On Fri, Jun 22, 2007 at 02:29:48PM +0200, Sebastian Siewior wrote: > > >What will prevent crypto user from filling that queue with crypto > >requests more and more when hardware is not capable to work with such > >rate? > > Nothing, the hw signalizes with -EBUSY such a state and the crypto user > has to slow down. > If the crypto user continues such a behavior, the system will go OOM > (this is atleast my understanding). Yes, we're assuming that each tfm will only use MAY_BACKLOG once so we don't actually need to allocate memory for it at request time. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html