linux-kernel - [PATCH] nds32: add a Kconfig symbol for LOCKDEP

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Message-Id: <20210517031354.9646-1-rdunlap@infradead.org>
Date:   Sun, 16 May 2021 20:13:54 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Nick Hu <nickhu@...estech.com>,
        Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] nds32: add a Kconfig symbol for LOCKDEP_SUPPORT

Each architecture (arch/) should define its own LOCKDEP_SUPPORT
Kconfig symbol (if it is needed). arch/nds32/ is the only one
that does "select LOCKDEP_SUPPORT", which is basically a no-op
since the symbol is not defined. (It might be nice for kconfig
to warn about that.)

Add a "config LOCKDEP_SUPPORT" to arch/nds32/Kconfig to correct
this issue.

Since the current Kconfig file selects LOCKDEP_SUPPORT unconditionally,
use "def_bool y" to set/enable it always.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Nick Hu <nickhu@...estech.com>
Cc: Greentime Hu <green.hu@...il.com>
Cc: Vincent Chen <deanbo422@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 arch/nds32/Kconfig |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- linux-next-20210514.orig/arch/nds32/Kconfig
+++ linux-next-20210514/arch/nds32/Kconfig
@@ -36,7 +36,6 @@ config NDS32
 	select HAVE_REGS_AND_STACK_ACCESS_API
 	select HAVE_PERF_EVENTS
 	select IRQ_DOMAIN
-	select LOCKDEP_SUPPORT
 	select MODULES_USE_ELF_RELA
 	select OF
 	select OF_EARLY_FLATTREE
@@ -64,6 +63,9 @@ config GENERIC_LOCKBREAK
 	def_bool y
 	depends on PREEMPTION
 
+config LOCKDEP_SUPPORT
+	def_bool y
+
 config TRACE_IRQFLAGS_SUPPORT
 	def_bool y