Re: [PATCH net v2] eth: fbnic: Keep real queue counts synchronized

From: Breno Leitao

Date: Fri Sep 25 2026 - 04:24:35 EST


Hello Björn,

On Thu, Sep 24, 2026 at 09:18:15PM +0200, Björn Töpel wrote:
> If resume gets fewer vectors than the configured
> layout needs, fail with -ENOSPC rather than silently change the queue
> configuration and its bindings. The netdev then stays detached until a
> later recovery or a device reprobe.

I am a bit surprised that I is better to get the device permanetly
disconnected other than just getting it running with fewer queues on
resume.

What is reprobing it later?
> Fixes: da43127a8edc ("eth: fbnic: support queue ops / zero-copy Rx")
> Reported-by: Sashiko <netdev-bot+sashiko@xxxxxxxxxx> Link:
> https://lore.kernel.org/netdev/178915061000.219967.7726187707862333281@xxxxxxxxxx/
> Signed-off-by: Björn Töpel <bjorn@xxxxxxxxxx>

Reviewed-by: Breno Leitao <leitao@xxxxxxxxxx>

PS: The question above shouldn't block the merge of the patch, it is
just for my own curiosity.