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KVM: x86/mmu: Set CR4.PKE/LA57 in MMU role iff long mode is active
2021-06-24
Sean Christopherson
KVM: x86/mmu: Set CR4.PKE/LA57 in MMU role iff long...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Do not set paging-related bits in MMU...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Add accessors to query mmu_role bits
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Rename "nxe" role bit to "efer_nx" for...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Use MMU's role_regs, not vCPU state,...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Ignore CR0 and CR4 bits in nested EPT...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Consolidate misc updates into shadow_mmu_init_...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Add struct and helpers to retrieve MMU...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Grab shadow root level from mmu_role...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Move nested NPT reserved bit calculation...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86: Read and pass all CR0/CR4 role bits to shadow...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Drop smep_andnot_wp check from "uses...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: nSVM: Add a comment to document why nNPT uses...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86: Fix sizes used to pass around CR0, CR4, and...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Rename unsync helper and update related...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Drop the intermediate "transient" __kvm_sync_p...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: comment on kvm_mmu_get_page's syncing...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: WARN and zap SP when sync'ing if MMU...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Use MMU role to check for matching guest...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Unconditionally zap unsync SPs when creating...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
Revert "KVM: MMU: record maximum physical address width...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86: Alert userspace that KVM_SET_CPUID{,2} after...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86: Force all MMUs to reinitialize if guest CPUID...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
Revert "KVM: x86/mmu: Drop kvm_mmu_extended_role.cr4_la57...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Use MMU's role to detect CR4.SMEP value...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86: Properly reset MMU context at vCPU RESET...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Treat NX as used (not reserved) for all...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Remove broken WARN that fires on 32-bit...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: x86/mmu: Don't WARN on a NULL shadow page in TDP...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: sefltests: Add x86-64 test to verify MMU reacts...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Add hugepage support for x86-64
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Genericize upper level page table entry...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Add PTE helper for x86-64 in preparation...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Rename x86's page table "address" to...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Add wrapper to allocate page table...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Unconditionally allocate EPT tables...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Unconditionally use memslot '0' for...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Unconditionally use memslot 0 for vaddr...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Use "standard" min virtual address...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Use alloc page helper for xAPIC IPI...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Use alloc_page helper for x86-64's...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Lower the min virtual address for misc...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Add helpers to allocate N pages of...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Use "standard" min virtual address...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Unconditionally use memslot 0 for x86...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Unconditionally use memslot 0 when...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Zero out the correct page in the Hyper...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: selftests: Remove errant asm/barrier.h include...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-24
Sean Christopherson
KVM: nVMX: Handle split-lock #AC exceptions that happen...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-21
Sean Christopherson
KVM: nVMX: Dynamically compute max VMCS index for vmcs12
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-18
Sean Christopherson
KVM: x86: WARN and reject loading KVM if NX is supported...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-18
Sean Christopherson
KVM: SVM: Refuse to load kvm_amd if NX support is not...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-18
Sean Christopherson
KVM: VMX: Refuse to load kvm_intel if EPT and NX are...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86/mmu: Grab nx_lpage_splits as an unsigned long...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Drop redundant checks on vmcs12 in EPTP...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: WARN if subtly-impossible VMFUNC conditions...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Drop pointless @reset_roots from kvm_init_mmu()
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Defer MMU sync on PCID invalidation
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Use fast PGD switch when emulating VMFUNC...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Use KVM_REQ_TLB_FLUSH_GUEST to handle INVPCID...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Free only guest_mode (L2) roots on INVVPID...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Consolidate VM-Enter/VM-Exit TLB flush and...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Drop skip MMU sync and TLB flush params from...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nSVM: Move TLB flushing logic (or lack thereof...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Uncondtionally skip MMU sync/TLB flush in...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Invalidate all PGDs for the current PCID...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Don't clobber nested MMU's A/D status on...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Ensure 64-bit shift when checking VMFUNC...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Sync all PGDs on nested transition with...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Always load PDPTRs on CR3 load for SVM w...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nSVM: Drop pointless pdptrs_changed() check on...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: nVMX: Drop obsolete (and pointless) pdptrs_changed...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Drop "pre_" from enter/leave_smm() helpers
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Drop .post_leave_smm(), i.e. the manual post...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Rename SMM tracepoint to make it reflect...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Move "entering SMM" tracepoint into kvm_smm_changed()
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Move (most) SMM hflags modifications into...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Invoke kvm_smm_changed() immediately after...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Replace .set_hflags() with dedicated .exiting_smm...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-17
Sean Christopherson
KVM: x86: Emulate triple fault shutdown if RSM emulation...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-11
Sean Christopherson
KVM: x86/mmu: Calculate and check "full" mmu_role for...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-10
Sean Christopherson
KVM: x86: Immediately reset the MMU context when the...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-06-08
Sean Christopherson
KVM: x86: Ensure liveliness of nested VM-Enter fail...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: SVM: Invert user pointer casting in SEV {en,de...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Prevent KVM SVM from loading on kernels with...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Hide RDTSCP and RDPID if MSR_TSC_AUX probing...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Tie Intel and AMD behavior for MSR_TSC_AUX...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Move uret MSR slot management to common x86
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Export the number of uret MSRs to vendor...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: VMX: Disable loading of TSX_CTRL MSR the more...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: VMX: Use common x86's uret MSR list as the one...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: VMX: Use flag to indicate "active" uret MSRs instead...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: VMX: Configure list of user return MSRs at module...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Add support for RDPID without RDTSCP
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: SVM: Probe and load MSR_TSC_AUX regardless of...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: VMX: Disable preemption when probing user return...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Move RDPID emulation intercept to its own...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: SVM: Inject #UD on RDTSCP when it should be disabled...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: x86: Emulate RDPID only if RDTSCP is supported
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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2021-05-07
Sean Christopherson
KVM: VMX: Do not advertise RDPID if ENABLE_RDTSCP control...
Signed-off-by:
Sean Christopherson
<seanjc@google.com>
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