* Paul E. McKenney <paul...@kernel.org> wrote:
> Hello, Ingo! > > This pull request contains KCSAN updates for v5.10. These have been > subjected to LKML review, most recently here: > > https://lore.kernel.org/lkml/20200831181715.GA1530@paulmck-ThinkPad-P72 > > All of these have also been subjected to the kbuild test robot and > -next testing. The following changes since v5.9-rc1 are available in > the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git kcsan > > for you to fetch changes up to cd290ec24633f51029dab0d25505fae7da0e1eda: > > kcsan: Use tracing-safe version of prandom (2020-08-30 21:50:13 -0700) > > ---------------------------------------------------------------- > Marco Elver (19): > kcsan: Add support for atomic builtins > objtool: Add atomic builtin TSAN instrumentation to uaccess whitelist > kcsan: Add atomic builtin test case > kcsan: Support compounded read-write instrumentation > objtool, kcsan: Add __tsan_read_write to uaccess whitelist > kcsan: Skew delay to be longer for certain access types > kcsan: Add missing CONFIG_KCSAN_IGNORE_ATOMICS checks > kcsan: Test support for compound instrumentation > instrumented.h: Introduce read-write instrumentation hooks > asm-generic/bitops: Use instrument_read_write() where appropriate > locking/atomics: Use read-write instrumentation for atomic RMWs > kcsan: Simplify debugfs counter to name mapping > kcsan: Simplify constant string handling > kcsan: Remove debugfs test command > kcsan: Show message if enabled early > kcsan: Use pr_fmt for consistency > kcsan: Optimize debugfs stats counters > bitops, kcsan: Partially revert instrumentation for non-atomic bitops > kcsan: Use tracing-safe version of prandom > > include/asm-generic/atomic-instrumented.h | 330 > ++++++++++----------- > include/asm-generic/bitops/instrumented-atomic.h | 6 +- > include/asm-generic/bitops/instrumented-lock.h | 2 +- > .../asm-generic/bitops/instrumented-non-atomic.h | 30 +- > include/linux/instrumented.h | 30 ++ > include/linux/kcsan-checks.h | 45 ++- > kernel/kcsan/core.c | 210 +++++++++++-- > kernel/kcsan/debugfs.c | 130 ++------ > kernel/kcsan/kcsan-test.c | 128 +++++++- > kernel/kcsan/kcsan.h | 12 +- > kernel/kcsan/report.c | 10 +- > kernel/kcsan/selftest.c | 8 +- > lib/Kconfig.kcsan | 5 + > scripts/Makefile.kcsan | 2 +- > scripts/atomic/gen-atomic-instrumented.sh | 21 +- > tools/objtool/check.c | 55 ++++ > 16 files changed, 677 insertions(+), 347 deletions(-) Pulled into tip:locking/core, thanks a lot Paul! Ingo