |   4 +
>  arch/s390/kvm/Makefile                          |   2 +-
>  arch/s390/kvm/diag.c                            |  84 +++
>  arch/s390/kvm/interrupt.c                       | 704 +++++++++++++++++++++---
>  arch/s390/kvm/irq.h                             |  22 +
>  arch/s390/kvm/kvm-s390.c                        | 212 ++++++-
>  arch/s390/kvm/kvm-s390.h                        |   7 +
>  arch/s390/kvm/priv.c                            |   7 +-
>  arch/s390/kvm/sigp.c                            | 157 +++---
>  arch/s390/kvm/trace.h                           |  46 ++
>  arch/s390/mm/fault.c                            |  26 +-
>  arch/x86/include/asm/kvm_host.h                 |  18 +-
>  arch/x86/include/asm/vmx.h                      |   4 +
>  arch/x86/include/asm/xsave.h                    |   2 +
>  arch/x86/include/uapi/asm/msr-index.h           |   1 +
>  arch/x86/kernel/kvm.c                           |   1 -
>  arch/x86/kernel/kvmclock.c                      |   2 +-
>  arch/x86/kvm/cpuid.c                            |  37 +-
>  arch/x86/kvm/emulate.c                          |   8 +-
>  arch/x86/kvm/mmu.c                              |   3 +-
>  arch/x86/kvm/paging_tmpl.h                      |   7 +-
>  arch/x86/kvm/svm.c                              |  84 ++-
>  arch/x86/kvm/vmx.c                              | 336 +++++++----
>  arch/x86/kvm/x86.c                              | 147 ++++-
>  arch/x86/kvm/x86.h                              |   5 +-
>  drivers/s390/cio/airq.c                         |  66 ++-
>  drivers/s390/kvm/virtio_ccw.c                   | 323 ++++++++++-
>  include/linux/kvm_host.h                        |  20 +-
>  include/uapi/linux/kvm.h                        |  83 +++
>  virt/kvm/Kconfig                                |   4 +
>  virt/kvm/async_pf.c                             |  27 +-
>  virt/kvm/eventfd.c                              |   8 +-
>  virt/kvm/ioapic.c                               | 108 ++--
>  virt/kvm/kvm_main.c                             |  12 +-
>  79 files changed, 3360 insertions(+), 940 deletions(-)
>  create mode 100644 Documentation/virtual/kvm/devices/s390_flic.txt
>  create mode 100644 arch/s390/kvm/irq.h
>