[GIT PULL] KVM updates for 2.6.40

From: Avi Kivity
Date: Mon May 23 2011 - 04:08:39 EST

Linus, please pull from:

git://git.kernel.org/pub/scm/virt/kvm/kvm.git kvm-updates/2.6.40

to receive the KVM updates for the 2.6.40 cycle. Changes this time include emulator correctness (segment checks, nested SVM intercepts), 16-byte MMIO, Via CPU feature support, virtual TSC rate for newer AMD processors, better RCU integration, and performance improvements.

Changelog/diffstat (includes already-merged RCU commits):

Avi Kivity (56):
KVM: Use kvm_get_rflags() and kvm_set_rflags() instead of the raw versions
KVM: VMX: Optimize vmx_get_rflags()
KVM: VMX: Optimize vmx_get_cpl()
KVM: VMX: Cache cpl
KVM: VMX: Avoid vmx_recover_nmi_blocking() when unneeded
KVM: VMX: Qualify check for host NMI
KVM: VMX: Refactor vmx_complete_atomic_exit()
KVM: VMX: Don't VMREAD VM_EXIT_INTR_INFO unconditionally
KVM: VMX: Use cached VM_EXIT_INTR_INFO in handle_exception
KVM: VMX: simplify NMI mask management
KVM: extend in-kernel mmio to handle >8 byte transactions
KVM: Split mmio completion into a function
KVM: 16-byte mmio support
KVM: x86 emulator: do not munge rep prefix
KVM: x86 emulator: define callbacks for using the guest fpu within the emulator
KVM: x86 emulator: Specialize decoding for insns with 66/f2/f3 prefixes
KVM: x86 emulator: SSE support
KVM: x86 emulator: implement movdqu instruction (f3 0f 6f, f3 0f 7f)
KVM: x86 emulator: add framework for instruction intercepts
KVM: x86 emulator: add SVM intercepts
KVM: x86 emulator: Re-add VendorSpecific tag to VMMCALL insn
KVM: x86 emulator: Drop EFER.SVME requirement from VMMCALL
KVM: x86 emulator: Add helpers for memory access using segmented addresses
KVM: x86 emulator: move invlpg emulation into a function
KVM: x86 emulator: change address linearization to return an error code
KVM: x86 emulator: pass access size and read/write intent to linearize()
KVM: x86 emulator: move linearize() downwards
KVM: x86 emulator: move desc_limit_scaled()
KVM: x86 emulator: implement segment permission checks
KVM: x86 emulator: whitespace cleanups
KVM: x86 emulator: drop vcpu argument from memory read/write callbacks
KVM: x86 emulator: drop vcpu argument from pio callbacks
KVM: x86 emulator: drop vcpu argument from segment/gdt/idt callbacks
KVM: x86 emulator: drop vcpu argument from cr/dr/cpl/msr callbacks
KVM: x86 emulator: drop vcpu argument from intercept callback
KVM: x86 emulator: avoid using ctxt->vcpu in check_perm() callbacks
KVM: x86 emulator: add and use new callbacks set_idt(), set_gdt()
KVM: x86 emulator: drop use of is_long_mode()
KVM: x86 emulator: Replace calls to is_pae() and is_paging with ->get_cr()
KVM: x86 emulator: emulate CLTS internally
KVM: x86 emulator: make emulate_invlpg() an emulator callback
KVM: x86 emulator: add new ->halt() callback
KVM: x86 emulator: add ->fix_hypercall() callback
KVM: x86 emulator: add new ->wbinvd() callback
KVM: Avoid using x86_emulate_ctxt.vcpu
KVM: x86 emulator: drop x86_emulate_ctxt::vcpu
KVM: x86 emulator: move 0F 01 sub-opcodes into their own functions
KVM: x86 emulator: Don't force #UD for 0F 01 /5
KVM: x86 emulator: Use opcode::execute for 0F 01 opcode
KVM: SVM: Get rid of x86_intercept_map::valid
KVM: MMU: Add unlikely() annotations to walk_addr_generic()
KVM: x86 emulator: consolidate group handling
KVM: VMX: Avoid reading %rip unnecessarily when handling exceptions
KVM: x86 emulator: consolidate segment accessors
KVM: VMX: Cache vmcs segment fields
Merge commit '29ce831000081dd757d3116bf774aafffc4b6b20' into next

Bharat Bhushan (1):
KVM: PPC: Fix issue clearing exit timing counters

BrillyWu@xxxxxxxxxxxxxx (1):
KVM: Add CPUID support for VIA CPU

Clemens Noss (1):
KVM: x86 emulator: avoid calling wbinvd() macro

Duan Jiong (2):
KVM: remove useless function declarations from file arch/x86/kvm/irq.h
KVM: remove useless function declaration kvm_inject_pit_timer_irqs()

Glauber Costa (1):
KVM: expose async pf through our standard mechanism

Gleb Natapov (8):
KVM: x86: better fix for race between nmi injection and enabling nmi window
KVM: x86 emulator: do not open code return values from the emulator
KVM: emulator: do not needlesly sync registers from emulator ctxt to vcpu
KVM: mmio_fault_cr2 is not used
KVM: emulator: Propagate fault in far jump emulation
KVM: Fix compound mmio
KVM: call cache_all_regs() only once during instruction emulation
KVM: make guest mode entry to be rcu quiescent state

Jan Kiszka (2):
KVM: SVM: Remove unused svm_features
KVM: VMX: Ensure that vmx_create_vcpu always returns proper error

Jeff Mahoney (2):
KVM: Fix off by one in kvm_for_each_vcpu iteration
KVM: ia64: fix sparse warnings

Joe Perches (1):
KVM: SVM: Make dump_vmcb static, reduce text

Joerg Roedel (22):
KVM: x86 emulator: Don't write-back cpu-state on X86EMUL_INTERCEPTED
KVM: x86 emulator: Add check_perm callback
KVM: x86 emulator: Add flag to check for protected mode instructions
KVM: x86: Add x86 callback for intercept check
KVM: SVM: Add intercept check for emulated cr accesses
KVM: SVM: Add intercept check for accessing dr registers
KVM: SVM: Add intercept checks for descriptor table accesses
KVM: SVM: Add intercept checks for SVM instructions
KVM: SVM: Add intercept checks for remaining group7 instructions
KVM: SVM: Add intercept checks for remaining twobyte instructions
KVM: SVM: Add intercept checks for one-byte instructions
KVM: SVM: Add checks for IO instructions
KVM: SVM: Remove nested sel_cr0_write handling code
KVM: SVM: Implement infrastructure for TSC_RATE_MSR
KVM: X86: Let kvm-clock report the right tsc frequency
KVM: X86: Make tsc_delta calculation a function of guest tsc
KVM: X86: Implement call-back to propagate virtual_tsc_khz
KVM: X86: Delegate tsc-offset calculation to architecture code
KVM: X86: Implement userspace interface to set virtual_tsc_khz
KVM: SVM: Fix fault-rip on vmsave/vmload emulation
KVM: SVM: Fix nested sel_cr0 intercept path with decode-assists
KVM: X86: Update last_guest_tsc in vcpu_put

Justin P. Mattock (1):
KVM: Remove base_addresss in kvm_pit since it is unused

Liu Yuan (1):
KVM: ioapic: Fix an error field reference

Marcelo Tosatti (1):
Revert "KVM: Fix race between nmi injection and enabling nmi window"

Nelson Elhage (2):
KVM: x86 emulator: Handle wraparound in (cs_base + offset) when fetching insns
KVM: emulator: Use linearize() when fetching instructions

OGAWA Hirofumi (1):
KVM: Fix kvm mmu_notifier initialization order

Pekka Enberg (1):
KVM: Add documentation for KVM_CAP_NR_VCPUS

Randy Dunlap (1):
KVM: x86 emulator: fix const value warning on i386 in svm insn RAX check

Roedel, Joerg (1):
KVM: MMU: Make cmpxchg_gpte aware of nesting too

Scott Wood (4):
KVM: PPC: e500: emulate SVR
KVM: PPC: fix exit accounting for SPRs, tlbwe, tlbsx
KVM: PPC: booke: save/restore VRSAVE (a.k.a. USPRG0)
KVM: PPC: booke: add sregs support

Serge E. Hallyn (1):
KVM: fix push of wrong eip when doing softint

Stuart Yoder (1):
KVM: PPC: use ticks, not usecs, for exit timing

Takuya Yoshikawa (18):
KVM: x86 emulator: Disable writeback for CMP emulation
KVM: x86 emulator: Make emulate_push() store the value directly
KVM: x86 emulator: Use em_push() instead of emulate_push()
KVM: MMU: Optimize guest page table walk
KVM: x86 emulator: Use opcode::execute for Group 1, CMPS and SCAS
KVM: x86 emulator: Use opcode::execute for POP reg (58-5F)
KVM: x86 emulator: Use opcode::execute for PUSHA/POPA (60/61)
KVM: x86 emulator: Use opcode::execute for PUSHF/POPF (9C/9D)
KVM: MMU: Fix 64-bit paging breakage on x86_32
KVM: MMU: Clean up gpte reading with copy_from_user()
KVM: Validate userspace_addr of memslot when registered
KVM: x86 emulator: Remove unused arg from seg_override()
KVM: x86 emulator: Remove unused arg from read_descriptor()
KVM: x86 emulator: Remove unused arg from writeback()
KVM: x86 emulator: Remove unused arg from emulate_pop()
KVM: x86 emulator: Rename emulate_grpX() to em_grpX()
KVM: x86 emulator: Make jmp far emulation into a separate function
KVM: MMU: Use ptep_user for cmpxchg_gpte()

Xiao Guangrong (2):
KVM: cleanup memslot_id function
KVM: MMU: remove mmu_seq verification on pte update path

Documentation/RCU/00-INDEX | 2 +-
Documentation/RCU/stallwarn.txt | 23 +-
Documentation/RCU/trace.txt | 295 +++++--
Documentation/filesystems/proc.txt | 1 -
Documentation/kvm/api.txt | 34 +-
arch/ia64/kvm/vti.h | 26 +-
arch/powerpc/include/asm/kvm.h | 184 ++++
arch/powerpc/include/asm/kvm_44x.h | 1 -
arch/powerpc/include/asm/kvm_e500.h | 2 +
arch/powerpc/include/asm/kvm_host.h | 5 +
arch/powerpc/include/asm/kvm_ppc.h | 9 +
arch/powerpc/kernel/asm-offsets.c | 1 +
arch/powerpc/kvm/44x.c | 10 +
arch/powerpc/kvm/44x_emulate.c | 2 -
arch/powerpc/kvm/booke.c | 154 +++-
arch/powerpc/kvm/booke_interrupts.S | 1 -
arch/powerpc/kvm/e500.c | 76 ++
arch/powerpc/kvm/e500_emulate.c | 7 +-
arch/powerpc/kvm/e500_tlb.c | 13 +-
arch/powerpc/kvm/emulate.c | 15 +-
arch/powerpc/kvm/powerpc.c | 21 +
arch/powerpc/kvm/timing.c | 31 +-
arch/x86/include/asm/kvm_emulate.h | 193 +++-
arch/x86/include/asm/kvm_host.h | 55 +-
arch/x86/include/asm/msr-index.h | 1 +
arch/x86/kvm/emulate.c | 1806 +++++++++++++++++++++++------------
arch/x86/kvm/i8254.h | 2 -
arch/x86/kvm/irq.h | 2 -
arch/x86/kvm/mmu.c | 16 +-
arch/x86/kvm/paging_tmpl.h | 83 ++-
arch/x86/kvm/svm.c | 585 +++++++++---
arch/x86/kvm/vmx.c | 228 ++++-
arch/x86/kvm/x86.c | 570 ++++++++----
arch/x86/kvm/x86.h | 2 +-
include/linux/interrupt.h | 1 -
include/linux/kvm.h | 6 +
include/linux/kvm_host.h | 30 +-
include/linux/rcupdate.h | 70 ++-
include/linux/rcutiny.h | 8 +
include/linux/rcutree.h | 13 +
include/trace/events/irq.h | 3 +-
init/Kconfig | 2 +-
kernel/rcupdate.c | 32 +-
kernel/rcutiny.c | 45 +-
kernel/rcutiny_plugin.h | 203 ++---
kernel/rcutorture.c | 26 +-
kernel/rcutree.c | 672 +++++++++++---
kernel/rcutree.h | 116 ++-
kernel/rcutree_plugin.h | 595 +++++++++---
kernel/rcutree_trace.c | 192 ++++-
kernel/softirq.c | 2 +-
lib/Kconfig.debug | 32 +-
tools/perf/util/trace-event-parse.c | 1 -
virt/kvm/ioapic.c | 2 +-
virt/kvm/kvm_main.c | 26 +-
55 files changed, 4863 insertions(+), 1670 deletions(-)

error compiling committee.c: too many arguments to function

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