Re: [GIT PULL] tracing: use raw spinlocks for trace_vprintk
From: Steven Rostedt
Date: Wed Mar 11 2009 - 10:01:53 EST
On Wed, 11 Mar 2009, Steven Rostedt wrote:
>
> The above disable is exactly for NMIs. We should have preemption disabled
> here, and we disable this per cpu. If an NMI comes in after this point, it
> will exit the function without taking the lock. If it runs on another CPU,
> we really don't care. That's what NMIs are for ;-)
I have not had my first cup of coffee this morning yet. I meant to say:
That's what spinlocks are for ;-)
Bah!
-- Steve
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