From: Sean Christopherson <seanjc@google.com>
To: Robert Nowotny <rnowotny@rotek.at>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
x86@kernel.org, jostarks@microsoft.com
Subject: Re: [RFC PATCH 0/2] KVM: x86: Relay a nested Hyper-V root's vmbus posts to L0
Date: Wed, 17 Jun 2026 08:53:51 -0700 [thread overview]
Message-ID: <ajLDD6Ck1MF8aD7J@google.com> (raw)
In-Reply-To: <11b87e43-dde8-4fbc-a25e-ee7373c8181d@rotek.at>
On Wed, Jun 17, 2026, Robert Nowotny wrote:
> This RFC asks for direction on a small KVM/x86 addition before adding a
> selftest and an SVM counterpart. It lets a nested Hyper-V root partition's
> vmbus come up when the L1 hypervisor runs under KVM with a userspace VMM that
> owns the host vmbus endpoint.
>
> Patch 1 renames nested_evmcs_l2_tlb_flush_enabled() to
> nested_evmcs_l2_direct_hypercall_enabled(), since the predicate is really
> "L1
> granted this L2 the eVMCS direct-hypercall facility" and a second caller now
> shares it. No functional change.
>
> Patch 2 adds the relay.
I didn't get any patches. Lore doesn't have them either.
prev parent reply other threads:[~2026-06-17 15:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-17 14:51 [RFC PATCH 0/2] KVM: x86: Relay a nested Hyper-V root's vmbus posts to L0 Robert Nowotny
2026-06-17 15:53 ` Sean Christopherson [this message]
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