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    Subject[GIT PULL] KVM updates for 2.6.26rc
    Date
    Linus, please pull the kvm updates for 2.6.26 from the repo and branch

    git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm.git kvm-updates-2.6.26

    The changes include new host architectures (s390, ia64, and ppc 44x),
    paravirtualized kernel support, support for the new AMD NPT and Intel VPID
    hardware virtualization extensions, large host page support, scalability
    improvements, a PIT model, a performance tracing system (kvmtrace), as well
    as the usual guest support improvement and minor speedups.

    Note that a few changes to s390 and ppc arch code are included; these have
    been acked by the respective maintainers.

    Al Viro (1):
    KVM: kill file->f_count abuse in kvm

    Alexander Graf (1):
    KVM: Implement dummy values for MSR_PERF_STATUS

    Amit Shah (1):
    KVM: Add stat counter for hypercalls

    Andrea Arcangeli (1):
    KVM: Disable pagefaults during copy_from_user_inatomic()

    Anthony Liguori (1):
    KVM: MMU: Don't assume struct page for x86

    Avi Kivity (33):
    KVM: x86 emulator: add support for group decoding
    KVM: x86 emulator: group decoding for group 1A
    KVM: x86 emulator: Group decoding for group 3
    KVM: x86 emulator: Group decoding for groups 4 and 5
    KVM: x86 emulator: add group 7 decoding
    KVM: Only x86 has pio
    KVM: x86 emulator: group decoding for group 1 instructions
    KVM: MMU: Decouple mmio from shadow page tables
    KVM: Limit vcpu mmap size to one page on non-x86
    KVM: Add API to retrieve the number of supported vcpus per vm
    KVM: Increase vcpu count to 16
    KVM: Add API for determining the number of supported memory slots
    KVM: Increase the number of user memory slots per vm
    KVM: Use x86's segment descriptor struct instead of private definition
    KVM: Prefix control register accessors with kvm_ to avoid namespace pollution
    KVM: VMX: Don't adjust tsc offset forward
    KVM: Remove pointless desc_ptr #ifdef
    KVM: Provide unlocked version of emulator_write_phys()
    KVM: MMU: Set the accessed bit on non-speculative shadow ptes
    KVM: Move some x86 specific constants and structures to include/asm-x86
    KVM: MMU: Introduce and use spte_to_page()
    KVM: no longer EXPERIMENTAL
    KVM: VMX: Add module option to disable flexpriority
    KVM: Free apic access page on vm destruction
    KVM: MMU: Only mark_page_accessed() if the page was accessed by the guest
    KVM: Register ioctl range
    KVM: s390: Stub out kvmtrace
    KVM: ia64: Stub out kvmtrace
    KVM: Rename VCPU_MP_STATE_* to KVM_MP_STATE_*
    KVM: SVM: force a new asid when initializing the vmcb
    KVM: x86 emulator: initialize src.val and dst.val for register operands
    KVM: x86 emulator: fix smsw and lmsw with a memory operand
    KVM: x86 emulator: fix lea to really get the effective address

    Carsten Otte (4):
    s390: KVM preparation: provide hook to enable pgstes in user pagetable
    KVM: s390: interrupt subsystem, cpu timer, waitpsw
    KVM: s390: API documentation
    s390: KVM guest: detect when running on kvm

    Christian Borntraeger (10):
    KVM: kvm.h: __user requires compiler.h
    s390: KVM preparation: host memory management changes for s390 kvm
    s390: KVM preparation: address of the 64bit extint parm in lowcore
    KVM: s390: sie intercept handling
    KVM: s390: intercepts for privileged instructions
    KVM: s390: interprocessor communication via sigp
    KVM: s390: intercepts for diagnose instructions
    KVM: s390: add kvm to kconfig on s390
    KVM: s390: update maintainers
    s390: KVM guest: virtio device support, and kvm hypercalls

    Dong, Eddie (2):
    KVM: MMU: Update shadow ptes on partial guest pte writes
    KVM: MMU: Simplify hash table indexing

    Feng (Eric) Liu (1):
    KVM: Add trace markers

    Feng(Eric) Liu (1):
    KVM: Add kvm trace userspace interface

    Glauber Costa (3):
    x86: allow machine_crash_shutdown to be replaced
    x86: make native_machine_shutdown non-static
    x86: KVM guest: disable clock before rebooting.

    Glauber de Oliveira Costa (2):
    KVM: paravirtualized clocksource: host part
    x86: KVM guest: paravirtualized clocksource

    Harvey Harrison (7):
    KVM: x86 emulator: add ad_mask static inline
    KVM: x86 emulator: make register_address, address_mask static inlines
    KVM: x86 emulator: make register_address_increment and JMP_REL static inlines
    KVM: x86 emulator: fix sparse warnings in x86_emulate.c
    KVM: SVM: make iopm_base static
    KVM: sparse fixes for kvm/x86.c
    KVM: replace remaining __FUNCTION__ occurances

    Heiko Carstens (4):
    KVM: s390: arch backend for the kvm kernel module
    KVM: s390: Fix incorrect return value
    KVM: s390: rename stfl to kvm_stfl
    KVM: s390: Improve pgste accesses

    Hollis Blanchard (6):
    KVM: Use CONFIG_PREEMPT_NOTIFIERS around struct preempt_notifier
    KVM: Rename debugfs_dir to kvm_debugfs_dir
    ppc: Export tlb_44x_hwater for KVM
    KVM: ppc: Add DCR access information to struct kvm_run
    KVM: Add MAINTAINERS entry for PowerPC KVM
    KVM: ppc: PowerPC 440 KVM implementation

    Izik Eidus (5):
    KVM: MMU: fix dirty bit setting when removing write permissions
    KVM: x86: add functions to get the cpl of vcpu
    KVM: x86: hardware task switching support
    KVM: MMU: allow the vm to shrink the kvm mmu shadow caches
    KVM: add vm refcounting

    Jan Engelhardt (1):
    KVM: constify function pointer tables

    Joerg Roedel (27):
    KVM: make EFER_RESERVED_BITS configurable for architecture code
    KVM: align valid EFER bits with the features of the host system
    KVM: VMX: unifdef the EFER specific code
    KVM: allow access to EFER in 32bit KVM
    KVM: SVM: move feature detection to hardware setup code
    KVM: SVM: add detection of Nested Paging feature
    KVM: SVM: add module parameter to disable Nested Paging
    KVM: export information about NPT to generic x86 code
    KVM: MMU: make the __nonpaging_map function generic
    KVM: export the load_pdptrs() function to modules
    KVM: MMU: add TDP support to the KVM MMU
    KVM: SVM: add support for Nested Paging
    KVM: SVM: let init_vmcb() take struct vcpu_svm as parameter
    KVM: SVM: allocate the MSR permission map per VCPU
    KVM: SVM: enable LBR virtualization
    KVM: detect if VCPU triple faults
    KVM: function declaration parameter name cleanup
    KVM: SVM: indent svm_set_cr4 with tabs instead of spaces
    KVM: SVM: align shadow CR4.MCE with host
    KVM: SVM: add intercept for machine check exception
    KVM: SVM: do not intercept task switch with NPT
    KVM: SVM: sync TPR value to V_TPR field in the VMCB
    KVM: export kvm_lapic_set_tpr() to modules
    KVM: SVM: sync V_TPR with LAPIC.TPR if CR8 write intercept is disabled
    KVM: SVM: disable CR8 intercept when tpr is not masking interrupts
    KVM: SVM: remove now obsolete FIXME comment
    KVM: SVM: remove selective CR0 comment

    Marcelo Tosatti (13):
    KVM: MMU: ignore zapped root pagetables
    KVM: MMU: large page support
    KVM: add basic paravirt support
    x86: KVM guest: add basic paravirt support
    KVM: MMU: hypercall based pte updates and TLB flushes
    x86: KVM guest: hypercall based pte updates and TLB flushes
    x86: KVM guest: hypercall batching
    KVM: MMU: unify slots_lock usage
    KVM: MMU: prepopulate guest pages after write-protecting
    KVM: hlt emulation should take in-kernel APIC/PIT timers into account
    KVM: add ioctls to save/store mpstate
    KVM: fix kvm_vcpu_kick vs __vcpu_run race
    KVM: MMU: kvm_pv_mmu_op should not take mmap_sem

    Ryan Harper (1):
    KVM: VMX: fix typo in VMX header define

    Sheng Yang (5):
    KVM: VMX: Enable Virtual Processor Identification (VPID)
    KVM: In kernel PIT model
    KVM: Add save/restore supporting of in kernel PIT
    KVM: Add reset support for in kernel PIT
    KVM: VMX: Enable MSR Bitmap feature

    Xiantao Zhang (17):
    KVM: Use kzalloc to avoid allocating kvm_regs from kernel stack
    KVM: ia64: Prepare some structure and routines for kvm use
    KVM: ia64: Add header files for kvm/ia64
    KVM: ia64: Add kvm arch-specific core code for kvm/ia64
    KVM: ia64: Add header files for kvm/ia64
    KVM: ia64: VMM module interfaces
    KVM: ia64: Add TLB virtulization support
    KVM: ia64: Add interruption vector table for vmm
    KVM: ia64: Add mmio decoder for kvm/ia64
    KVM: ia64: Add trampoline for guest/host mode switch
    KVM: ia64: Add processor virtulization support
    KVM: ia64: Add optimization for some virtulization faults
    KVM: ia64: Generate offset values for assembly code use
    KVM: ia64: Add guest interruption injection support
    KVM: ia64: Add kvm sal/pal virtulization support
    KVM: ia64: Enable kvm build for ia64
    KVM: ia64: Add a guide about how to create kvm guests on ia64

    Documentation/ia64/kvm.txt | 82 ++
    Documentation/ioctl-number.txt | 2 +
    Documentation/powerpc/kvm_440.txt | 41 +
    Documentation/s390/kvm.txt | 125 ++
    MAINTAINERS | 17 +
    arch/ia64/Kconfig | 3 +
    arch/ia64/Makefile | 1 +
    arch/ia64/kvm/Kconfig | 49 +
    arch/ia64/kvm/Makefile | 61 +
    arch/ia64/kvm/asm-offsets.c | 251 ++++
    arch/ia64/kvm/kvm-ia64.c | 1806 +++++++++++++++++++++++++++++
    arch/ia64/kvm/kvm_fw.c | 500 ++++++++
    arch/ia64/kvm/kvm_minstate.h | 273 +++++
    arch/ia64/kvm/lapic.h | 25 +
    arch/ia64/kvm/misc.h | 93 ++
    arch/ia64/kvm/mmio.c | 341 ++++++
    arch/ia64/kvm/optvfault.S | 918 +++++++++++++++
    arch/ia64/kvm/process.c | 970 ++++++++++++++++
    arch/ia64/kvm/trampoline.S | 1038 +++++++++++++++++
    arch/ia64/kvm/vcpu.c | 2163 +++++++++++++++++++++++++++++++++++
    arch/ia64/kvm/vcpu.h | 740 ++++++++++++
    arch/ia64/kvm/vmm.c | 66 ++
    arch/ia64/kvm/vmm_ivt.S | 1424 +++++++++++++++++++++++
    arch/ia64/kvm/vti.h | 290 +++++
    arch/ia64/kvm/vtlb.c | 636 ++++++++++
    arch/powerpc/Kconfig | 1 +
    arch/powerpc/Kconfig.debug | 3 +
    arch/powerpc/Makefile | 1 +
    arch/powerpc/kernel/asm-offsets.c | 28 +
    arch/powerpc/kvm/44x_tlb.c | 224 ++++
    arch/powerpc/kvm/44x_tlb.h | 91 ++
    arch/powerpc/kvm/Kconfig | 42 +
    arch/powerpc/kvm/Makefile | 15 +
    arch/powerpc/kvm/booke_guest.c | 615 ++++++++++
    arch/powerpc/kvm/booke_host.c | 83 ++
    arch/powerpc/kvm/booke_interrupts.S | 436 +++++++
    arch/powerpc/kvm/emulate.c | 760 ++++++++++++
    arch/powerpc/kvm/powerpc.c | 436 +++++++
    arch/s390/Kconfig | 14 +
    arch/s390/Makefile | 2 +-
    arch/s390/kernel/early.c | 4 +
    arch/s390/kernel/setup.c | 14 +-
    arch/s390/kernel/vtime.c | 1 +
    arch/s390/kvm/Kconfig | 46 +
    arch/s390/kvm/Makefile | 14 +
    arch/s390/kvm/diag.c | 67 ++
    arch/s390/kvm/gaccess.h | 274 +++++
    arch/s390/kvm/intercept.c | 216 ++++
    arch/s390/kvm/interrupt.c | 592 ++++++++++
    arch/s390/kvm/kvm-s390.c | 685 +++++++++++
    arch/s390/kvm/kvm-s390.h | 64 +
    arch/s390/kvm/priv.c | 323 ++++++
    arch/s390/kvm/sie64a.S | 47 +
    arch/s390/kvm/sigp.c | 288 +++++
    arch/s390/mm/pgtable.c | 65 +-
    arch/x86/Kconfig | 19 +
    arch/x86/kernel/Makefile | 2 +
    arch/x86/kernel/crash.c | 3 +-
    arch/x86/kernel/kvm.c | 248 ++++
    arch/x86/kernel/kvmclock.c | 187 +++
    arch/x86/kernel/reboot.c | 13 +-
    arch/x86/kernel/setup_32.c | 6 +
    arch/x86/kernel/setup_64.c | 7 +
    arch/x86/kvm/Kconfig | 13 +-
    arch/x86/kvm/Makefile | 6 +-
    arch/x86/kvm/i8254.c | 611 ++++++++++
    arch/x86/kvm/i8254.h | 63 +
    arch/x86/kvm/irq.c | 18 +
    arch/x86/kvm/irq.h | 3 +
    arch/x86/kvm/kvm_svm.h | 2 +
    arch/x86/kvm/lapic.c | 35 +-
    arch/x86/kvm/mmu.c | 672 +++++++++--
    arch/x86/kvm/mmu.h | 6 +
    arch/x86/kvm/paging_tmpl.h | 86 +-
    arch/x86/kvm/segment_descriptor.h | 29 -
    arch/x86/kvm/svm.c | 352 +++++--
    arch/x86/kvm/svm.h | 3 +
    arch/x86/kvm/tss.h | 59 +
    arch/x86/kvm/vmx.c | 278 ++++-
    arch/x86/kvm/vmx.h | 10 +-
    arch/x86/kvm/x86.c | 897 +++++++++++++--
    arch/x86/kvm/x86_emulate.c | 285 +++--
    drivers/s390/Makefile | 2 +-
    drivers/s390/kvm/Makefile | 9 +
    drivers/s390/kvm/kvm_virtio.c | 338 ++++++
    include/asm-ia64/gcc_intrin.h | 12 +
    include/asm-ia64/kvm.h | 205 ++++-
    include/asm-ia64/kvm_host.h | 524 +++++++++
    include/asm-ia64/kvm_para.h | 29 +
    include/asm-ia64/processor.h | 63 +
    include/asm-powerpc/kvm.h | 53 +-
    include/asm-powerpc/kvm_asm.h | 55 +
    include/asm-powerpc/kvm_host.h | 152 +++
    include/asm-powerpc/kvm_para.h | 37 +
    include/asm-powerpc/kvm_ppc.h | 88 ++
    include/asm-powerpc/mmu-44x.h | 2 +
    include/asm-s390/Kbuild | 1 +
    include/asm-s390/kvm.h | 41 +-
    include/asm-s390/kvm_host.h | 234 ++++
    include/asm-s390/kvm_para.h | 150 +++
    include/asm-s390/kvm_virtio.h | 53 +
    include/asm-s390/lowcore.h | 15 +-
    include/asm-s390/mmu.h | 1 +
    include/asm-s390/mmu_context.h | 8 +-
    include/asm-s390/pgtable.h | 93 ++-
    include/asm-s390/setup.h | 1 +
    include/asm-x86/kvm.h | 41 +
    include/asm-x86/kvm_host.h | 99 ++-
    include/asm-x86/kvm_para.h | 55 +
    include/asm-x86/reboot.h | 2 +
    include/linux/kvm.h | 130 +++-
    include/linux/kvm_host.h | 59 +-
    include/linux/kvm_para.h | 11 +-
    include/linux/kvm_types.h | 2 +
    include/linux/sched.h | 2 +
    kernel/fork.c | 2 +-
    mm/rmap.c | 7 +-
    virt/kvm/kvm_main.c | 230 ++++-
    virt/kvm/kvm_trace.c | 276 +++++
    119 files changed, 23723 insertions(+), 638 deletions(-)
    create mode 100644 Documentation/ia64/kvm.txt
    create mode 100644 Documentation/powerpc/kvm_440.txt
    create mode 100644 Documentation/s390/kvm.txt
    create mode 100644 arch/ia64/kvm/Kconfig
    create mode 100644 arch/ia64/kvm/Makefile
    create mode 100644 arch/ia64/kvm/asm-offsets.c
    create mode 100644 arch/ia64/kvm/kvm-ia64.c
    create mode 100644 arch/ia64/kvm/kvm_fw.c
    create mode 100644 arch/ia64/kvm/kvm_minstate.h
    create mode 100644 arch/ia64/kvm/lapic.h
    create mode 100644 arch/ia64/kvm/misc.h
    create mode 100644 arch/ia64/kvm/mmio.c
    create mode 100644 arch/ia64/kvm/optvfault.S
    create mode 100644 arch/ia64/kvm/process.c
    create mode 100644 arch/ia64/kvm/trampoline.S
    create mode 100644 arch/ia64/kvm/vcpu.c
    create mode 100644 arch/ia64/kvm/vcpu.h
    create mode 100644 arch/ia64/kvm/vmm.c
    create mode 100644 arch/ia64/kvm/vmm_ivt.S
    create mode 100644 arch/ia64/kvm/vti.h
    create mode 100644 arch/ia64/kvm/vtlb.c
    create mode 100644 arch/powerpc/kvm/44x_tlb.c
    create mode 100644 arch/powerpc/kvm/44x_tlb.h
    create mode 100644 arch/powerpc/kvm/Kconfig
    create mode 100644 arch/powerpc/kvm/Makefile
    create mode 100644 arch/powerpc/kvm/booke_guest.c
    create mode 100644 arch/powerpc/kvm/booke_host.c
    create mode 100644 arch/powerpc/kvm/booke_interrupts.S
    create mode 100644 arch/powerpc/kvm/emulate.c
    create mode 100644 arch/powerpc/kvm/powerpc.c
    create mode 100644 arch/s390/kvm/Kconfig
    create mode 100644 arch/s390/kvm/Makefile
    create mode 100644 arch/s390/kvm/diag.c
    create mode 100644 arch/s390/kvm/gaccess.h
    create mode 100644 arch/s390/kvm/intercept.c
    create mode 100644 arch/s390/kvm/interrupt.c
    create mode 100644 arch/s390/kvm/kvm-s390.c
    create mode 100644 arch/s390/kvm/kvm-s390.h
    create mode 100644 arch/s390/kvm/priv.c
    create mode 100644 arch/s390/kvm/sie64a.S
    create mode 100644 arch/s390/kvm/sigp.c
    create mode 100644 arch/x86/kernel/kvm.c
    create mode 100644 arch/x86/kernel/kvmclock.c
    create mode 100644 arch/x86/kvm/i8254.c
    create mode 100644 arch/x86/kvm/i8254.h
    delete mode 100644 arch/x86/kvm/segment_descriptor.h
    create mode 100644 arch/x86/kvm/tss.h
    create mode 100644 drivers/s390/kvm/Makefile
    create mode 100644 drivers/s390/kvm/kvm_virtio.c
    create mode 100644 include/asm-ia64/kvm_host.h
    create mode 100644 include/asm-ia64/kvm_para.h
    create mode 100644 include/asm-powerpc/kvm_asm.h
    create mode 100644 include/asm-powerpc/kvm_host.h
    create mode 100644 include/asm-powerpc/kvm_para.h
    create mode 100644 include/asm-powerpc/kvm_ppc.h
    create mode 100644 include/asm-s390/kvm_host.h
    create mode 100644 include/asm-s390/kvm_para.h
    create mode 100644 include/asm-s390/kvm_virtio.h
    create mode 100644 virt/kvm/kvm_trace.c


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