Re: [PATCH 3/3] kref: Remove the memory barriers

[Ming Lei]

On Mon, Dec 12, 2011 at 6:12 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> I don't know the driver model, and I don't plan to start learning it
> now. But if what you said is possible its broken and no memory barriers
> will fix it.

IMO, you don't need to learn it, and my example is very simple and common
kref usage in device drivers, :-)

Could we only focus on it and see what is problem? and why won't memory
barrier fix it?

Anyway, device drivers are the most consumers of kref...

thanks,
-- 
Ming Lei
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