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Date: Fri, 29 Apr 2011 08:41:10 +0100 From: "Jan Beulich" <JBeulich@...ell.com> To: "David Miller" <davem@...emloft.net> Cc: <shemminger@...ux-foundation.org>, <bridge@...ts.linux-foundation.org>, <jeffm@...e.com>, <netdev@...r.kernel.org> Subject: Re: [PATCH] bridge: Module use count must be updated as bridges are created/destroyed >>> On 29.04.11 at 09:25, David Miller <davem@...emloft.net> wrote: > From: "Jan Beulich" <JBeulich@...ell.com> > Date: Fri, 29 Apr 2011 08:21:14 +0100 > >> Otherwise 'modprobe -r' on a module having a dependency on bridge will >> implicitly unload bridge, bringing down all connectivity that was using >> bridges. >> >> Signed-off-by: Jan Beulich <jbeulich@...ell.com> >> Cc: Jeff Mahoney <jeffm@...e.com> > > All network device drivers behave exactly the same way, when you rmmod > the thing we unconfigure all the routes, addresses, etc. going through > that device and let you unload it. > > And this behavior is very much intentional. > > Don't add an exception here. You talk of rmmod on the very module, but the issue is about modprobe -r on a dependent module. I cannot believe you consider it correct that *implicit* unloading of bridge.ko should happen when bridges are configured. If the solution proposed isn't satisfactory, can you suggest a better alternative still serving the purpose? Jan -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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