| Date | Fri, 13 Oct 2017 18:46:10 +0200 | From | Borislav Petkov <> | Subject | Re: [Part2 PATCH v5 14/31] KVM: SVM: Add sev module_param |
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On Wed, Oct 04, 2017 at 08:13:55AM -0500, Brijesh Singh wrote: > The module parameter can be used to control the SEV feature support. > > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: "H. Peter Anvin" <hpa@zytor.com> > Cc: Paolo Bonzini <pbonzini@redhat.com> > Cc: "Radim Krčmář" <rkrcmar@redhat.com> > Cc: Joerg Roedel <joro@8bytes.org> > Cc: Borislav Petkov <bp@suse.de> > Cc: Tom Lendacky <thomas.lendacky@amd.com> > Cc: x86@kernel.org > Cc: kvm@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> > --- > arch/x86/kvm/svm.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c > index fab5b1b7fc63..be2e98c01b22 100644 > --- a/arch/x86/kvm/svm.c > +++ b/arch/x86/kvm/svm.c > @@ -284,6 +284,10 @@ module_param(vls, int, 0444); > static int vgif = true; > module_param(vgif, int, 0444); > > +/* enable/disable SEV support */ > +static int sev = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT); > +module_param(sev, int, 0444); > + > static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); > static void svm_flush_tlb(struct kvm_vcpu *vcpu); > static void svm_complete_interrupts(struct vcpu_svm *svm); > --
Nice!
Reviewed-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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