CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Juri Lelli <juri.le...@redhat.com>
Cc: Vincent Guittot <vincent.guit...@linaro.org>
Cc: Dietmar Eggemann <dietmar.eggem...@arm.com>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Ben Segall <bseg...@google.com>
Cc: Mel Gorman <mgor...@suse.de>
Cc: Daniel Bristot de Oliveira <bris...@redhat.com>
---
kernel/sched/core.c | 6 +-----
lib/Kconfig.debug | 1 -
2 files changed, 1 insertion(+), 6 deletions(-)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3706,8 +3706,7 @@ asmlinkage __visible void schedule_tail(
* finish_task_switch() for details.
*
* finish_task_switch() will drop rq->lock() and lower preempt_count
- * and the preempt_enable() will end up enabling preemption (on
- * PREEMPT_COUNT kernels).
+ * and the preempt_enable() will end up enabling preemption.
*/
rq = finish_task_switch(prev);
@@ -7311,9 +7310,6 @@ void __cant_sleep(const char *file, int
if (irqs_disabled())
return;
- if (!IS_ENABLED(CONFIG_PREEMPT_COUNT))
- return;
-
if (preempt_count() > preempt_offset)
return;
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1320,7 +1320,6 @@ config DEBUG_LOCKDEP
config DEBUG_ATOMIC_SLEEP
bool "Sleep inside atomic section checking"
- select PREEMPT_COUNT
depends on DEBUG_KERNEL
help
If you say Y here, various routines which may sleep will become very
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