On Tue, 22 Jul 2025 09:04:20 +0800 Jason Wang wrote: > On Tue, Jul 22, 2025 at 7:28 AM Jakub Kicinski <k...@kernel.org> wrote: > > On Fri, 18 Jul 2025 14:17:55 +0800 Cindy Lu wrote: > > > Subject: [PATCH RESEND] netvsc: transfer lower device max tso size > > > > You say RESEND but I don't see a link to previous posting anywhere.
Someone should respond to this part, please. > > I'd rather we didn't extend the magic behavior of hyperv/netvsc any > > further. > > Are you referring to the netdev coupling model of the VF acceleration? Yes, it tries to apply whole bunch of policy automatically in the kernel. > > We have enough problems with it. > > But this fixes a real problem, otherwise nested VM performance will be > broken due to the GSO software segmentation. Perhaps, possibly, a migration plan can be devised, away from the netvsc model, so we don't have to deal with nuggets of joy like: https://lore.kernel.org/all/1752870014-28909-1-git-send-email-haiya...@linux.microsoft.com/
