Re: [PATCH] Doc: lockdep: add information about performance impact

From: Peter Zijlstra
Date: Tue Oct 09 2018 - 11:44:16 EST

On Tue, Oct 09, 2018 at 05:39:27PM +0200, Lukasz Luba wrote:
> This patch add some warning related to performance drop.
> It should be mentioned that this is not for free
> and the platfrom resources (cache, bus interconnect, etc.)
> will be used more frequently.

To me this reads a bit like: water is wet.

Is this really needed?