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Date: Mon, 31 Mar 2014 11:43:10 +0200
From: Paolo Bonzini <pbonzini@...hat.com>
To: linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org
CC: gleb@...nel.org, kvm@...r.kernel.org
Subject: Re: [GIT PULL] KVM changes for 3.15 merge window
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
>
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