[PATCH 05/16] lockdep: Cleanup PREEMPT_COUNT leftovers

From: Uladzislau Rezki (Sony)
Date: Thu Oct 29 2020 - 12:51:41 EST


From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Acked-by: Will Deacon <will@xxxxxxxxxx>
[ Rezki: Adopted for 5.10.0-rc1 kernel. ]
Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
---
include/linux/lockdep.h | 6 ++----
lib/Kconfig.debug | 1 -
2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index f5594879175a..d05db575f60f 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -580,16 +580,14 @@ do { \

#define lockdep_assert_preemption_enabled() \
do { \
- WARN_ON_ONCE(IS_ENABLED(CONFIG_PREEMPT_COUNT) && \
- __lockdep_enabled && \
+ WARN_ON_ONCE(__lockdep_enabled && \
(preempt_count() != 0 || \
!this_cpu_read(hardirqs_enabled))); \
} while (0)

#define lockdep_assert_preemption_disabled() \
do { \
- WARN_ON_ONCE(IS_ENABLED(CONFIG_PREEMPT_COUNT) && \
- __lockdep_enabled && \
+ WARN_ON_ONCE(__lockdep_enabled && \
(preempt_count() == 0 && \
this_cpu_read(hardirqs_enabled))); \
} while (0)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 89c9a177fb9b..03a85065805e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1159,7 +1159,6 @@ config PROVE_LOCKING
select DEBUG_RWSEMS
select DEBUG_WW_MUTEX_SLOWPATH
select DEBUG_LOCK_ALLOC
- select PREEMPT_COUNT
select TRACE_IRQFLAGS
default n
help
--
2.20.1