| Message ID | 20241029183907.3536683-5-dionnaglaze@google.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [1/4] kvm: svm: Fix gctx page leak on invalid inputs | expand |
On 10/29/2024 1:39 PM, Dionna Glaze wrote: > When no SEV or SEV-ES guests are active, then the firmware can be > updated while (SEV-SNP) VM guests are active. > > CC: Sean Christopherson <seanjc@google.com> > CC: Paolo Bonzini <pbonzini@redhat.com> > CC: Thomas Gleixner <tglx@linutronix.de> > CC: Ingo Molnar <mingo@redhat.com> > CC: Borislav Petkov <bp@alien8.de> > CC: Dave Hansen <dave.hansen@linux.intel.com> > > Co-authored-by: Ashish Kalra <ashish.kalra@amd.com> > Change-Id: I3efb5fbbd0da05ab29f85504a86693f5cdf49050 > Signed-off-by: Dionna Glaze <dionnaglaze@google.com> > --- > arch/x86/kvm/svm/sev.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c > index f6e96ec0a5caa..8d365e2e3c1b1 100644 > --- a/arch/x86/kvm/svm/sev.c > +++ b/arch/x86/kvm/svm/sev.c > @@ -445,6 +445,8 @@ static int __sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp, > goto e_no_asid; > > init_args.probe = false; > + init_args.supports_download_firmware_ex = > + vm_type != KVM_X86_SEV_VM && vm_type != KVM_X86_SEV_ES_VM; > ret = sev_platform_init(&init_args); > if (ret) > goto e_free; Reviewed-by: Ashish Kalra <ashish.kalra@amd.com> Thanks, Ashish
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index f6e96ec0a5caa..8d365e2e3c1b1 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -445,6 +445,8 @@ static int __sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp, goto e_no_asid; init_args.probe = false; + init_args.supports_download_firmware_ex = + vm_type != KVM_X86_SEV_VM && vm_type != KVM_X86_SEV_ES_VM; ret = sev_platform_init(&init_args); if (ret) goto e_free;
When no SEV or SEV-ES guests are active, then the firmware can be updated while (SEV-SNP) VM guests are active. CC: Sean Christopherson <seanjc@google.com> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Thomas Gleixner <tglx@linutronix.de> CC: Ingo Molnar <mingo@redhat.com> CC: Borislav Petkov <bp@alien8.de> CC: Dave Hansen <dave.hansen@linux.intel.com> Co-authored-by: Ashish Kalra <ashish.kalra@amd.com> Change-Id: I3efb5fbbd0da05ab29f85504a86693f5cdf49050 Signed-off-by: Dionna Glaze <dionnaglaze@google.com> --- arch/x86/kvm/svm/sev.c | 2 ++ 1 file changed, 2 insertions(+)