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kcsan: Simplify compiler flags

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Simplify the set of compiler flags for the runtime by removing cc-option
from -fno-stack-protector, because all supported compilers support it.
This saves us one compiler invocation during build.

Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Marco Elver 2020-06-18 11:31:17 +02:00 committed by Paul E. McKenney
parent e68dcd8eac
commit 2839a23207
1 changed files with 2 additions and 2 deletions
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4
kernel/kcsan/Makefile
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@ -7,8 +7,8 @@ CFLAGS_REMOVE_core.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_debugfs.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE)
CFLAGS_core.o := $(call cc-option,-fno-conserve-stack,) \
$(call cc-option,-fno-stack-protector,)
CFLAGS_core.o := $(call cc-option,-fno-conserve-stack) \
-fno-stack-protector
obj-y := core.o debugfs.o report.o
obj-$(CONFIG_KCSAN_SELFTEST) += selftest.o