From c6ee36c423c3ed1fb86bb3eabba9fc256a300d16 Mon Sep 17 00:00:00 2001 From: Mike Galbraith Date: Thu, 11 Mar 2010 17:16:43 +0100 Subject: sched: Remove SYNC_WAKEUPS feature Sync wakeups are critical functionality with a long history. Remove it, we don't need the branch or icache footprint. Signed-off-by: Mike Galbraith Signed-off-by: Peter Zijlstra LKML-Reference: <1268301817.6785.47.camel@marge.simson.net> Signed-off-by: Ingo Molnar --- kernel/sched_features.h | 8 -------- 1 file changed, 8 deletions(-) (limited to 'kernel/sched_features.h') diff --git a/kernel/sched_features.h b/kernel/sched_features.h index 1cb7c47..f54b6f9 100644 --- a/kernel/sched_features.h +++ b/kernel/sched_features.h @@ -23,14 +23,6 @@ SCHED_FEAT(WAKEUP_PREEMPT, 1) SCHED_FEAT(ASYM_GRAN, 1) /* - * Use the SYNC wakeup hint, pipes and the likes use this to indicate - * the remote end is likely to consume the data we just wrote, and - * therefore has cache benefit from being placed on the same cpu, see - * also AFFINE_WAKEUPS. - */ -SCHED_FEAT(SYNC_WAKEUPS, 1) - -/* * Based on load and program behaviour, see if it makes sense to place * a newly woken task on the same cpu as the task that woke it -- * improve cache locality. Typically used with SYNC wakeups as -- cgit v1.1