On Thu, Dec 18, 2025, Hou Wenlong wrote: > Hou Wenlong (9): > KVM: x86: Capture "struct x86_exception" in > inject_emulated_exception() > KVM: x86: Set guest DR6 by kvm_queue_exception_p() in instruction > emulation > KVM: x86: Check guest debug in DR access instruction emulation > KVM: x86: Only check effective code breakpoint in emulation > KVM: x86: Consolidate KVM_GUESTDBG_SINGLESTEP check into the > kvm_inject_emulated_db() > KVM: x86: Move kvm_set_rflags() up before kvm_vcpu_do_singlestep() > KVM: VMX: Refresh 'PENDING_DBG_EXCEPTIONS.BS' bit during instruction > emulation > KVM: selftests: Verify guest debug DR7.GD checking during instruction > emulation > KVM: selftests: Verify 'BS' bit checking in pending debug exception > during VM entry > > arch/x86/include/asm/kvm-x86-ops.h | 1 + > arch/x86/include/asm/kvm_host.h | 1 + > arch/x86/kvm/emulate.c | 14 +-- > arch/x86/kvm/kvm_emulate.h | 7 +- > arch/x86/kvm/vmx/main.c | 9 ++ > arch/x86/kvm/vmx/vmx.c | 15 ++- > arch/x86/kvm/vmx/x86_ops.h | 1 + > arch/x86/kvm/x86.c | 116 ++++++++++-------- > arch/x86/kvm/x86.h | 7 ++ > .../selftests/kvm/include/x86/processor.h | 3 +- > tools/testing/selftests/kvm/x86/debug_regs.c | 72 ++++++++++- > 11 files changed, 178 insertions(+), 68 deletions(-)
One goof and some nits on patch 3, but I'll fix them up when applying, i.e. no need for a v3. I'll probably also add some comments and elaborate on some of the changelogs.
