On Wed, 12 Jun 2019 at 15:58, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Jun 12, 2019 at 02:48:18PM +0200, Ard Biesheuvel wrote: > > > > All the patches leading up to that are cleanups for the AES code, to reduce > > the dependency on the generic table based AES code, or in some cases, hardcoded > > dependencies on the scalar arm64 asm code which suffers from the same problem. > > It also removes redundant key expansion routines, and gets rid of the x86 > > scalar asm code, which is a maintenance burden and is not actually faster than > > the generic code built with a modern compiler. > > Nice, I like this a lot. > > I presume you'll be converting the AES cipher users throughout > the kernel (such as net/ipv4/tcp_fastopen) at some point, right? > Yes. I am currently surveying which users need to switch to a proper mode, and which ones can just use the unoptimized library version (such as tcp_fastopen).
