From 5c317385aa997812acc4dd102c34f7d843bd7eb6 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sun, 17 Jul 2011 22:51:33 +0200 Subject: [PATCH 111/347] sched: Use the proper LOCK_OFFSET for cond_resched() Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz RT does not increment preempt count when a 'sleeping' spinlock is locked. Update PREEMPT_LOCK_OFFSET for that case. Signed-off-by: Thomas Gleixner --- include/linux/preempt.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/preempt.h b/include/linux/preempt.h index f7a17fcc3fec..b7fe717eb1f4 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -118,7 +118,11 @@ /* * The preempt_count offset after spin_lock() */ +#if !defined(CONFIG_PREEMPT_RT_FULL) #define PREEMPT_LOCK_OFFSET PREEMPT_DISABLE_OFFSET +#else +#define PREEMPT_LOCK_OFFSET 0 +#endif /* * The preempt_count offset needed for things like: -- 2.36.1