[GIT PULL] KVM changes for 3.19

From: Paolo Bonzini
Date: Thu Dec 18 2014 - 04:18:12 EST

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Linus,

The following changes since commit 0df1f2487d2f0d04703f142813d53615d62a1da4:

Linux 3.18-rc3 (2014-11-02 15:01:51 -0800)

are available in the git repository at:

git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus

for you to fetch changes up to 2c4aa55a6af070262cca425745e8e54310e96b8d:

Merge tag 'signed-kvm-ppc-next' of git://github.com/agraf/linux-2.6 into HEAD (2014-12-18 09:39:55 +0100)

IA64 removal will cause a trivial merge conflict.

----------------------------------------------------------------

3.19 changes for KVM:
- spring cleaning: removed support for IA64, and for hardware-assisted
virtualization on the PPC970
- ARM, PPC, s390 all had only small fixes

For x86:
- small performance improvements (though only on weird guests)
- usual round of hardware-compliancy fixes from Nadav
- APICv fixes
- XSAVES support for hosts and guests. XSAVES hosts were broken because
the (non-KVM) XSAVES patches inadvertently changed the KVM userspace
ABI whenever XSAVES was enabled; hence, this part is going to stable.
Guest support is just a matter of exposing the feature and CPUID leaves
support.

Right now KVM is broken for PPC BookE in your tree (doesn't compile).
I'll reply to the pull request with a patch, please apply it either
before the pull request or in the merge commit, in order to preserve
bisectability somewhat.

----------------------------------------------------------------
Alexander Graf (1):
KVM: PPC: BookE: Improve irq inject tracepoint

Andre Przywara (1):
arm/arm64: KVM: avoid unnecessary guest register mangling on MMIO read

Andy Lutomirski (4):
x86,kvm,vmx: Don't trap writes to CR4.TSD
x86, kvm, vmx: Always use LOAD_IA32_EFER if available
x86, kvm, vmx: Don't set LOAD_IA32_EFER when host and guest match
x86, kvm: Clear paravirt_enabled on KVM guests for espfix32's benefit

Aneesh Kumar K.V (1):
KVM: PPC: Book3S HV: Add missing HPTE unlock

Anton Blanchard (1):
KVM: PPC: Book3S: Enable in-kernel XICS emulation by default

Ard Biesheuvel (4):
arm/arm64: kvm: drop inappropriate use of kvm_is_mmio_pfn()
kvm: fix kvm_is_mmio_pfn() and rename to kvm_is_reserved_pfn()
kvm: add a memslot flag for incoherent memory regions
arm, arm64: KVM: handle potential incoherency of readonly memslots

Bandan Das (1):
KVM: nVMX: Disable unrestricted mode if ept=0

Chao Peng (1):
KVM: x86: Enable Intel AVX-512 for guest

Chris J Arges (1):
kvm: svm: move WARN_ON in svm_adjust_tsc_offset

Christian Borntraeger (4):
KVM: s390: Fix ipte locking
KVM: s390: flush CPU on load control
KVM: s390: trigger the right CPU exit for floating interrupts
KVM: track pid for VCPU only on KVM_RUN ioctl

Christoffer Dall (12):
arm/arm64: vgic: Remove unreachable irq_clear_pending
arm/arm64: KVM: Don't clear the VCPU_POWER_OFF flag
arm/arm64: KVM: Correct KVM_ARM_VCPU_INIT power off option
arm/arm64: KVM: Reset the HCR on each vcpu when resetting the vcpu
arm/arm64: KVM: Clarify KVM_ARM_VCPU_INIT ABI
arm/arm64: KVM: Turn off vcpus on PSCI shutdown/reboot
arm/arm64: KVM: Introduce stage2_unmap_vm
arm/arm64: KVM: Rename vgic_initialized to vgic_ready
arm/arm64: KVM: Add (new) vgic_initialized macro
arm/arm64: KVM: Don't allow creating VCPUs after vgic_initialized
arm/arm64: KVM: Initialize the vgic on-demand when injecting IRQs
arm/arm64: KVM: Require in-kernel vgic for the arch timers

CÃdric Le Goater (1):
KVM: PPC: Book3S HV: ptes are big endian

David Hildenbrand (9):
KVM: s390: sigp: dispatch orders with one target in a separate function
KVM: s390: sigp: move target cpu checks into dispatcher
KVM: s390: sigp: separate preparation handlers
KVM: s390: sigp: instruction counters for all sigp orders
KVM: s390: sigp: inject emergency calls in a separate function
KVM: s390: sigp: split handling of SIGP STOP (AND STORE STATUS)
KVM: s390: external param not valid for cpu timer and ckc
KVM: don't check for PF_VCPU when yielding
KVM: s390: some ext irqs have to clear the ext cpu addr

David Matlack (1):
kvm: x86: add trace event for pvclock updates

Dominik Dingel (2):
KVM: trivial fix comment regarding __kvm_set_memory_region
KVM: fix vm device attribute documentation

Heiko Carstens (1):
KVM: s390: fix handling of lctl[g]/stctl[g]

Igor Mammedov (7):
kvm: x86: increase user memory slots to 509
kvm: memslots: replace heap sort with an insertion sort pass
kvm: update_memslots: drop not needed check for the same number of pages
kvm: update_memslots: drop not needed check for the same slot
kvm: search_memslots: add simple LRU memslot caching
kvm: change memslot sorting rule from size to GFN
kvm: optimize GFN to memslot lookup with large slots amount

Jan Kiszka (1):
KVM: nVMX: Disable preemption while reading from shadow VMCS

Jason J. Herne (2):
KVM: s390: Cleanup usage of current->mm in set_guest_storage_key
KVM: S390: Create helper function get_guest_storage_key

Jens Freimann (8):
KVM: s390: refactor interrupt injection code
KVM: s390: add defines for virtio and pfault interrupt code
KVM: s390: refactor interrupt delivery code
KVM: s390: add bitmap for handling cpu-local interrupts
KVM: s390: handle pending local interrupts via bitmap
KVM: s390: allow injecting all kinds of machine checks
KVM: s390: use atomic bitops to access pending_irqs bitmap
KVM: s390: clean up return code handling in irq delivery code

Laszlo Ersek (1):
arm, arm64: KVM: allow forced dcache flush on page faults

Mahesh Salgaonkar (1):
KVM: PPC: Book3S HV: Fix an issue where guest is paused on receiving HMI

Marcelo Tosatti (1):
KVM: x86: update masterclock values on TSC writes

Michael S. Tsirkin (1):
kvm: drop unsupported capabilities, fix documentation

Nadav Amit (43):
KVM: x86: Fix far-jump to non-canonical check
KVM: x86: Use new is_noncanonical_address in _linearize
KVM: x86: Getting rid of grp45 in emulator
KVM: x86: Distinguish between stack operation and near branches
KVM: x86: Sysexit emulation does not mask RIP/RSP
KVM: x86: some apic broadcast modes does not work
KVM: x86: DR7.GD should be cleared upon any #DB exception
KVM: x86: Emulator does not calculate address correctly
KVM: x86: Clear DR7.LE during task-switch
KVM: x86: Emulator performs code segment checks on read access
KVM: vmx: Unavailable DR4/5 is checked before CPL
KVM: x86: decode_modrm does not regard modrm correctly
KVM: x86: No error-code on real-mode exceptions
KVM: x86: Emulator should set DR6 upon GD like real CPU
KVM: x86: Clear DR6[0:3] on #DB during handle_dr
KVM: x86: Breakpoints do not consider CS.base
KVM: x86: Emulation of MOV-sreg to memory uses incorrect size
KVM: x86: SYSCALL cannot clear eflags[1]
KVM: x86: Wrong flags on CMPS and SCAS emulation
KVM: x86: Emulate push sreg as done in Core
KVM: x86: MOV to CR3 can set bit 63
KVM: x86: Do not update EFLAGS on faulting emulation
KVM: x86: Combine the lgdt and lidt emulation logic
KVM: x86: Inject #GP when loading system segments with non-canonical base
KVM: x86: Remove redundant and incorrect cpl check on task-switch
KVM: x86: Emulator mis-decodes VEX instructions on real-mode
KVM: x86: Warn on APIC base relocation
KVM: x86: Return UNHANDLABLE on unsupported SYSENTER
KVM: x86: MOVNTI emulation min opsize is not respected
KVM: x86: Software disabled APIC should still deliver NMIs
KVM: x86: Fix lost interrupt on irr_pending race
KVM: x86: Revert NoBigReal patch in the emulator
KVM: x86: Stack size is overridden by __linearize
KVM: x86: Emulator performs privilege checks on __linearize
KVM: x86: Perform limit checks when assigning EIP
KVM: x86: Non-canonical access using SS should cause #SS
KVM: x86: Move __linearize masking of la into switch
KVM: x86: Generate #UD when memory operand is required
KVM: x86: Fix reserved x2apic registers
KVM: x86: Remove prefix flag when GP macro is used
KVM: x86: Do not push eflags.vm on pushf
KVM: x86: Emulate should check #UD before #GP
KVM: x86: em_ret_far overrides cpl

Nicholas Krause (1):
KVM: x86: Remove FIXMEs in emulate.c

Owen Hofmann (1):
kvm: x86: Fix kvm clock versioning.

Paolo Bonzini (27):
Merge tag 'kvm-s390-next-20141028' of git://git.kernel.org/.../kvms390/linux into HEAD
Merge remote-tracking branch 'origin/master' into HEAD
KVM: emulator: always inline __linearize
Merge tag 'kvm-s390-next-20141107' of git://git.kernel.org/.../kvms390/linux into HEAD
kvm: x86: vmx: avoid returning bool to distinguish success from error
KVM: x86: fix warning on 32-bit compilation
kvm: memslots: track id_to_index changes during the insertion sort
kvm: commonize allocation of the new memory slots
kvm: simplify update_memslots invocation
KVM: compute correct map even if all APICs are software disabled
KVM: emulator: remove code duplication in register_address{,_increment}
KVM: emulator: remove duplicated limit check
KVM: ia64: remove
kvm: x86: move ioapic.c and irq_comm.c back to arch/x86/
kvm: x86: mask out XSAVES
KVM: x86: move device assignment out of kvm_host.h
kvm: x86: avoid warning about potential shift wrapping bug
Merge tag 'kvm-s390-next-20141128' of git://git.kernel.org/.../kvms390/linux into HEAD
Merge tag 'kvm-s390-next-20141204' of git://git.kernel.org/.../kvms390/linux into HEAD
x86: export get_xsave_addr
KVM: x86: support XSAVES usage in the host
KVM: x86: use F() macro throughout cpuid.c
KVM: cpuid: set CPUID(EAX=0xd,ECX=1).EBX correctly
KVM: cpuid: mask more bits in leaf 0xd and subleaves
Merge tag 'kvm-arm-for-3.19-take2' of git://git.kernel.org/.../kvmarm/kvmarm into HEAD
KVM: move APIC types to arch/x86/
Merge tag 'signed-kvm-ppc-next' of git://github.com/agraf/linux-2.6 into HEAD

Paul Mackerras (5):
KVM: PPC: Book3S HV: Fix computation of tlbie operand
KVM: PPC: Book3S HV: Fix KSM memory corruption
KVM: PPC: Book3S HV: Simplify locking around stolen time calculations
KVM: PPC: Book3S HV: Remove code for PPC970 processors
KVM: PPC: Book3S HV: Fix endianness of instruction obtained from HEIR register

Peter Maydell (1):
arm/arm64: KVM: vgic: move reset initialization into vgic_init_maps()

Radim Krcmar (1):
kvm: remove CONFIG_X86 #ifdefs from files formerly shared with ia64

Radim KrÄmÃÅ (14):
KVM: x86: add apic_timer_expired()
KVM: x86: fix deadline tsc interrupt injection
KVM: x86: detect SPIV changes under APICv
KVM: x86: detect LVTT changes under APICv
KVM: x86: optimize some accesses to LVTT and SPIV
kvm: remove IA64 ioctls
kvm: x86: move assigned-dev.c and iommu.c to arch/x86/
KVM: x86: use MSR_ICR instead of a number
KVM: x86: don't retry hopeless APIC delivery
KVM: x86: deliver phys lowest-prio
KVM: x86: fix APIC physical destination wrapping
KVM: x86: check bounds of APIC maps
KVM: x86: allow 256 logical x2APICs again
KVM: cpuid: recompute CPUID 0xD.0:EBX,ECX

Rickard Strandqvist (4):
arch: powerpc: kvm: book3s_32_mmu.c: Remove unused function
arch: powerpc: kvm: book3s.c: Remove some unused functions
arch: powerpc: kvm: book3s_pr.c: Remove unused function
arch: powerpc: kvm: book3s_paired_singles.c: Remove unused function

Sam Bobroff (1):
KVM: PPC: Book3S HV: Improve H_CONFER implementation

Shannon Zhao (1):
arm/arm64: KVM: vgic: kick the specific vcpu instead of iterating through all

Suresh E. Warrier (3):
KVM: PPC: Book3S HV: Fix inaccuracies in ICP emulation for H_IPI
KVM: PPC: Book3S HV: Check wait conditions before sleeping in kvmppc_vcore_blocked
KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions

Thomas Huth (4):
KVM: s390: Make the simple ipte mutex specific to a VM instead of global
KVM: s390: Fix size of monitor-class number field
KVM: s390: Small fixes for the PFMF handler
KVM: s390: Fix rewinding of the PSW pointing to an EXECUTE instruction

Tiejun Chen (7):
Documentation: virtual: kvm: correct one bit description in APF case
kvm: kvmclock: use get_cpu() and put_cpu()
kvm: x86: vmx: move down hardware_setup() and hardware_unsetup()
kvm: x86: vmx: move some vmx setting from vmx_init() to hardware_setup()
kvm: x86: vmx: cleanup handle_ept_violation
kvm: x86: vmx: remove MMIO_MAX_GEN
kvm: Documentation: remove ia64

Wanpeng Li (4):
kvm: x86: Add kvm_x86_ops hook that enables XSAVES for guest
kvm: x86: handle XSAVES vmcs and vmexit
kvm: vmx: add MSR logic for XSAVES
kvm: vmx: add nested virtualization support for xsaves

Wei Wang (1):
KVM: x86: reset RVI upon system reset

wanghaibin (1):
KVM: ARM: VGIC: Optimize the vGIC vgic_update_irq_pending function.

Documentation/ia64/kvm.txt | 83 --
Documentation/virtual/kvm/api.txt | 102 +-
Documentation/virtual/kvm/devices/vm.txt | 10 +-
Documentation/virtual/kvm/msr.txt | 2 +-
MAINTAINERS | 9 -
arch/arm/include/asm/kvm_emulate.h | 5 +
arch/arm/include/asm/kvm_host.h | 2 -
arch/arm/include/asm/kvm_mmu.h | 6 +-
arch/arm/kvm/arm.c | 78 +-
arch/arm/kvm/guest.c | 26 -
arch/arm/kvm/mmio.c | 15 +-
arch/arm/kvm/mmu.c | 99 +-
arch/arm/kvm/psci.c | 18 +
arch/arm64/include/asm/kvm_emulate.h | 5 +
arch/arm64/include/asm/kvm_host.h | 3 +-
arch/arm64/include/asm/kvm_mmu.h | 6 +-
arch/arm64/kvm/guest.c | 26 -
arch/ia64/Kconfig | 3 -
arch/ia64/Makefile | 1 -
arch/ia64/include/asm/kvm_host.h | 609 --------
arch/ia64/include/asm/pvclock-abi.h | 48 -
arch/ia64/include/uapi/asm/kvm.h | 268 ----
arch/ia64/kvm/Kconfig | 66 -
arch/ia64/kvm/Makefile | 67 -
arch/ia64/kvm/asm-offsets.c | 241 ----
arch/ia64/kvm/irq.h | 33 -
arch/ia64/kvm/kvm-ia64.c | 1942 --------------------------
arch/ia64/kvm/kvm_fw.c | 674 ---------
arch/ia64/kvm/kvm_lib.c | 21 -
arch/ia64/kvm/kvm_minstate.h | 266 ----
arch/ia64/kvm/lapic.h | 30 -
arch/ia64/kvm/memcpy.S | 1 -
arch/ia64/kvm/memset.S | 1 -
arch/ia64/kvm/misc.h | 94 --
arch/ia64/kvm/mmio.c | 336 -----
arch/ia64/kvm/optvfault.S | 1090 ---------------
arch/ia64/kvm/process.c | 1024 --------------
arch/ia64/kvm/trampoline.S | 1038 --------------
arch/ia64/kvm/vcpu.c | 2209 ------------------------------
arch/ia64/kvm/vcpu.h | 752 ----------
arch/ia64/kvm/vmm.c | 99 --
arch/ia64/kvm/vmm_ivt.S | 1392 -------------------
arch/ia64/kvm/vti.h | 290 ----
arch/ia64/kvm/vtlb.c | 640 ---------
arch/powerpc/include/asm/kvm_book3s.h | 2 -
arch/powerpc/include/asm/kvm_book3s_64.h | 3 +-
arch/powerpc/include/asm/kvm_host.h | 18 +-
arch/powerpc/include/asm/kvm_ppc.h | 2 -
arch/powerpc/kernel/asm-offsets.c | 2 +-
arch/powerpc/kvm/Kconfig | 1 +
arch/powerpc/kvm/book3s.c | 8 -
arch/powerpc/kvm/book3s_32_mmu.c | 5 -
arch/powerpc/kvm/book3s_64_mmu_hv.c | 224 +--
arch/powerpc/kvm/book3s_hv.c | 438 ++----
arch/powerpc/kvm/book3s_hv_builtin.c | 136 +-
arch/powerpc/kvm/book3s_hv_interrupts.S | 39 +-
arch/powerpc/kvm/book3s_hv_ras.c | 5 +-
arch/powerpc/kvm/book3s_hv_rm_mmu.c | 150 +-
arch/powerpc/kvm/book3s_hv_rm_xics.c | 36 +-
arch/powerpc/kvm/book3s_hv_rmhandlers.S | 251 +---
arch/powerpc/kvm/book3s_paired_singles.c | 8 -
arch/powerpc/kvm/book3s_pr.c | 5 -
arch/powerpc/kvm/book3s_xics.c | 30 +-
arch/powerpc/kvm/book3s_xics.h | 1 +
arch/powerpc/kvm/e500.c | 8 -
arch/powerpc/kvm/powerpc.c | 10 +-
arch/powerpc/kvm/trace_book3s.h | 32 +
arch/powerpc/kvm/trace_booke.h | 47 +-
arch/powerpc/kvm/trace_hv.h | 477 +++++++
arch/powerpc/kvm/trace_pr.h | 25 +-
arch/s390/include/asm/kvm_host.h | 99 +-
arch/s390/include/asm/pgalloc.h | 1 +
arch/s390/include/asm/sigp.h | 1 +
arch/s390/kvm/gaccess.c | 40 +-
arch/s390/kvm/intercept.c | 20 +-
arch/s390/kvm/interrupt.c | 1044 +++++++++-----
arch/s390/kvm/kvm-s390.c | 22 +-
arch/s390/kvm/kvm-s390.h | 11 +-
arch/s390/kvm/priv.c | 95 +-
arch/s390/kvm/sigp.c | 305 ++---
arch/s390/mm/pgtable.c | 41 +-
arch/x86/include/asm/kvm_host.h | 37 +-
arch/x86/include/asm/vmx.h | 3 +
arch/x86/include/asm/xsave.h | 1 +
arch/x86/include/uapi/asm/vmx.h | 6 +-
arch/x86/kernel/kvm.c | 9 +-
arch/x86/kernel/kvmclock.c | 20 +-
arch/x86/kernel/xsave.c | 1 +
arch/x86/kvm/Makefile | 7 +-
{virt => arch/x86}/kvm/assigned-dev.c | 30 +-
arch/x86/kvm/assigned-dev.h | 32 +
arch/x86/kvm/cpuid.c | 57 +-
arch/x86/kvm/emulate.c | 408 +++---
{virt => arch/x86}/kvm/ioapic.c | 12 -
{virt => arch/x86}/kvm/ioapic.h | 21 +-
{virt => arch/x86}/kvm/iommu.c | 11 +-
{virt => arch/x86}/kvm/irq_comm.c | 45 +-
arch/x86/kvm/lapic.c | 210 ++-
arch/x86/kvm/lapic.h | 14 +-
arch/x86/kvm/mmu.c | 13 +-
arch/x86/kvm/svm.c | 24 +-
arch/x86/kvm/trace.h | 37 +
arch/x86/kvm/vmx.c | 608 ++++----
arch/x86/kvm/x86.c | 226 ++-
arch/x86/kvm/x86.h | 3 +-
include/kvm/arm_arch_timer.h | 10 +-
include/kvm/arm_vgic.h | 12 +-
include/linux/kvm_host.h | 108 +-
include/linux/kvm_types.h | 27 -
include/uapi/linux/kvm.h | 11 -
virt/kvm/arm/arch_timer.c | 30 +-
virt/kvm/arm/vgic.c | 116 +-
virt/kvm/eventfd.c | 7 -
virt/kvm/kvm_main.c | 149 +-
114 files changed, 3569 insertions(+), 16108 deletions(-)
delete mode 100644 Documentation/ia64/kvm.txt
delete mode 100644 arch/ia64/include/asm/kvm_host.h
delete mode 100644 arch/ia64/include/asm/pvclock-abi.h
delete mode 100644 arch/ia64/include/uapi/asm/kvm.h
delete mode 100644 arch/ia64/kvm/Kconfig
delete mode 100644 arch/ia64/kvm/Makefile
delete mode 100644 arch/ia64/kvm/asm-offsets.c
delete mode 100644 arch/ia64/kvm/irq.h
delete mode 100644 arch/ia64/kvm/kvm-ia64.c
delete mode 100644 arch/ia64/kvm/kvm_fw.c
delete mode 100644 arch/ia64/kvm/kvm_lib.c
delete mode 100644 arch/ia64/kvm/kvm_minstate.h
delete mode 100644 arch/ia64/kvm/lapic.h
delete mode 100644 arch/ia64/kvm/memcpy.S
delete mode 100644 arch/ia64/kvm/memset.S
delete mode 100644 arch/ia64/kvm/misc.h
delete mode 100644 arch/ia64/kvm/mmio.c
delete mode 100644 arch/ia64/kvm/optvfault.S
delete mode 100644 arch/ia64/kvm/process.c
delete mode 100644 arch/ia64/kvm/trampoline.S
delete mode 100644 arch/ia64/kvm/vcpu.c
delete mode 100644 arch/ia64/kvm/vcpu.h
delete mode 100644 arch/ia64/kvm/vmm.c
delete mode 100644 arch/ia64/kvm/vmm_ivt.S
delete mode 100644 arch/ia64/kvm/vti.h
delete mode 100644 arch/ia64/kvm/vtlb.c
create mode 100644 arch/powerpc/kvm/trace_book3s.h
create mode 100644 arch/powerpc/kvm/trace_hv.h
rename {virt => arch/x86}/kvm/assigned-dev.c (97%)
create mode 100644 arch/x86/kvm/assigned-dev.h
rename {virt => arch/x86}/kvm/ioapic.c (98%)
rename {virt => arch/x86}/kvm/ioapic.h (89%)
rename {virt => arch/x86}/kvm/iommu.c (96%)
rename {virt => arch/x86}/kvm/irq_comm.c (89%)

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