Re: [RFC] tcp: race in receive part
From: Oleg Nesterov
Date: Tue Jun 23 2009 - 18:59:47 EST
(Off-topic)
On 06/23, Eric Dumazet wrote:
>
> The optimization we could do, defining
> a smp_mb_after_read_lock() that could be a nop on x86
Imho it would be nice to have smp_mb__before/after_lock.
insert_work(), __pte_alloc(), try_to_wake_up() could use it. Probably
something else.
Oleg.
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