Subject: Re: [PATCH] vsock/virtio: use GFP_ATOMIC under RCU read lock

From: Jakub Kicinski <[email-masked]>
Date: Mon, 7 Oct 2024 08:39:20 -0700

On Wed, 2 Oct 2024 09:41:42 -0400 Michael S. Tsirkin wrote:
> virtio_transport_send_pkt in now called on transport fast path,
> under RCU read lock. In that case, we have a bug: virtio_add_sgs
> is called with GFP_KERNEL, and might sleep.
> 
> Pass the gfp flags as an argument, and use GFP_ATOMIC on
> the fast path.

Hi Michael! The To: [email-masked] doesn't give much info
on who you expect to apply this ;) Please let us know if you plan to
take it via your own tree, otherwise we'll ship it to Linus on Thu.