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Message-ID: <Y5OQ8jQsK2Dz8tPy@google.com>
Date: Fri, 9 Dec 2022 19:48:02 +0000
From: Carlos Llamas <cmllamas@...gle.com>
To: Stefano Garzarella <sgarzare@...hat.com>
Cc: Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org,
Ram Muthiah <rammuthiah@...gle.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
Stefan Hajnoczi <stefanha@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
netdev@...r.kernel.org, jiang.wang@...edance.com
Subject: Re: [PATCH 1/1] virtio/vsock: Make vsock virtio packet buff size
configurable
On Thu, Jul 22, 2021 at 02:55:19PM +0200, Stefano Garzarella wrote:
> >
> > +uint virtio_transport_max_vsock_pkt_buf_size = 1024 * 64;
> > +module_param(virtio_transport_max_vsock_pkt_buf_size, uint, 0444);
> > +EXPORT_SYMBOL_GPL(virtio_transport_max_vsock_pkt_buf_size);
> > +
I'm interested on this functionality, so I could take this on.
>
> Maybe better to add an entry under sysfs similar to what Jiang proposed
> here:
> https://lists.linuxfoundation.org/pipermail/virtualization/2021-June/054769.html
Having a look at Jiang's RFC patch it seems the proposed sysfs node
hangs off from the main kernel object e.g. /sys/kernel. So I wonder if
there is a more appropriate parent for this knob?
Also, I noticed that Ram's patch here is using read-only permissions for
the module parameter and switching to sysfs would mean opening this knob
up to be dynamically configured? I'd need to be careful here.
--
Carlos Llamas
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