Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote:
>
> I don't think you can use chained scatterlists unless the architecture
> supports it. It's not a case that you have to flatten the chaining
> before passing it over to the arch - it seems you're not allowed to
> create a chained scatterlist in the first place:
>
> static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
> struct scatterlist *sgl)
> {
> #ifndef ARCH_HAS_SG_CHAIN
> BUG();
> #endif
The crypto layer does its own chaining. However, this chaining
is not meant to be exposed to any external entities until generic
chaining has been ported everywhere.
Cheers,
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