On Sat, 20 Jun 2020, Herbert Xu wrote:
> On Fri, Jun 19, 2020 at 02:39:39PM -0400, Mikulas Patocka wrote:
> >
> > I'm looking at this and I'd like to know why does the crypto API fail in
> > hard-irq context and why does it work in tasklet context. What's the exact
> > reason behind this?
>
> You're not supposed to do any real work in IRQ handlers. All
> the substantial work should be postponed to softirq context.
I see.
BTW - should it also warn if it is running in a process context with
interrupts disabled?
Mikulas
> Why do you need to do work in hard IRQ context?
>
> Cheers,
> --
> Email: Herbert Xu <herb...@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
>
