Re: [RFC] [PATCH] Pre-emption control for userspace

From: Khalid Aziz
Date: Wed Mar 05 2014 - 12:11:01 EST


On 03/05/2014 09:12 AM, Oleg Nesterov wrote:
On 03/05, Oleg Nesterov wrote:

You added /proc/sched_preempt_delay to avoid the syscall. I think it
would be better to simply add vdso_sched_preempt_delay() instead.

I am stupid. vdso_sched_preempt_delay() obviously can't write to, say,
task_struct.

Oleg.


That is easy to miss :) I had looked into vdso when I started but found out I can't use vdso for this.

--
Khalid
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