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From: Nicolas Saenz Julienne <nsaenz@amazon.com>
To: Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Nikolas Wipper <nik.wipper@gmx.de>,
	Nikolas Wipper <nikwip@amazon.de>,
	Alexander Graf <graf@amazon.de>,
	James Gowans <jgowans@amazon.com>, <nh-open-source@amazon.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "Borislav Petkov" <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	<linux-kernel@vger.kernel.org>, <kvm@vger.kernel.org>,
	<x86@kernel.org>, <linux-doc@vger.kernel.org>,
	<linux-kselftest@vger.kernel.org>
Subject: Re: [PATCH 2/7] KVM: x86: Implement Hyper-V's vCPU suspended state
Date: Tue, 15 Oct 2024 17:16:49 +0000	[thread overview]
Message-ID: <D4WJTFFVQ5XN.13Z7NABE3IRSM@amazon.com> (raw)
In-Reply-To: <Zw6PlAv4H5rNZsBf@google.com>

Hi Sean,

On Tue Oct 15, 2024 at 3:58 PM UTC, Sean Christopherson wrote:
> Before we spend too much time cleaning things up, I want to first settle on the
> overall design, because it's not clear to me that punting HvTranslateVirtualAddress
> to userspace is a net positive.  We agreed that VTLs should be modeled primarily
> in userspace, but that doesn't automatically make punting everything to userspace
> the best option, especially given the discussion at KVM Forum with respect to
> mplementing VTLs, VMPLs, TD partitions, etc.

Since you mention it, Paolo said he was going to prep a doc with an
overview of the design we discussed there. Was it published? Did I miss
it?

Thanks,
Nicolas

  reply	other threads:[~2024-10-15 17:17 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-04 14:08 [PATCH 0/7] KVM: x86: Introduce new ioctl KVM_HYPERV_SET_TLB_FLUSH_INHIBIT Nikolas Wipper
2024-10-04 14:08 ` [PATCH 1/7] KVM: Add API documentation for KVM_HYPERV_SET_TLB_FLUSH_INHIBIT Nikolas Wipper
2024-10-10  8:57   ` Vitaly Kuznetsov
2024-10-04 14:08 ` [PATCH 2/7] KVM: x86: Implement Hyper-V's vCPU suspended state Nikolas Wipper
2024-10-10  8:57   ` Vitaly Kuznetsov
2024-10-14 17:50     ` Nikolas Wipper
2024-10-15  8:18       ` Vitaly Kuznetsov
2024-10-15 15:58         ` Sean Christopherson
2024-10-15 17:16           ` Nicolas Saenz Julienne [this message]
2024-10-15 17:51             ` Sean Christopherson
2024-10-15 17:40           ` Nikolas Wipper
2024-10-15 18:10             ` Sean Christopherson
2024-10-04 14:08 ` [PATCH 3/7] KVM: x86: Check vCPUs before enqueuing TLB flushes in kvm_hv_flush_tlb() Nikolas Wipper
2024-10-04 14:08 ` [PATCH 4/7] KVM: Introduce KVM_HYPERV_SET_TLB_FLUSH_INHIBIT Nikolas Wipper
2024-10-10  8:57   ` Vitaly Kuznetsov
2024-10-04 14:08 ` [PATCH 5/7] KVM: x86: Implement KVM_HYPERV_SET_TLB_FLUSH_INHIBIT Nikolas Wipper
2024-10-10  8:57   ` Vitaly Kuznetsov
2024-10-14 18:02     ` Nikolas Wipper
2024-10-04 14:08 ` [PATCH 6/7] KVM: x86: Add trace events to track Hyper-V suspensions Nikolas Wipper
2024-10-04 14:08 ` [PATCH 7/7] KVM: selftests: Add tests for KVM_HYPERV_SET_TLB_FLUSH_INHIBIT Nikolas Wipper
2024-10-14 23:36 ` [PATCH 0/7] KVM: x86: Introduce new ioctl KVM_HYPERV_SET_TLB_FLUSH_INHIBIT Sean Christopherson

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