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| author | Sean Christopherson <seanjc@google.com> | 2026-05-27 19:12:29 -0700 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-05-27 19:12:29 -0700 |
| commit | bc5f0a95ae3c51a48f18a6d0eaa9483b37c1dcc6 (patch) | |
| tree | ab9093d8cb806bba964c735f465976108cf98b14 /Documentation | |
| parent | 5ada7ec7b3d14ec7efb09d174115697ed5319d7b (diff) | |
| parent | 5d40e5b49442437fe9dfd2577f7b17c07dbefb92 (diff) | |
| download | linux-next-history-bc5f0a95ae3c51a48f18a6d0eaa9483b37c1dcc6.tar.gz | |
Merge branch 'misc'
* misc: (30 commits)
KVM: SEV: Restrict userspace return codes for KVM_HC_MAP_GPA_RANGE
KVM: TDX: Allow userspace to return errors to guest for MAPGPA
KVM: selftests: Update hwcr_msr_test for CPUID faulting bit
KVM: x86: Virtualize AMD CPUID faulting
KVM: x86: Remove supports_cpuid_fault() helper
KVM: x86: Prioritize CPUID faulting over CPUID VM-exits in nested VMX
KVM: x86: Consolidate CPUID fault handling for emulator and interception logic
KVM: x86: Treat KVM's virtual PMU as disabled for TDX VMs
KVM: selftests: Add nested page fault injection test
KVM: VMX: Synthesize nested EPT violation GVA_IS_VALID/GVA_TRANSLATED bits
KVM: SVM: Fix nested NPF injection of PFERR_GUEST_{PAGE,FINAL}_MASK bits
KVM: x86: Tell ->inject_page_fault() whether or a fault came from hardware
KVM: x86: Widen x86_exception's error_code to 64 bits
MAINTAINERS: KVM: Include maintainer profile
KVM: x86: Remove unused X86EMUL_MODE_HOST define
KVM: selftests: Verify VMX's GUEST_PENDING_DBG_EXCEPTIONS.BS Consistency Check
KVM: selftests: Verify guest debug DR7.GD checking during instruction emulation
KVM: selftests: Add all (known) EFLAGS bit definitions
KVM: x86: Drop kvm_vcpu_do_singlestep() now that it's been gutted
KVM: x86: Move KVM_GUESTDBG_SINGLESTEP handling into kvm_inject_emulated_db()
...
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 52bbbb553ce10..1a5a82ab0d661 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -8818,6 +8818,9 @@ block sizes is exposed in KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES as a This capability, if enabled, will cause KVM to exit to userspace with KVM_EXIT_HYPERCALL exit reason to process some hypercalls. +Userspace may fail the hypercall by setting hypercall.ret to EINVAL +or may request the hypercall to be retried the next time the guest run +by setting hypercall.ret to EAGAIN. Calling KVM_CHECK_EXTENSION for this capability will return a bitmask of hypercalls that can be configured to exit to userspace. |