On Fri, Sep 18, 2015 at 02:07:38PM +0000, Porosanu Alexandru wrote: > > MAY_BACKLOG requests will fail once you run out of memory (f.i. backlogging using crypto_queue) > Now, for this patch requests will be dropped if there are no more "backlogging" slots available. > Would limiting the # of tfms w/MAY_BACKLOG associated with the driver to the # of backlogging slots be OK? Sure running out of memory is obviously a good reason to fail a request. But if you still have memory MAY_BACKLOG must not fail. Each tfm must be able to submit at least one MAY_BACKLOG request, that's the whole point of this flag. It's used for disk encryption where failing is not an option. Cheers, -- Email: Herbert Xu <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
