Re: [PATCH] crypto: lib/chacha20poly1305 - Set SG_MITER_ATOMIC unconditionally

[Herbert Xu]

On Tue, Sep 15, 2020 at 01:08:31PM +0300, Ard Biesheuvel wrote:
>
> But making atomic kmap preemptible/sleepable creates the exact same
> problem, i.e., that we have no idea which existing callers are
> currently relying on those preemption disabling semantics, so we can't
> just take them away. Or am I missing something?

Good point.

Thomas mentioned that RT has been doing this for a while now so
perhaps someone has studied this problem already? Thomas?

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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