| Message ID | 20231010200220.897953-3-john.allen@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | SVM guest shadow stack support | expand |
On Tue, 2023-10-10 at 20:02 +0000, John Allen wrote: > Add shadow stack VMCB save area fields to dump_vmcb. Only include S_CET, > SSP, and ISST_ADDR. Since there currently isn't support to decrypt and > dump the SEV-ES save area, exclude PL0_SSP, PL1_SSP, PL2_SSP, PL3_SSP, and > U_CET which are only inlcuded in the SEV-ES save area. > > Signed-off-by: John Allen <john.allen@amd.com> > --- > arch/x86/kvm/svm/svm.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c > index 6a0d225311bc..e435e4fbadda 100644 > --- a/arch/x86/kvm/svm/svm.c > +++ b/arch/x86/kvm/svm/svm.c > @@ -3416,6 +3416,10 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) > "rip:", save->rip, "rflags:", save->rflags); > pr_err("%-15s %016llx %-13s %016llx\n", > "rsp:", save->rsp, "rax:", save->rax); > + pr_err("%-15s %016llx %-13s %016llx\n", > + "s_cet:", save->s_cet, "ssp:", save->ssp); > + pr_err("%-15s %016llx\n", > + "isst_addr:", save->isst_addr); > pr_err("%-15s %016llx %-13s %016llx\n", > "star:", save01->star, "lstar:", save01->lstar); > pr_err("%-15s %016llx %-13s %016llx\n", Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Best regards, Maxim Levitsky
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 6a0d225311bc..e435e4fbadda 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -3416,6 +3416,10 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) "rip:", save->rip, "rflags:", save->rflags); pr_err("%-15s %016llx %-13s %016llx\n", "rsp:", save->rsp, "rax:", save->rax); + pr_err("%-15s %016llx %-13s %016llx\n", + "s_cet:", save->s_cet, "ssp:", save->ssp); + pr_err("%-15s %016llx\n", + "isst_addr:", save->isst_addr); pr_err("%-15s %016llx %-13s %016llx\n", "star:", save01->star, "lstar:", save01->lstar); pr_err("%-15s %016llx %-13s %016llx\n",
Add shadow stack VMCB save area fields to dump_vmcb. Only include S_CET, SSP, and ISST_ADDR. Since there currently isn't support to decrypt and dump the SEV-ES save area, exclude PL0_SSP, PL1_SSP, PL2_SSP, PL3_SSP, and U_CET which are only inlcuded in the SEV-ES save area. Signed-off-by: John Allen <john.allen@amd.com> --- arch/x86/kvm/svm/svm.c | 4 ++++ 1 file changed, 4 insertions(+)