From: Sean Christopherson <seanjc@google.com>
To: James Bottomley <James.Bottomley@hansenpartnership.com>
Cc: roy.hopkins@suse.com, ashish.kalra@amd.com, bp@alien8.de,
dave.hansen@linux.intel.com, jroedel@suse.de,
kvm@vger.kernel.org, linux-coco@lists.linux.dev,
linux-kernel@vger.kernel.org, michael.roth@amd.com,
mingo@redhat.com, pbonzini@redhat.com, tglx@linutronix.de,
thomas.lendacky@amd.com, x86@kernel.org
Subject: Re: [RFC PATCH 0/5] Extend SEV-SNP SVSM support with a kvm_vcpu per VMPL
Date: Mon, 21 Oct 2024 12:51:36 -0700 [thread overview]
Message-ID: <ZxawyGnWfo378f3S@google.com> (raw)
In-Reply-To: <6028e1a0fad729f28451782754417b0be3aea7ed.camel@HansenPartnership.com>
On Fri, Oct 18, 2024, James Bottomley wrote:
> > I've prepared this series as an extension to the RFC patch series:
> > 'SEV-SNP support for running an SVSM' posted by Tom Lendacky [1].
> > This extends the support for transitioning a vCPU between VM
> > Privilege Levels (VMPLs) by storing the vCPU state for each VMPL in
> > its own `struct kvm_vcpu`. This additionally allows for separate
> > APICs for each VMPL.
>
> I couldn't attend KVM forum, but I understand based on feedback at a
> session there, Paolo took the lead to provide an architecture document
> for this feature, is that correct?
Yep.
> Just asking because I haven't noticed anything about this on the list.
Heh, there's quite a queue of blocked readers (and writers!) at this point ;-)
next prev parent reply other threads:[~2024-10-21 19:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-16 18:17 [RFC PATCH 0/5] Extend SEV-SNP SVSM support with a kvm_vcpu per VMPL Roy Hopkins
2024-09-16 18:17 ` [RFC PATCH 1/5] kvm: Move kvm_vcpu fields into common structure Roy Hopkins
2024-09-16 18:17 ` [RFC PATCH 2/5] x86/kvm: Create a child struct kvm_vcpu for each VMPL Roy Hopkins
2024-09-16 18:17 ` [RFC PATCH 3/5] kvm/sev: Update SEV VMPL handling to use multiple struct kvm_vcpus Roy Hopkins
2024-09-16 18:17 ` [RFC PATCH 4/5] x86/kvm: Add x86 field to find the default VMPL that IRQs should target Roy Hopkins
2024-09-16 18:17 ` [RFC PATCH 5/5] x86/kvm: Add target VMPL to IRQs and send to APIC for VMPL Roy Hopkins
2024-10-18 15:36 ` [RFC PATCH 0/5] Extend SEV-SNP SVSM support with a kvm_vcpu per VMPL James Bottomley
2024-10-21 19:51 ` Sean Christopherson [this message]
2024-10-23 11:48 ` Paolo Bonzini
2024-10-23 14:33 ` James Bottomley
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