From: Peter Maydell <peter.maydell@linaro.org>
To: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: Christoffer Dall <cdall@linaro.org>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
kvm-devel <kvm@vger.kernel.org>,
Marc Zyngier <Marc.Zyngier@arm.com>,
Catalin Marinas <Catalin.Marinas@arm.com>,
Jason Wang <jasowang@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Will Deacon <Will.Deacon@arm.com>,
lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>,
Kristina Martsenko <Kristina.Martsenko@arm.com>,
arm-mail-list <linux-arm-kernel@lists.infradead.org>,
Paolo Bonzini <pbonzini@redhat.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>
Subject: Re: [PATCH v1 01/16] virtio: Validate queue pfn for 32bit transports
Date: Fri, 12 Jan 2018 10:21:48 +0000 [thread overview]
Message-ID: <CAFEAcA9KMWkTOd4w-QD8fsFs4UQJaNC4PMwPtHVS54ZLhHT72A@mail.gmail.com> (raw)
In-Reply-To: <2aacb81b-0efb-87b9-f70c-a61e66dd0331@arm.com>
On 10 January 2018 at 11:25, Jean-Philippe Brucker
<jean-philippe.brucker@arm.com> wrote:
> Hi Peter,
>
> On 10/01/18 11:19, Peter Maydell wrote:
>> Are there uses that make it worthwhile to get virtio-1
>> support added to virtio-mmio, rather than just getting
>> people to move over to virtio-pci instead ?
>
> virtio-iommu uses virtio-mmio transport. It makes little sense to have an
> IOMMU presented as a PCI endpoint.
Having an entire transport just for the IOMMU doesn't make
a great deal of sense either though :-) If we didn't already
have virtio-mmio kicking around would we really have designed
it that way?
thanks
-- PMM
next prev parent reply other threads:[~2018-01-12 10:21 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-09 19:03 [PATCH 00/16] kvm: arm64: Support for dynamic IPA size Suzuki K Poulose
2018-01-09 19:03 ` [PATCH v1 01/16] virtio: Validate queue pfn for 32bit transports Suzuki K Poulose
2018-01-09 23:29 ` Michael S. Tsirkin
2018-01-10 10:54 ` Suzuki K Poulose
2018-01-10 11:06 ` Michael S. Tsirkin
2018-01-10 11:18 ` Suzuki K Poulose
2018-01-10 11:19 ` Peter Maydell
2018-01-10 11:25 ` Jean-Philippe Brucker
2018-01-12 10:21 ` Peter Maydell [this message]
2018-01-12 11:01 ` Jean-Philippe Brucker
2018-01-10 11:30 ` Michael S. Tsirkin
2018-01-09 19:03 ` [PATCH v1 02/16] irqchip: gicv3-its: Add helpers for handling 52bit address Suzuki K Poulose
2018-02-07 15:10 ` Christoffer Dall
2018-02-08 11:20 ` Suzuki K Poulose
2018-02-08 11:36 ` Robin Murphy
2018-02-08 13:45 ` Christoffer Dall
2018-01-09 19:03 ` [PATCH v1 03/16] arm64: Make page table helpers reusable Suzuki K Poulose
2018-01-09 19:03 ` [PATCH v1 04/16] arm64: Refactor pud_huge for reusability Suzuki K Poulose
2018-01-09 19:04 ` [PATCH v1 05/16] arm64: Helper for parange to PASize Suzuki K Poulose
2018-02-08 11:00 ` Christoffer Dall
2018-02-08 11:08 ` Suzuki K Poulose
2018-02-08 11:21 ` Christoffer Dall
2018-01-09 19:04 ` [PATCH v1 06/16] kvm: arm/arm64: Fix stage2_flush_memslot for 4 level page table Suzuki K Poulose
2018-02-08 11:00 ` Christoffer Dall
2018-01-09 19:04 ` [PATCH v1 07/16] kvm: arm/arm64: Remove spurious WARN_ON Suzuki K Poulose
2018-02-08 11:00 ` Christoffer Dall
2018-01-09 19:04 ` [PATCH v1 08/16] kvm: arm/arm64: Clean up stage2 pgd life time Suzuki K Poulose
2018-02-08 11:00 ` Christoffer Dall
2018-02-08 17:19 ` Suzuki K Poulose
2018-02-09 8:11 ` Christoffer Dall
2018-01-09 19:04 ` [PATCH v1 09/16] kvm: arm/arm64: Delay stage2 page table allocation Suzuki K Poulose
2018-02-08 11:01 ` Christoffer Dall
2018-02-08 17:20 ` Suzuki K Poulose
2018-01-09 19:04 ` [PATCH v1 10/16] kvm: arm/arm64: Prepare for VM specific stage2 translations Suzuki K Poulose
2018-01-09 19:04 ` [PATCH v1 11/16] kvm: arm64: Make stage2 page table layout dynamic Suzuki K Poulose
2018-01-09 19:04 ` [PATCH v1 12/16] kvm: arm64: Dynamic configuration of VTCR and VTTBR mask Suzuki K Poulose
2018-01-09 19:04 ` [PATCH v1 13/16] kvm: arm64: Configure VTCR per VM Suzuki K Poulose
2018-02-08 18:04 ` Christoffer Dall
2018-03-15 15:24 ` Suzuki K Poulose
2018-01-09 19:04 ` [PATCH v1 14/16] kvm: arm64: Switch to per VM IPA Suzuki K Poulose
2018-02-08 11:00 ` Christoffer Dall
2018-02-08 17:22 ` Suzuki K Poulose
2018-02-09 8:12 ` Christoffer Dall
2018-01-09 19:04 ` [PATCH v1 15/16] kvm: arm64: Allow configuring physical address space size Suzuki K Poulose
2018-02-08 11:14 ` Christoffer Dall
2018-02-08 17:53 ` Suzuki K Poulose
2018-02-09 8:16 ` Christoffer Dall
2018-02-09 9:27 ` Andrew Jones
2018-03-15 11:06 ` Suzuki K Poulose
2018-01-09 19:04 ` [PATCH v1 16/16] vgic: its: Add support for 52bit guest physical address Suzuki K Poulose
2018-01-09 19:04 ` [kvmtool hack 1/3] virtio: Handle aborts using invalid PFN Suzuki K Poulose
2018-01-09 19:04 ` [kvmtool hack 2/3] kvmtool: arm64: Add support for guest physical address size Suzuki K Poulose
2018-01-09 19:04 ` [kvmtool hack 3/3] kvmtool: arm64: Switch memory layout Suzuki K Poulose
2018-02-08 11:18 ` [PATCH 00/16] kvm: arm64: Support for dynamic IPA size Christoffer Dall
2018-02-08 11:25 ` Will Deacon
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