From: "Michael S. Tsirkin" <mst@redhat.com>
To: David Hildenbrand <david@redhat.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>,
shan.gavin@gmail.com, virtualization@lists.linux-foundation.org
Subject: Re: [PATCH] drivers/virtio: Enable virtio mem for ARM64
Date: Tue, 18 Jan 2022 05:43:07 -0500 [thread overview]
Message-ID: <20220118054210-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <4fe8127e-6e24-64bd-c53b-bf4ffa15b4b4@redhat.com>
On Tue, Jan 18, 2022 at 09:38:21AM +0100, David Hildenbrand wrote:
> On 18.01.22 02:34, Gavin Shan wrote:
> > This enables virtio-mem device support by allowing to enable the
> > corresponding kernel config option (CONFIG_VIRTIO_MEM) on the
> > architecture.
> >
> > Signed-off-by: Gavin Shan <gshan@redhat.com>
> > ---
> > drivers/virtio/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
> > index 34f80b7a8a64..bf3f6ebdaa3b 100644
> > --- a/drivers/virtio/Kconfig
> > +++ b/drivers/virtio/Kconfig
> > @@ -106,7 +106,7 @@ config VIRTIO_BALLOON
> > config VIRTIO_MEM
> > tristate "Virtio mem driver"
> > default m
> > - depends on X86_64
> > + depends on X86_64 || ARM64
> > depends on VIRTIO
> > depends on MEMORY_HOTPLUG
> > depends on MEMORY_HOTREMOVE
>
> With MEMBLOCK_DRIVER_MANAGED in place upstream, kexec should be fine.
>
>
> Can you adjust/rephrase the comment as well? Like
>
> diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
> index 34f80b7a8a64..88028ca01c8f 100644
> --- a/drivers/virtio/Kconfig
> +++ b/drivers/virtio/Kconfig
> @@ -116,8 +116,9 @@ config VIRTIO_MEM
> This driver provides access to virtio-mem paravirtualized memory
> devices, allowing to hotplug and hotunplug memory.
>
> - This driver was only tested under x86-64, but should theoretically
> - work on all architectures that support memory hotplug and hotremove.
> + This driver was only tested under x86-64 and arm64, but should
> + theoretically work on all architectures that support memory hotplug and
> + hotremove.
>
> If unsure, say M.
>
>
>
> Acked-by: David Hildenbrand <david@redhat.com>
with this:
Acked-by: Michael S. Tsirkin <mst@redhat.com>
I guess I will merge this? It's a small change so - let's go for this
release straight away?
> --
> Thanks,
>
> David / dhildenb
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next prev parent reply other threads:[~2022-01-18 10:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-18 1:34 [PATCH] drivers/virtio: Enable virtio mem for ARM64 Gavin Shan
2022-01-18 8:38 ` David Hildenbrand
2022-01-18 8:42 ` Gavin Shan
[not found] ` <20220118092249.0000358c@Huawei.com>
2022-01-18 9:33 ` Gavin Shan
2022-01-18 10:43 ` Michael S. Tsirkin [this message]
2022-01-18 10:48 ` David Hildenbrand
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