[patch] Kconfig.debug DEBUG_PREEMPT dependency

[maximilian attems]

allow to set DEBUG_PREEMPT on PREEMPT_BKL, but !PREEMPT
purpose is to get bonus of debug_smp_processor_id().

Signed-off-by: maximilian attems <max@xxxxxxx>

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index da95e10..1d4ab66 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -145,7 +145,7 @@ config DEBUG_SLAB_LEAK
 
 config DEBUG_PREEMPT
 	bool "Debug preemptible kernel"
-	depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT
+	depends on DEBUG_KERNEL && (PREEMPT || PREEMPT_BKL) && TRACE_IRQFLAGS_SUPPORT
 	default y
 	help
 	  If you say Y here then the kernel will use a debug variant of the
-
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