Hi: The function qat_rsa_enc maps req->phy_in with a length of 8 bytes, but the function qat_rsa_cb unmaps it with a length of 64 bytes. This causes the DMA API to generate warnings in debug mode. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt