linux-kernel - Re: How to disable Lazy Preempt in the kernel

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Message-ID: <1403197556.4872.21.camel@marge.simpson.net>
Date:	Thu, 19 Jun 2014 19:05:56 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	tdjames <tdjames@....edu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: How to disable Lazy Preempt in the kernel

On Thu, 2014-06-19 at 08:49 -0700, tdjames wrote: 
> When I use 
> echo NO_PREEMPT_LAZY >/sys/kernel/debug/sched_features
> (as root), I get the following error:
> 
> bash: echo: write error: Invalid argument
> 
> How do I get past this?  Thanks

Easy, do.. nothing.  (it's build-time disabled on x86_64;)

-Mike


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