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KVM: x86: Add comments to document various emulation types
2019-09-24
Sean Christopherson
KVM: x86: Add comments to document various emulation...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: VMX: Handle single-step #DB for EMULTYPE_SKIP...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-09-24
Sean Christopherson
KVM: x86: Remove emulation_result enums, EMULATE_{DONE...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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2019-09-24
Sean Christopherson
KVM: VMX: Remove EMULATE_FAIL handling in handle_invalid_gue...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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2019-09-24
Sean Christopherson
KVM: x86: Move triple fault request into RM int injection
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Handle emulation failure directly in kvm_task_switch()
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Exit to userspace on emulation skip failure
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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2019-09-24
Sean Christopherson
KVM: x86: Move #UD injection for failed emulation into...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Add explicit flag for forced emulation on #UD
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Move #GP injection for VMware into x86_emulate_ins...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Don't attempt VMWare emulation on #GP with...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Refactor kvm_vcpu_do_singlestep() to remove...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Clean up handle_emulation_failure()
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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2019-09-24
Sean Christopherson
KVM: x86: Relocate MMIO exit stats counting
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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tree
2019-09-24
Sean Christopherson
KVM: x86: Manually flush collapsible SPTEs only when...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-09-14
Sean Christopherson
KVM: x86/mmu: Reintroduce fast invalidate/zap for flushing...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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commitdiff
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2019-09-11
Sean Christopherson
KVM: nVMX: trace nested VM-Enter failures detected...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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commitdiff
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2019-09-11
Sean Christopherson
KVM: nVMX: add tracepoint for failed nested VM-Enter
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-09-10
Sean Christopherson
KVM: x86: Add kvm_emulate_{rd,wr}msr() to consolidate...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-09-10
Sean Christopherson
KVM: x86: Refactor up kvm_{g,s}et_msr() to simplify...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-09-10
Sean Christopherson
KVM: x86: Manually calculate reserved bits when loading...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-27
Sean Christopherson
KVM: x86: Don't update RIP or do single-step on faulting...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-23
Sean Christopherson
x86/retpoline: Don't clobber RFLAGS during CALL_NOSPEC...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-22
Sean Christopherson
KVM: VMX: Fix and tweak the comments for VM-Enter
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-22
Sean Christopherson
KVM: Assert that struct kvm_vcpu is always as offset...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-22
Sean Christopherson
KVM: x86: Unconditionally call x86 ops that are always...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-22
Sean Christopherson
KVM: x86/mmu: Consolidate "is MMIO SPTE" code
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-22
Sean Christopherson
KVM: x86/mmu: Add explicit access mask for MMIO SPTEs
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-22
Sean Christopherson
KVM: x86: Rename access permissions cache member in...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-08-22
Sean Christopherson
KVM: x86: Fix x86_decode_insn() return when fetching...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-08-07
Sean Christopherson
x86/apic: Annotate global config variables as "read...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-07-11
Sean Christopherson
KVM: x86: Unconditionally enable irqs in guest context
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-07-05
Sean Christopherson
KVM: nVMX: Stash L1's CR3 in vmcs01.GUEST_CR3 on nested...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-19
Sean Christopherson
KVM: x86/mmu: Allocate PAE root array when using SVM...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Leave preemption timer running when it's...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Drop hv_timer_armed from 'struct loaded_vmcs'
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Preset *DT exiting in vmcs02 when emulating...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Preserve last USE_MSR_BITMAPS when preparing...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Explicitly initialize controls shadow at...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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commitdiff
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't reset VMCS controls shadow on VMCS...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Shadow VMCS controls on a per-VMCS basis
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Shadow VMCS secondary execution controls
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Shadow VMCS primary execution controls
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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commitdiff
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2019-06-18
Sean Christopherson
KVM: VMX: Shadow VMCS pin controls
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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commitdiff
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2019-06-18
Sean Christopherson
KVM: VMX: Add builder macros for shadowing controls
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Use adjusted pin controls for vmcs02
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Copy PDPTRs to/from vmcs12 only when necessary
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't update GUEST_BNDCFGS if it's clean...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Update vmcs12 for MSR_IA32_DEBUGCTLMSR when...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Update vmcs12 for SYSENTER MSRs when they...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Update vmcs12 for MSR_IA32_CR_PAT when it...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't speculatively write APIC-access page...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't speculatively write virtual-APIC page...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't dump VMCS if virtual APIC page can...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't reread VMCS-agnostic state when switching...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't "put" vCPU or host state when switching...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Don't rewrite GUEST_PML_INDEX during nested...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Write ENCLS-exiting bitmap once per vmcs02
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Always sync GUEST_BNDCFGS when it comes...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Always signal #GP on WRMSR to MSR_IA32_CR_PAT...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Sync rarely accessed guest fields only when...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Add helpers to identify shadowed VMCS fields
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Use descriptive names for VMCS sync functions...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Lift sync_vmcs12() out of prepare_vmcs12()
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Track vmcs12 offsets for shadowed VMCS fields
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Intercept VMWRITEs to GUEST_{CS,SS}_AR_BYTES
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: nVMX: Intercept VMWRITEs to read-only shadow VMCS...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Handle NMIs, #MCs and async #PFs in common...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: x86: Move kvm_{before,after}_interrupt() calls...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Store the host kernel's IDT base in a global...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Read cached VM-Exit reason to detect external...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-18
Sean Christopherson
KVM: VMX: Fix handling of #MC that occurs during VM...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-06-04
Sean Christopherson
KVM: Directly return result from kvm_arch_check_processor_co...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-05-24
Sean Christopherson
KVM: nVMX: Clear nested_run_pending if setting nested...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-05-15
Sean Christopherson
Revert "KVM: nVMX: Expose RDPMC-exiting only when guest...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-05-15
Sean Christopherson
KVM: nVMX: Disable intercept for FS/GS base MSRs in...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@xxxxxxxxx>
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2019-04-30
Sean Christopherson
KVM: VMX: Use accessors for GPRs outside of dedicated...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: x86: Omit caching logic for always-available GPRs
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: VMX: Include architectural defs header in capabilities.h
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: VMX: Skip delta_tsc shift-and-divide if the dividend...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: lapic: Check for a pending timer intr prior to...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: lapic: Refactor ->set_hv_timer to use an explicit...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: lapic: Explicitly cancel the hv timer if it's...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: lapic: Busy wait for timer to expire when using...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: lapic: Check for in-kernel LAPIC before deferencing...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-30
Sean Christopherson
KVM: x86: Whitelist port 0x7e for pre-incrementing...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-19
Sean Christopherson
x86/fault: Decode and print #PF oops in human readable...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-19
Sean Christopherson
x86/fault: Reword initial BUG message for unhandled...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-18
Sean Christopherson
KVM: lapic: Convert guest TSC to host time domain if...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-18
Sean Christopherson
KVM: lapic: Allow user to disable adaptive tuning of...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-18
Sean Christopherson
KVM: lapic: Track lapic timer advance per vCPU
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-04-18
Sean Christopherson
KVM: lapic: Disable timer advancement if adaptive tuning...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-04-16
Sean Christopherson
KVM: x86: Inject #GP if guest attempts to set unsupported...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-16
Sean Christopherson
KVM: x86: Skip EFER vs. guest CPUID checks for host...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-04-16
Sean Christopherson
KVM: nVMX: Return -EINVAL when signaling failure in...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-16
Sean Christopherson
KVM: nVMX: Rename and split top-level consistency checks...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-16
Sean Christopherson
KVM: nVMX: Move guest non-reg state checks to VM-Exit...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-04-16
Sean Christopherson
KVM: x86: Always use 32-bit SMRAM save state for 32...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
commit
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2019-04-16
Sean Christopherson
KVM: x86: Don't clear EFER during SMM transitions for...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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2019-04-16
Sean Christopherson
KVM: x86: clear SMM flags before loading state while...
Signed-off-by:
Sean Christopherson
<sean.j.christopherson@intel.com>
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