[PATCH 0/3] kcsan: Re-add GCC support, and compiler flags improvements

From: Marco Elver
Date: Thu Jun 18 2020 - 05:32:04 EST


Re-add GCC as a supported compiler and clean up compiler flags.

To use KCSAN with GCC before GCC 11 is released, the following will get
a stable GCC 10 and cherry-pick the patches required for KCSAN support:

git clone git://gcc.gnu.org/git/gcc.git && cd gcc
git checkout -b gcc-10-for-kcsan releases/gcc-10.1.0
git cherry-pick \
4089df8ef4a63126b0774c39b6638845244c20d2 \
ab2789ec507a94f1a75a6534bca51c7b39037ce0 \
06712fc68dc9843d9af7c7ac10047f49d305ad76
./configure --prefix <your-prefix> --enable-languages=c,c++
make -j$(nproc) && make install

Marco Elver (3):
kcsan: Re-add GCC as a supported compiler
kcsan: Simplify compiler flags
kcsan: Disable branch tracing in core runtime

Documentation/dev-tools/kcsan.rst | 3 ++-
kernel/kcsan/Makefile | 4 ++--
lib/Kconfig.kcsan | 3 ++-
scripts/Makefile.kcsan | 2 +-
4 files changed, 7 insertions(+), 5 deletions(-)

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2.27.0.290.gba653c62da-goog