Re: [PATCH net-next v5 3/3] selftests/net: devmem.py: add check_rx_large_niov

[Bobby Eshleman]

On Fri, Jul 24, 2026 at 03:07:16PM -0700, Jakub Kicinski wrote:
> On Fri, 24 Jul 2026 14:41:47 -0700 Stanislav Fomichev wrote:
> > > > Talked to Stan and he mentioned the original idea was not necessarily
> > > > just for link down, but any test that could be considered disruptive to
> > > > other tests, with the idea to eventually introduce some scheduling
> > > > (postpone disruptive until the end).  
> > > 
> > > Perhaps have such conversations on the list? IDK what Stan has in mind.  
> > 
> > I don't have much to add so I didn't post on the list. In my mind, disruptive
> > started as "anything that can lead to a soft reset". But since the
> > sockets tend to survive these well, I do agree that your definition
> > of "link goes down" is a better fit.
> 
> My recollection was basically that the test is not safe to run over
> SSH (without tmux). Hence the link down concern. If we say soft reset
> that'd cover 95% of the tests so it's not very useful.
> 
> The existing doc and README already document the link down AFAICT.

Indeed, so I'll just test and confirm if devmem's existing
ksft_disruptive tests do or can cause link down, and submit a patch
removing for those that don't.