Re: [PATCH 03/18] tty: Simplify tty buffer/ldisc interface with helperfunction
From: Ilya Zykov
Date: Wed Mar 20 2013 - 15:25:37 EST
On 20.03.2013 21:49, Peter Hurley wrote:
> The motivation for changing the workqueue api to allow parallel work
> items on SMP was to fix a class of deadlocks where forward progress
> could not be made due to subtle dependencies between work items
> (actually that potential still exists with self-modifying work-items,
> ie., work items that change their function).
> The tty layer would need a detailed and thorough analysis of potential
> dependencies to avoid creating problems. The drivers that use work items
> might need examination as well.
Sorry, but I don't understand.
My knowledge is very weak.
We say about three works:
hangup_work, SAK_work, buf.work
or anything else?
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