On Thu, Sep 26, 2019 at 8:54 PM Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, Sep 26, 2019 at 07:54:03PM -0700, Linus Torvalds wrote: > > > > Side note: almost nobody does this. > > > > Almost every single async interface I've ever seen ends up being "only > > designed for async". > > > > And I think the reason is that everybody first does the simply > > synchronous interfaces, and people start using those, and a lot of > > people are perfectly happy with them. They are simple, and they work > > fine for the huge majority of users. > > The crypto API is not the way it is because of async. In fact, the > crypto API started out as sync only and async was essentially > bolted on top with minimial changes. Then what's up with the insistence on using physical addresses for so many of the buffers? --Andy
