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Subject[PATCH tip/core/rcu 04/30] rcu: Provide debug symbols and line numbers in KCSAN runs
Date
From: "Paul E. McKenney" <paulmck@kernel.org>

This commit adds "-g -fno-omit-frame-pointer" to ease interpretation
of KCSAN output, but only for CONFIG_KCSAN=y kerrnels.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
kernel/rcu/Makefile | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/kernel/rcu/Makefile b/kernel/rcu/Makefile
index 82d5fba..f91f2c2 100644
--- a/kernel/rcu/Makefile
+++ b/kernel/rcu/Makefile
@@ -3,6 +3,10 @@
# and is generally not a function of system call inputs.
KCOV_INSTRUMENT := n

+ifeq ($(CONFIG_KCSAN),y)
+KBUILD_CFLAGS += -g -fno-omit-frame-pointer
+endif
+
obj-y += update.o sync.o
obj-$(CONFIG_TREE_SRCU) += srcutree.o
obj-$(CONFIG_TINY_SRCU) += srcutiny.o
--
2.9.5
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