Re: 2.6.24-rc2-mm1: kcryptd vs lockdep

[Herbert Xu]

Alasdair G Kergon <agk@xxxxxxxxxx> wrote:
> Also io->pending may need better protection - atomic, but missing memory
> barriers?  (May be getting away without sometimes due to side-effects of
> other function calls, but needs doing properly.)

If it's using atomic_dec_and_test then that comes with an implicit
memory barrier.

Cheers,
-- 
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