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Subject[GIT PULL kcsan] KCSAN commits for v5.7
Hello, Ingo,

This pull request contains KCSAN updates for v5.7.

https://lore.kernel.org/lkml/20200309190359.GA5822@paulmck-ThinkPad-P72/

All of these have been subjected to the kbuild test robot and -next
testing, and are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git kcsan-for-mingo

for you to fetch changes up to 31bbbb841768f369301d6f65782dffd65d22aa5b:

kcsan, trace: Make KCSAN compatible with tracing (2020-03-09 13:18:49 -0700)

----------------------------------------------------------------
Marco Elver (25):
kcsan: Prefer __always_inline for fast-path
kcsan: Show full access type in report
kcsan: Rate-limit reporting per data races
kcsan: Make KCSAN compatible with lockdep
kcsan: Address missing case with KCSAN_REPORT_VALUE_CHANGE_ONLY
include/linux: Add instrumented.h infrastructure
asm-generic, atomic-instrumented: Use generic instrumented.h
asm-generic, kcsan: Add KCSAN instrumentation for bitops
iov_iter: Use generic instrumented.h
copy_to_user, copy_from_user: Use generic instrumented.h
kcsan: Add option to assume plain aligned writes up to word size are atomic
kcsan: Clarify Kconfig option KCSAN_IGNORE_ATOMICS
kcsan: Cleanup of main KCSAN Kconfig option
kcsan: Fix 0-sized checks
kcsan: Introduce KCSAN_ACCESS_ASSERT access type
kcsan: Introduce ASSERT_EXCLUSIVE_* macros
kcsan: Add test to generate conflicts via debugfs
kcsan: Expose core configuration parameters as module params
kcsan: Fix misreporting if concurrent races on same address
kcsan: Move interfaces that affects checks to kcsan-checks.h
compiler.h, seqlock.h: Remove unnecessary kcsan.h includes
kcsan: Introduce kcsan_value_change type
kcsan: Add kcsan_set_access_mask() support
kcsan: Introduce ASSERT_EXCLUSIVE_BITS(var, mask)
kcsan, trace: Make KCSAN compatible with tracing

Paul E. McKenney (1):
kcsan: Add docbook header for data_race()

arch/x86/lib/Makefile | 5 +
include/asm-generic/atomic-instrumented.h | 395 ++++++++++-----------
include/asm-generic/bitops/instrumented-atomic.h | 14 +-
include/asm-generic/bitops/instrumented-lock.h | 10 +-
.../asm-generic/bitops/instrumented-non-atomic.h | 16 +-
include/linux/compiler.h | 16 +-
include/linux/instrumented.h | 109 ++++++
include/linux/kcsan-checks.h | 174 ++++++++-
include/linux/kcsan.h | 46 +--
include/linux/seqlock.h | 2 +-
include/linux/uaccess.h | 14 +-
init/init_task.c | 1 +
kernel/kcsan/Makefile | 2 +
kernel/kcsan/atomic.h | 2 +-
kernel/kcsan/core.c | 183 ++++++++--
kernel/kcsan/debugfs.c | 65 +++-
kernel/kcsan/encoding.h | 14 +-
kernel/kcsan/kcsan.h | 33 +-
kernel/kcsan/report.c | 255 +++++++++++--
kernel/kcsan/test.c | 10 +
kernel/locking/Makefile | 3 +
kernel/trace/Makefile | 3 +
lib/Kconfig.kcsan | 70 +++-
lib/iov_iter.c | 7 +-
lib/usercopy.c | 7 +-
scripts/atomic/gen-atomic-instrumented.sh | 19 +-
26 files changed, 1068 insertions(+), 407 deletions(-)
create mode 100644 include/linux/instrumented.h

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