* [GIT PULL kcsan] KCSAN commits for v5.10
@ 2020-09-14 17:51 Paul E. McKenney
2020-10-09 6:45 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Paul E. McKenney @ 2020-09-14 17:51 UTC (permalink / raw)
To: mingo; +Cc: linux-kernel, kasan-dev, kernel-team, elver
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(-)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [GIT PULL kcsan] KCSAN commits for v5.10
2020-09-14 17:51 [GIT PULL kcsan] KCSAN commits for v5.10 Paul E. McKenney
@ 2020-10-09 6:45 ` Ingo Molnar
0 siblings, 0 replies; 2+ messages in thread
From: Ingo Molnar @ 2020-10-09 6:45 UTC (permalink / raw)
To: Paul E. McKenney
Cc: linux-kernel, kasan-dev, kernel-team, elver, Peter Zijlstra,
Thomas Gleixner
* Paul E. McKenney <paulmck@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
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2020-10-09 6:45 ` Ingo Molnar
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