Re: [RFC][PATCH] fs: optimize inotify/fsnotify code for unwatched files

From: Peter Zijlstra
Date: Mon Jun 22 2015 - 15:03:34 EST

On Mon, Jun 22, 2015 at 09:29:49AM -0700, Paul E. McKenney wrote:

> I believe that there still are some cases. But why would offline
> CPUs seem so iffy? CPUs coming up execute code before they are fully
> operational, and during that time, much of the kernel views them as
> being offline. Yet they do have to execute significant code in order
> to get themselves set up.

I'm thinking we do far too much during bringup and tear-down as it is.
But yes maybe.
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