From: Peter Maydell <peter.maydell@linaro.org>
To: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: qemu-devel@nongnu.org, alex.bennee@linaro.org,
qemu-arm@nongnu.org, "Michael S . Tsirkin" <mst@redhat.com>,
Ben Widawsky <bwidawsk@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
linux-cxl@vger.kernel.org, linuxarm@huawei.com,
Marcel Apfelbaum <marcel@redhat.com>,
Igor Mammedov <imammedo@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
Adam Manzanares <a.manzanares@samsung.com>,
Tong Zhang <ztong0001@gmail.com>,
Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
Subject: Re: [PATCH v11 1/2] hw/arm/virt: Basic CXL enablement on pci_expander_bridge instances pxb-cxl
Date: Fri, 24 Jun 2022 13:56:32 +0100 [thread overview]
Message-ID: <CAFEAcA8GA+ZXr2eS9bVxnhZRtda17Wx0Ud8CfcA90T6yiaecew@mail.gmail.com> (raw)
In-Reply-To: <20220624133909.00005f6e@Huawei.com>
On Fri, 24 Jun 2022 at 13:39, Jonathan Cameron
<Jonathan.Cameron@huawei.com> wrote:
>
> On Fri, 24 Jun 2022 11:48:47 +0100
> Peter Maydell <peter.maydell@linaro.org> wrote:
> >
> > This seems to be missing code to advertise the new devices in the
> > device tree.
>
> Intentionally. I am not aware of any current interest
> in defining DT support CXL or supporting it in operating systems.
> Easy enough to add if anyone does the leg work to figure out the
> bindings, but that needs to come from someone who cares and
> would need to be driven by OS support and a usecase. The ACPI
> stuff here is defined as part of the main CXL spec because the
> target class of machines simply doesn't generally use DT.
I don't really want new devices in the virt board that aren't
usable in the common use case of "just pass a kernel with -kernel"...
-- PMM
next prev parent reply other threads:[~2022-06-24 12:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-16 14:19 [PATCH v11 0/2] arm/virt: CXL support via pxb_cxl Jonathan Cameron via
2022-06-16 14:19 ` [PATCH v11 1/2] hw/arm/virt: Basic CXL enablement on pci_expander_bridge instances pxb-cxl Jonathan Cameron via
2022-06-24 10:48 ` Peter Maydell
2022-06-24 12:39 ` Jonathan Cameron via
2022-06-24 12:56 ` Peter Maydell [this message]
2022-06-24 14:08 ` Jonathan Cameron via
2022-06-24 14:54 ` Jonathan Cameron via
2022-06-24 15:01 ` Peter Maydell
2022-06-24 15:59 ` Jonathan Cameron via
2022-06-16 14:19 ` [PATCH v11 2/2] qtest/cxl: Add aarch64 virt test for CXL Jonathan Cameron via
2022-06-24 10:41 ` Peter Maydell
2022-06-24 16:12 ` Peter Maydell
2022-06-24 17:59 ` Jonathan Cameron via
2022-06-24 9:07 ` [PATCH v11 0/2] arm/virt: CXL support via pxb_cxl Jonathan Cameron via
-- strict thread matches above, loose matches on Subject: below --
2022-05-20 16:37 [PATCH v11 0/2] hw/arm/virt: CXL 2.0 emulation support Jonathan Cameron via
2022-05-20 16:37 ` [PATCH v11 1/2] hw/arm/virt: Basic CXL enablement on pci_expander_bridge instances pxb-cxl Jonathan Cameron via
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