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| author | Ingo Molnar <mingo@kernel.org> | 2019-11-19 19:54:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-11-19 19:56:28 +0100 |
| commit | 8e1d58ae0c8d4af9ab0141f7e8a9ca95720df01c (patch) | |
| tree | 7b09138ee1aca2825f86f5534bfd2caad83190ec /tools | |
| parent | Linux 5.4-rc8 (diff) | |
| parent | x86, kcsan: Enable KCSAN for x86 (diff) | |
| download | linux-8e1d58ae0c8d4af9ab0141f7e8a9ca95720df01c.tar.xz linux-8e1d58ae0c8d4af9ab0141f7e8a9ca95720df01c.zip | |
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/kcsan
Pull the KCSAN subsystem from Paul E. McKenney:
"This pull request contains base kernel concurrency sanitizer
(KCSAN) enablement for x86, courtesy of Marco Elver. KCSAN is a
sampling watchpoint-based data-race detector, and is documented in
Documentation/dev-tools/kcsan.rst. KCSAN was announced in September,
and much feedback has since been incorporated:
http://lkml.kernel.org/r/CANpmjNPJ_bHjfLZCAPV23AXFfiPiyXXqqu72n6TgWzb2Gnu1eA@mail.gmail.com
The data races located thus far have resulted in a number of fixes:
https://github.com/google/ktsan/wiki/KCSAN#upstream-fixes-of-data-races-found-by-kcsan
Additional information may be found here:
https://lore.kernel.org/lkml/20191114180303.66955-1-elver@google.com/
"
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/objtool/check.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 044c9a3cb247..e022a9a00ca1 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -466,6 +466,24 @@ static const char *uaccess_safe_builtin[] = { "__asan_report_store4_noabort", "__asan_report_store8_noabort", "__asan_report_store16_noabort", + /* KCSAN */ + "kcsan_found_watchpoint", + "kcsan_setup_watchpoint", + /* KCSAN/TSAN */ + "__tsan_func_entry", + "__tsan_func_exit", + "__tsan_read_range", + "__tsan_write_range", + "__tsan_read1", + "__tsan_read2", + "__tsan_read4", + "__tsan_read8", + "__tsan_read16", + "__tsan_write1", + "__tsan_write2", + "__tsan_write4", + "__tsan_write8", + "__tsan_write16", /* KCOV */ "write_comp_data", "__sanitizer_cov_trace_pc", |