On 23/03/21 18:50, Krish Sadhukhan wrote:
v4 -> v5:
1. The fix in patch# 1 has been modified. We are queue'ing the
pending #DB intercept via nested_svm_vmexit() if the VMRUN is
found to be single-stepped.
2. In patch# 3, the assembly label for tracking the VMRUN RIP has
been changed to u64* from void*.
[PATCH 1/4 v5] KVM: nSVM: If VMRUN is single-stepped, queue the #DB
[PATCH 2/4 v5] KVM: X86: Add a utility function to read current RIP
[PATCH 3/4 v5] KVM: nSVM: Add assembly label to VMRUN instruction
[PATCH 4/4 v5] nSVM: Test effect of host RFLAGS.TF on VMRUN
arch/x86/kvm/svm/nested.c | 10 ++++++++++
1 file changed, 10 insertions(+)
Krish Sadhukhan (1):
KVM: nSVM: If VMRUN is single-stepped, queue the #DB intercept in nested_svm_vmexit()
lib/x86/processor.h | 7 ++++
x86/svm.c | 16 ++++++--
x86/svm_tests.c | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 134 insertions(+), 4 deletions(-)
Krish Sadhukhan (3):
KVM: X86: Add a utility function to read current RIP
KVM: nSVM: Add assembly label to VMRUN instruction
nSVM: Test effect of host RFLAGS.TF on VMRUN
Queued 1-3-4, 2 is not needed.
Paolo
