On Sun, Jun 18, 2017 at 10:00:17PM -0700, Mike Frysinger wrote: > > in order to make tpm-rng react in the way you're implying, the TPM > subsystem would need to add a notification chain for transitions from > none<->some devices, then tpm-rng could subscribe to that, and during > those transition points, it would call hwrng_register/hwrng_unregister > to make itself visible accordingly to the hwrng subsystem. maybe > someone on the TPM side would be interested in writing all that logic, > but it sounds excessive for this minor usage. the current tpm-rng > driver is *extremely* simple -- it's 3 funcs, each of which are 1 > line. It's simple and it's broken, as far as the way it hooks into the hwrng is concerned. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
