| Date | Sat, 14 Oct 2017 11:27:26 +0200 | From | Borislav Petkov <> | Subject | Re: [Part2 PATCH v5 18/31] KVM: SVM: VMRUN should use assosiated ASID when SEV is enabled |
| |
On Wed, Oct 04, 2017 at 08:13:59AM -0500, Brijesh Singh wrote: > SEV hardware uses ASIDs to associate memory encryption key with the > guest VM. During the guest creation time, SEV VM use SEV_CMD_ACTIVATE > command to bind a particular ASID to the guest. Lets make sure that the > VMCB is programmed with the bound ASID before a VMRUN.
Some minor corrections:
"SEV hardware uses ASIDs to associate a memory encryption key with a guest VM. During guest creation, a SEV VM uses the SEV_CMD_ACTIVATE command to bind a particular ASID to the guest. Lets make sure that the VMCB is programmed with the bound ASID before a VMRUN."
> > 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 | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 56 insertions(+), 2 deletions(-)
With that:
Reviewed-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
|