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| author | Marco Elver <elver@google.com> | 2019-11-14 19:03:03 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2019-11-16 07:23:16 -0800 |
| commit | 40d04110f87940b6a03bf0aa19cd29e84f465f20 (patch) | |
| tree | 85a7f42366dc040bad8e13608ce21c01d0a2222f /arch/x86/kernel/cpu/Makefile | |
| parent | e75a6795ed132f26f69d08dea958630d5993056d (diff) | |
| download | linux-stable-40d04110f87940b6a03bf0aa19cd29e84f465f20.tar.gz linux-stable-40d04110f87940b6a03bf0aa19cd29e84f465f20.tar.bz2 linux-stable-40d04110f87940b6a03bf0aa19cd29e84f465f20.zip | |
x86, kcsan: Enable KCSAN for x86
This patch enables KCSAN for x86, with updates to build rules to not use
KCSAN for several incompatible compilation units.
Signed-off-by: Marco Elver <elver@google.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/Makefile')
| -rw-r--r-- | arch/x86/kernel/cpu/Makefile | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index d7a1e5a9331c..1f1b0edc0187 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -13,6 +13,9 @@ endif KCOV_INSTRUMENT_common.o := n KCOV_INSTRUMENT_perf_event.o := n +# As above, instrumenting secondary CPU boot code causes boot hangs. +KCSAN_SANITIZE_common.o := n + # Make sure load_percpu_segment has no stackprotector nostackp := $(call cc-option, -fno-stack-protector) CFLAGS_common.o := $(nostackp) |