Re: [PATCH v2] um: Rewrite host RNG driver.

From: Alexander Neville
Date: Thu Aug 29 2019 - 16:56:46 EST


On Thu, 29 Aug 2019 20:48:33 +0200 (CEST), Richard Weinberger <richard@xxxxxx> wrote:

> ----- UrsprÃngliche Mail -----
> > Von: "Dark" <dark@xxxxxxxxxxx>
> > + // Returning -EAGAIN to userspace is not nice.
> > + if (err == -EAGAIN)
> > + return 0;
>
> Hmm, doesn't this result in a short read?
> The current drives sets the calling task to sleep and wakes
> it up as soon data is available again. I'd assumes ti have the
> same behavior for the new driver.
>
> Thanks,
> //richard

Clearly this patch needs a lot more work before I submit it. I'll
take some time to polish it up and then resubmit it if that's fine.