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SubjectRe: [RFC PATCH] kernel: allow to configure PREEMPT_NONE, PREEMPT_VOLUNTARY on kernel command line
On Wed, Oct 07, 2020 at 02:04:01PM +0200, Michal Hocko wrote:
> From: Michal Hocko <mhocko@suse.com>
>
> Many people are still relying on pre built distribution kernels and so
> distributions have to provide mutliple kernel flavors to offer different
> preemption models. Most of them are providing PREEMPT_NONE for typical
> server deployments and PREEMPT_VOLUNTARY for desktop users.

Is there actually a benefit to NONE? We were recently talking about
removing it.

The much more interesting (runtime) switch (IMO) would be between
VOLUNTARY and PREEMPT.

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