Commit 45a5c8ba authored Nov 04, 2009 by Dhaval Giani Committed by Ingo Molnar Nov 04, 2009

sched: Add USER_SCHED to feature removal list

Peter Zijlstra suggested that we remove USER_SCHED at:

   http://lkml.org/lkml/2009/3/21/67



Removing USER_SCHED removes a lot of code from the scheduler
and simplifies the code.

We already have the ability to do user based classification
which is tightened using PAM in userspace.

Schedule USER_SCHED for removal in 2.6.34

Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: Serge E. Hallyn <serue@us.ibm.com>
Cc: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
LKML-Reference: <20091103214544.GI5495@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 9824a2b7

Documentation/feature-removal-schedule.txt

+15 −0

Original line number	Diff line number	Diff line
		@@ -6,6 +6,21 @@ be removed from this file.

		---------------------------

		What: USER_SCHED
		When: 2.6.34

		Why: USER_SCHED was implemented as a proof of concept for group scheduling.
		The effect of USER_SCHED can already be achieved from userspace with
		the help of libcgroup. The removal of USER_SCHED will also simplify
		the scheduler code with the removal of one major ifdef. There are also
		issues USER_SCHED has with USER_NS. A decision was taken not to fix
		those and instead remove USER_SCHED. Also new group scheduling
		features will not be implemented for USER_SCHED.

		Who: Dhaval Giani <dhaval@linux.vnet.ibm.com>

		---------------------------

		What: PRISM54
		When: 2.6.34