On Fri, Aug 24, 2018 at 09:00:00AM -0400, Mikulas Patocka wrote: > > BTW. gcmaes_crypt_by_sg also contains GFP_ATOMIC and -ENOMEM, behind a > pretty complex condition. Do you mean that this condition is part of the > contract that the crypto API provides? This is an implementation defect. I think for this case we should fall back to software GCM if the accelerated version fails. > Should "req->src->offset + req->src->length < PAGE_SIZE" use "<=" instead? > Because if the data ends up at page boundary, it will use the atomic > allocation that can fail. This condition does look strange. It's introduced by the commit e845520707f85c539ce04bb73c6070e9441480be. Dave, what exactly is it meant to do? Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
