[GIT PULL] KVM updates for the 3.9 merge window

From: Marcelo Tosatti
Date: Wed Feb 20 2013 - 20:18:40 EST


Please pull from

git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/kvm-3.9-1

to receive the KVM updates for the 3.9 merge window, including x86 real
mode emulation fixes, stronger memory slot interface restrictions,
mmu_lock spinlock hold time reduction, improved handling of large
page faults on shadow, initial APICv HW acceleration support,
s390 channel IO based virtio, amongst others.


Alex Williamson (13):
KVM: Restrict non-existing slot state transitions
KVM: Check userspace_addr when modifying a memory slot
KVM: Fix iommu map/unmap to handle memory slot moves
KVM: Minor memory slot optimization
KVM: struct kvm_memory_slot.user_alloc -> bool
KVM: struct kvm_memory_slot.flags -> u32
KVM: struct kvm_memory_slot.id -> short
KVM: Increase user memory slots on x86 to 125
kvm: Fix memory slot generation updates
kvm: Force IOMMU remapping on memory slot read-only flag changes
kvm: Obey read-only mappings in iommu

Alexander Graf (17):
KVM: PPC: Only WARN on invalid emulation
KVM: PPC: Book3S: PR: Enable alternative instruction for SC 1
KVM: PPC: BookE: Allow irq deliveries to inject requests
KVM: PPC: BookE: Emulate mfspr on EPR
KVM: PPC: BookE: Implement EPR exit
KVM: PPC: BookE: Add EPR ONE_REG sync
KVM: PPC: E500: Move write_stlbe higher
KVM: PPC: E500: Explicitly mark shadow maps invalid
KVM: PPC: E500: Propagate errors when shadow mapping
KVM: PPC: e500: Call kvmppc_mmu_map for initial mapping
KVM: PPC: E500: Split host and guest MMU parts
KVM: PPC: e500: Implement TLB1-in-TLB0 mapping
KVM: PPC: E500: Make clear_tlb_refs and clear_tlb1_bitmap static
KVM: PPC: E500: Remove kvmppc_e500_tlbil_all usage from guest TLB code
Merge commit 'origin/next' into kvm-ppc-next
KVM: PPC: BookE: Handle alignment interrupts
Merge commit 'origin/next' into kvm-ppc-next

Avi Kivity (16):
KVM: x86 emulator: framework for streamlining arithmetic opcodes
KVM: x86 emulator: Support for declaring single operand fastops
KVM: x86 emulator: introduce NoWrite flag
KVM: x86 emulator: mark CMP, CMPS, SCAS, TEST as NoWrite
KVM: x86 emulator: convert NOT, NEG to fastop
KVM: x86 emulator: add macros for defining 2-operand fastop emulation
KVM: x86 emulator: convert basic ALU ops to fastop
KVM: x86 emulator: Convert SHLD, SHRD to fastop
KVM: x86 emulator: convert shift/rotate instructions to fastop
KVM: x86 emulator: covert SETCC to fastop
KVM: x86 emulator: convert INC/DEC to fastop
KVM: x86 emulator: convert BT/BTS/BTR/BTC/BSF/BSR to fastop
KVM: x86 emulator: convert 2-operand IMUL to fastop
KVM: x86 emulator: rearrange fastop definitions
KVM: x86 emulator: convert a few freestanding emulations to fastop
KVM: x86 emulator: fix test_cc() build failure on i386

Bharat Bhushan (3):
KVM: PPC: booke: use vcpu reference from thread_struct
KVM: PPC: booke: Allow multiple exception types
booke: Added DBCR4 SPR number

Christian Borntraeger (3):
KVM: s390: Gracefully handle busy conditions on ccw_device_start
s390/kvm: Fix store status for ACRS/FPRS
s390/kvm: Fix instruction decoding

Cong Ding (1):
KVM: s390: kvm/sigp.c: fix memory leakage

Cornelia Huck (14):
KVM: s390: Handle hosts not supporting s390-virtio.
s390/ccwdev: Include asm/schid.h.
KVM: s390: Add a channel I/O based virtio transport driver.
KVM: s390: Constify intercept handler tables.
KVM: s390: Decoding helper functions.
KVM: s390: Support for I/O interrupts.
KVM: s390: Add support for machine checks.
KVM: s390: In-kernel handling of I/O instructions.
KVM: s390: Base infrastructure for enabling capabilities.
KVM: s390: Add support for channel I/O instructions.
KVM: s390: Dynamic allocation of virtio-ccw I/O data.
KVM: trace: Fix exit decoding.
s390/virtio-ccw: Fix setup_vq error handling.
KVM: s390: Fix handling of iscs.

Dongxiao Xu (1):
KVM: VMX: disable SMEP feature when guest is in non-paging mode

Geoff Levand (1):
KVM: Remove duplicate text in api.txt

Gleb Natapov (39):
KVM: emulator: implement AAD instruction
KVM: inject ExtINT interrupt before APIC interrupts
KVM: remove unused variable.
KVM: VMX: cleanup rmode_segment_valid()
KVM: VMX: relax check for CS register in rmode_segment_valid()
KVM: VMX: return correct segment limit and flags for CS/SS registers in real mode
KVM: VMX: use fix_rmode_seg() to fix all code/data segments
KVM: VMX: remove redundant code from vmx_set_segment()
KVM: VMX: clean-up vmx_set_segment()
KVM: VMX: remove unneeded temporary variable from vmx_set_segment()
KVM: move the code that installs new slots array to a separate function.
KVM: emulator: drop RPL check from linearize() function
KVM: emulator: implement fninit, fnstsw, fnstcw
KVM: VMX: make rmode_segment_valid() more strict.
KVM: VMX: fix emulation of invalid guest state.
KVM: VMX: Do not fix segment register during vcpu initialization.
KVM: VMX: handle IO when emulation is due to #GP in real mode.
KVM: mmu: remove unused trace event
KVM: MMU: simplify folding of dirty bit into accessed_dirty
KVM: x86: remove unused variable from walk_addr_generic()
Merge branch 'kvm-ppc-next' of https://github.com/agraf/linux-2.6 into queue
KVM: VMX: remove special CPL cache access during transition to real mode.
KVM: VMX: reset CPL only on CS register write.
KVM: VMX: if unrestricted guest is enabled vcpu state is always valid.
KVM: VMX: remove hack that disables emulation on vcpu reset/init
KVM: VMX: skip vmx->rmode.vm86_active check on cr0 write if unrestricted guest is enabled
KVM: VMX: don't clobber segment AR of unusable segments.
KVM: VMX: rename fix_pmode_dataseg to fix_pmode_seg.
KVM: x86: fix use of uninitialized memory as segment descriptor in emulator.
KVM: VMX: set vmx->emulation_required only when needed.
KVM: MMU: make spte_is_locklessly_modifiable() more clear
KVM: MMU: drop unneeded checks.
KVM: MMU: set base_role.nxe during mmu initialization.
KVM: MMU: drop superfluous min() call.
KVM: MMU: drop superfluous is_present_gpte() check.
Revert "KVM: MMU: split kvm_mmu_free_page"
KVM: VMX: add missing exit names to VMX_EXIT_REASONS array
KVM: VMX: cleanup vmx_set_cr0().
x86 emulator: fix parity calculation for AAD instruction

Jan Kiszka (1):
KVM: nVMX: Remove redundant get_vmcs12 from nested_vmx_exit_handled_msr

Jesse Larrew (1):
x86: kvm_para: fix typo in hypercall comments

Marcelo Tosatti (3):
KVM: VMX: fix incorrect cached cpl value with real/v8086 modes
x86: pvclock kvm: align allocation size to page size
Revert "KVM: MMU: lazily drop large spte"

Mihai Caraman (2):
KVM: PPC: Fix SREGS documentation reference
KVM: PPC: Fix mfspr/mtspr MMUCFG emulation

Nadav Amit (1):
KVM: x86: fix mov immediate emulation for 64-bit operands

Nickolai Zeldovich (1):
kvm: fix i8254 counter 0 wraparound

Peter Zijlstra (1):
sched: Bail out of yield_to when source and target runqueue has one task

Raghavendra K T (1):
kvm: Handle yield_to failure return code for potential undercommit case

Takuya Yoshikawa (13):
KVM: Write protect the updated slot only when dirty logging is enabled
KVM: MMU: Remove unused parameter level from __rmap_write_protect()
KVM: MMU: Make kvm_mmu_slot_remove_write_access() rmap based
KVM: Remove unused slot_bitmap from kvm_mmu_page
KVM: Make kvm_mmu_change_mmu_pages() take mmu_lock by itself
KVM: Make kvm_mmu_slot_remove_write_access() take mmu_lock by itself
KVM: MMU: Conditionally reschedule when kvm_mmu_slot_remove_write_access() takes a long time
KVM: set_memory_region: Don't jump to out_free unnecessarily
KVM: set_memory_region: Don't check for overlaps unless we create or move a slot
KVM: set_memory_region: Remove unnecessary variable memslot
KVM: set_memory_region: Identify the requested change explicitly
KVM: set_memory_region: Disallow changing read-only attribute later
KVM: Remove user_alloc from struct kvm_memory_slot

Xiao Guangrong (9):
KVM: MMU: fix Dirty bit missed if CR0.WP = 0
KVM: MMU: fix infinite fault access retry
KVM: x86: clean up reexecute_instruction
KVM: x86: let reexecute_instruction work for tdp
KVM: x86: improve reexecute_instruction
KVM: MMU: lazily drop large spte
KVM: MMU: cleanup mapping-level
KVM: MMU: remove pt_access in mmu_set_spte
KVM: MMU: cleanup __direct_map

Yang Zhang (5):
KVM: remove a wrong hack of delivery PIT intr to vcpu0
x86, apicv: add APICv register virtualization support
x86, apicv: add virtual x2apic support
x86, apicv: add virtual interrupt delivery support
KVM: VMX: disable apicv by default

Documentation/virtual/kvm/api.txt | 108 +-
Documentation/virtual/kvm/mmu.txt | 7
arch/ia64/include/asm/kvm_host.h | 4
arch/ia64/kvm/kvm-ia64.c | 8
arch/ia64/kvm/lapic.h | 6
arch/powerpc/include/asm/kvm_host.h | 10
arch/powerpc/include/asm/kvm_ppc.h | 12
arch/powerpc/include/asm/reg.h | 2
arch/powerpc/include/asm/reg_booke.h | 1
arch/powerpc/include/uapi/asm/kvm.h | 6
arch/powerpc/kernel/asm-offsets.c | 2
arch/powerpc/kvm/Makefile | 9
arch/powerpc/kvm/book3s_emulate.c | 30
arch/powerpc/kvm/book3s_hv.c | 2
arch/powerpc/kvm/book3s_pr.c | 5
arch/powerpc/kvm/booke.c | 70 +
arch/powerpc/kvm/booke.h | 1
arch/powerpc/kvm/booke_emulate.c | 3
arch/powerpc/kvm/booke_interrupts.S | 49 -
arch/powerpc/kvm/e500.c | 16
arch/powerpc/kvm/e500.h | 1
arch/powerpc/kvm/e500_mmu.c | 825 ++++++++++++++++++
arch/powerpc/kvm/e500_mmu_host.c | 741 +++++++++++++++-
arch/powerpc/kvm/e500_mmu_host.h | 22
arch/powerpc/kvm/e500_tlb.c | 1578 +----------------------------------
arch/powerpc/kvm/emulate.c | 5
arch/powerpc/kvm/powerpc.c | 17
arch/s390/include/asm/ccwdev.h | 4
arch/s390/include/asm/irq.h | 1
arch/s390/include/asm/kvm_host.h | 15
arch/s390/kernel/irq.c | 1
arch/s390/kvm/intercept.c | 45
arch/s390/kvm/interrupt.c | 270 +++++
arch/s390/kvm/kvm-s390.c | 50 +
arch/s390/kvm/kvm-s390.h | 68 +
arch/s390/kvm/priv.c | 328 ++++++-
arch/s390/kvm/sigp.c | 10
arch/s390/kvm/trace-s390.h | 26
arch/x86/include/asm/kvm_host.h | 28
arch/x86/include/asm/kvm_para.h | 2
arch/x86/include/asm/vmx.h | 27
arch/x86/kernel/kvmclock.c | 11
arch/x86/kvm/emulate.c | 769 +++++++++--------
arch/x86/kvm/i8254.c | 1
arch/x86/kvm/i8259.c | 2
arch/x86/kvm/irq.c | 86 +
arch/x86/kvm/lapic.c | 140 ++-
arch/x86/kvm/lapic.h | 34
arch/x86/kvm/mmu.c | 226 ++---
arch/x86/kvm/mmutrace.h | 6
arch/x86/kvm/paging_tmpl.h | 122 +-
arch/x86/kvm/svm.c | 24
arch/x86/kvm/vmx.c | 772 +++++++++++------
arch/x86/kvm/x86.c | 194 ++--
drivers/s390/kvm/Makefile | 2
drivers/s390/kvm/kvm_virtio.c | 38
drivers/s390/kvm/virtio_ccw.c | 1166 +++++++++++++++++++++++--
include/linux/kvm_host.h | 32
include/trace/events/kvm.h | 4
include/uapi/linux/kvm.h | 27
kernel/sched/core.c | 25
virt/kvm/ioapic.c | 48 -
virt/kvm/ioapic.h | 4
virt/kvm/iommu.c | 4
virt/kvm/irq_comm.c | 25
virt/kvm/kvm_main.c | 301 ++++--
66 files changed, 5582 insertions(+), 2896 deletions(-)
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