Linus, please pull from
git://git.kernel.org/pub/scm/virt/kvm/kvm.git kvm-updates/2.6.38
to receive the KVM updates for the 2.6.38 merge window. Major features
include
- asynchronous page faults, which allow a guest to continue processing
interrupts even when its memory is being paged in; in the case of a
Linux 2.6.38+ guest, it will receive a notification that the host is
servicing a page fault, and may switch into another guest process
- AMD Bulldozer virtualization extensions: instruction decode assist,
clean bits, xsave/avx, flush-by-asid
as well as other minor enhancements and fixes.
Alexander Graf (1):
KVM: PPC: Fix compile warning
Andi Kleen (1):
KVM: Move KVM context switch into own function
Andre Przywara (8):
KVM: x86: fix CR8 handling
KVM: move complete_insn_gp() into x86.c
KVM: cleanup emulate_instruction
KVM: SVM: add new SVM feature bit names
KVM: SVM: enhance MOV CR intercept handler
KVM: SVM: enhance mov DR intercept handler
KVM: SVM: implement enhanced INVLPG intercept
KVM: SVM: copy instruction bytes from VMCB
Anthony Liguori (1):
KVM: VMX: add module parameter to avoid trapping HLT instructions
(v5)
Avi Kivity (36):
KVM: Don't reset mmu context unnecessarily when updating EFER
KVM: SVM: Move guest register save out of interrupts disabled section
KVM: SVM: Move svm->host_gs_base into a separate structure
KVM: SVM: Move fs/gs/ldt save/restore to heavyweight exit path
KVM: SVM: Fold save_host_msrs() and load_host_msrs() into their
callers
KVM: Avoid double interrupt injection with vapic
KVM: VMX: Disallow NMI while blocked by STI
KVM: SVM: Replace svm_has() by standard Linux cpuid accessors
KVM: Mask KVM_GET_SUPPORTED_CPUID data with Linux cpuid info
KVM: x86 emulator: drop unused #ifndef __KERNEL__
KVM: x86 emulator: drop DPRINTF()
KVM: x86 emulator: preserve an operand's segment identity
KVM: x86 emulator: do not perform address calculations on linear
addresses
KVM: VMX: Fold __vmx_vcpu_run() into vmx_vcpu_run()
KVM: Record instruction set in kvm_exit tracepoint
KVM: Add instruction-set-specific exit qualifications to kvm_exit
trace
KVM: x86 emulator: introduce struct x86_exception to communicate
faults
KVM: x86 emulator: make emulator memory callbacks return full
exception
KVM: x86 emulator: drop dead pf injection in emulate_popf()
KVM: x86 emulator: tighen up ->read_std() and ->write_std() error
checks
KVM: x86 emulator: simplify exception generation
KVM: Push struct x86_exception info the various gva_to_gpa variants
KVM: Push struct x86_exception into walk_addr()
KVM: Pull extra page fault information into struct x86_exception
KVM: Don't spin on virt instruction faults during reboot
KVM: VMX: Return 0 from a failed VMREAD
KVM: Fix build error on s390 due to missing tlbs_dirty
KVM: MMU: Fix incorrect direct page write protection due to ro
host page
KVM: Correct kvm_pio tracepoint count field
KVM guest: Fix kvm clock initialization when it's configured out
KVM: VMX: Add definitions for more vm entry/exit control bits
KVM: VMX: Optimize atomic EFER load
KVM: MMU: Initialize base_role for tdp mmus
KVM: VMX: Correct asm constraint in vmcs_load()/vmcs_clear()
KVM: Replace reads of vcpu->arch.cr3 by an accessor
KVM: Fetch guest cr3 from hardware on demand
Gleb Natapov (16):
Add get_user_pages() variant that fails if major fault is required.
KVM: Halt vcpu if page it tries to access is swapped out.
KVM: Retry fault before vmentry
KVM: Add memory slot versioning and use it to provide fast guest
write interface
KVM paravirt: Move kvm_smp_prepare_boot_cpu() from kvmclock.c to
kvm.c.
KVM: Add PV MSR to enable asynchronous page faults delivery.
KVM paravirt: Add async PF initialization to PV guest.
KVM: Handle async PF in a guest.
KVM: Inject asynchronous page fault into a PV guest if page is
swapped out.
KVM paravirt: Handle async PF in non preemptable context
KVM: Let host know whether the guest can handle async PF in
non-userspace context.
KVM: Send async PF when guest is not in userspace too.
KVM: improve hva_to_pfn() readability
KVM: x86: trace "exit to userspace" event
KVM: handle exit due to INVD in VMX
KVM: VMX: when entering real mode align segment base to 16 bytes
Heiko Carstens (2):
KVM: add cast within kvm_clear_guest_page to fix warning
KVM: get rid of warning within kvm_dev_ioctl_create_vm
Jan Kiszka (11):
KVM: x86: Mark kvm_arch_setup_async_pf static
KVM: x86: Add missing inline tag to kvm_read_and_reset_pf_reason
KVM: x86: Avoid issuing wbinvd twice
KVM: Refactor srcu struct release on early errors
KVM: Clean up vm creation and release
KVM: Clear assigned guest IRQ on release
KVM: Switch assigned device IRQ forwarding to threaded handler
KVM: Refactor IRQ names of assigned devices
KVM: Save/restore state of assigned PCI device
KVM: Clean up kvm_vm_ioctl_assigned_device
KVM: Document device assigment API
Joerg Roedel (23):
KVM: X86: Introduce generic guest-mode representation
KVM: SVM: Make Use of the generic guest-mode functions
KVM: X86: Don't report L2 emulation failures to user-space
KVM: SVM: Add function to recalculate intercept masks
KVM: SVM: Add manipulation functions for DRx intercepts
KVM: SVM: Add manipulation functions for exception intercepts
KVM: SVM: Add manipulation functions for misc intercepts
KVM: SVM: Use get_host_vmcb function in svm_get_msr for TSC
KVM: SVM: Add clean-bit for intercetps, tsc-offset and pause
filter count
KVM: SVM: Add clean-bit for IOPM_BASE and MSRPM_BASE
KVM: SVM: Add clean-bit for the ASID
KVM: SVM: Add clean-bit for interrupt state
KVM: SVM: Add clean-bit for NPT state
KVM: SVM: Add clean-bit for control registers
KVM: SVM: Add clean-bit for DR6 and DR7
KVM: SVM: Add clean-bit for GDT and IDT
KVM: SVM: Add clean-bit for Segements and CPL
KVM: SVM: Add clean-bit for CR2 register
KVM: SVM: Add clean-bit for LBR state
KVM: SVM: Remove flush_guest_tlb function
KVM: SVM: Use svm_flush_tlb instead of force_new_asid
KVM: SVM: Implement Flush-By-Asid feature
KVM: SVM: Add xsetbv intercept
Lai Jiangshan (2):
KVM: MMU: rename 'reset_host_protection' to 'host_writable'
KVM: return true when user space query KVM_CAP_USER_NMI extension
Marcelo Tosatti (5):
KVM: VMX: remove setting of shadow_base_ptes for EPT
KVM: MMU: remove kvm_mmu_set_base_ptes
KVM: MMU: flush TLBs on writable -> read-only spte overwrite
KVM: propagate fault r/w information to gup(), allow read-only memory
KVM: MMU: only write protect mappings at pagetable level
Michael S. Tsirkin (1):
KVM: fast-path msi injection with irqfd
Roedel, Joerg (2):
KVM: SVM: Add manipulation functions for CRx intercepts
KVM: SVM: Add clean-bits infrastructure code
Shane Wang (1):
KVM: VMX: Inform user about INTEL_TXT dependency
Takuya Yoshikawa (9):
KVM: introduce wrapper functions for creating/destroying dirty
bitmaps
KVM: pre-allocate one more dirty bitmap to avoid vmalloc()
KVM: use kmalloc() for small dirty bitmaps
KVM: replace vmalloc and memset with vzalloc
KVM: take kvm_lock for hardware_disable() during cpu hotplug
KVM: rename hardware_[dis|en]able() to *_nolock() and add locking
wrappers
KVM: MMU: Avoid dropping accessed bit while removing write access
KVM: MMU: Make the way of accessing lpage_info more generic
KVM: Take missing slots_lock for kvm_io_bus_unregister_dev()
Tracey Dent (1):
KVM: x86: Makefile clean up
Xiao Guangrong (22):
KVM: fix tracing kvm_try_async_get_page
KVM: cleanup async_pf tracepoints
KVM: fix searching async gfn in kvm_async_pf_gfn_slot
KVM: avoid unnecessary wait for a async pf
KVM: handle more completed apfs if possible
KVM: fix the race while wakeup all pv guest
KVM: remove unused function declaration
KVM: MMU: fix missing post sync audit
KVM: MMU: clear apfs if page state is changed
KVM: MMU: support apf for nonpaing guest
KVM: MMU: fix apf prefault if nested guest is enabled
KVM: MMU: don't mark spte notrap if reserved bit set
KVM: MMU: fix forgot flush tlbs on sync_page path
KVM: MMU: don't drop spte if overwrite it from W to RO
KVM: MMU: remove 'clear_unsync' parameter
KVM: MMU: abstract invalid guest pte mapping
KVM: MMU: delay flush all tlbs on sync_page path
KVM: MMU: rename 'no_apf' to 'prefault'
KVM: MMU: fix accessed bit set on prefault path
KVM: MMU: retry #PF for softmmu
KVM: MMU: audit: allow audit more guests at the same time
KVM: MMU: handle 'map_writable' in set_spte() function
Documentation/kernel-parameters.txt | 3 +
Documentation/kvm/api.txt | 178 +++++++
Documentation/kvm/cpuid.txt | 3 +
Documentation/kvm/msr.txt | 36 ++-
arch/ia64/include/asm/kvm_host.h | 4 +
arch/ia64/kvm/kvm-ia64.c | 30 +-
arch/powerpc/kvm/book3s.c | 4 +-
arch/powerpc/kvm/powerpc.c | 20 +-
arch/s390/kvm/kvm-s390.c | 23 +-
arch/x86/include/asm/kvm_emulate.h | 35 +-
arch/x86/include/asm/kvm_host.h | 99 +++--
arch/x86/include/asm/kvm_para.h | 24 +
arch/x86/include/asm/svm.h | 57 ++-
arch/x86/include/asm/traps.h | 1 +
arch/x86/include/asm/vmx.h | 15 +
arch/x86/kernel/entry_32.S | 10 +
arch/x86/kernel/entry_64.S | 3 +
arch/x86/kernel/kvm.c | 317 +++++++++++++
arch/x86/kernel/kvmclock.c | 13 +-
arch/x86/kvm/Kconfig | 1 +
arch/x86/kvm/Makefile | 3 +-
arch/x86/kvm/emulate.c | 367 +++++++---------
arch/x86/kvm/kvm_cache_regs.h | 22 +
arch/x86/kvm/lapic.c | 3 +-
arch/x86/kvm/mmu.c | 251 +++++++----
arch/x86/kvm/mmu_audit.c | 39 +-
arch/x86/kvm/paging_tmpl.h | 147 ++++---
arch/x86/kvm/svm.c | 865
++++++++++++++++++++++-------------
arch/x86/kvm/trace.h | 17 +-
arch/x86/kvm/vmx.c | 156 +++++--
arch/x86/kvm/x86.c | 471 ++++++++++++++-----
fs/ncpfs/mmap.c | 2 +
include/linux/kvm.h | 1 +
include/linux/kvm_host.h | 101 ++++-
include/linux/kvm_types.h | 7 +
include/linux/mm.h | 5 +
include/trace/events/kvm.h | 121 +++++
mm/filemap.c | 3 +
mm/memory.c | 31 ++-
mm/shmem.c | 8 +-
virt/kvm/Kconfig | 3 +
virt/kvm/assigned-dev.c | 125 ++----
virt/kvm/async_pf.c | 216 +++++++++
virt/kvm/async_pf.h | 36 ++
virt/kvm/eventfd.c | 91 ++++-
virt/kvm/irq_comm.c | 7 +-
virt/kvm/kvm_main.c | 342 ++++++++++----
47 files changed, 3127 insertions(+), 1189 deletions(-)
create mode 100644 virt/kvm/async_pf.c
create mode 100644 virt/kvm/async_pf.h
--
error compiling committee.c: too many arguments to function
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