From: Paolo Bonzini <pbonzini@redhat.com>
To: Sean Christopherson <seanjc@google.com>,
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, 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: Wed, 23 Oct 2024 13:48:57 +0200 [thread overview]
Message-ID: <8db215c5-4393-4db1-883c-431fed9dfd59@redhat.com> (raw)
In-Reply-To: <ZxawyGnWfo378f3S@google.com>
On 10/21/24 21:51, Sean Christopherson wrote:
> 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 ;-)
Well, at least one person had a writer's block instead.
I had it almost ready but then noticed a few hiccups in the design we
came up with, and have been seating on it for a while. I'm sending it
now, finishing the commit messages.
Paolo
next prev parent reply other threads:[~2024-10-23 11:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-16 18:17 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
2024-10-23 11:48 ` Paolo Bonzini [this message]
2024-10-23 14:33 ` James Bottomley
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