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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2023-05-26 08:57:33 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-06-09 16:29:51 +0300 |
| commit | 396f2b0106ff343c61f7ae221dc6ae300f807760 (patch) | |
| tree | 5bf1be013ed288b7979f915fb55d2380cdc37f93 /tools/perf/scripts/python/stackcollapse.py | |
| parent | bcea4f7a70dc800e769ef02d8c3bc4df357ed893 (diff) | |
| download | linux-396f2b0106ff343c61f7ae221dc6ae300f807760.tar.xz | |
powerpc/kcsan: Properly instrument arch_spin_unlock()
The following boottime error is encountered with SMP kernel:
kcsan: improperly instrumented type=(0): arch_spin_unlock(&arch_spinlock)
kcsan: improperly instrumented type=(0): spin_unlock(&test_spinlock)
kcsan: improperly instrumented type=(KCSAN_ACCESS_WRITE): arch_spin_unlock(&arch_spinlock)
kcsan: improperly instrumented type=(KCSAN_ACCESS_WRITE): spin_unlock(&test_spinlock)
kcsan: improperly instrumented type=(KCSAN_ACCESS_WRITE | KCSAN_ACCESS_COMPOUND): arch_spin_unlock(&arch_spinlock)
kcsan: improperly instrumented type=(KCSAN_ACCESS_WRITE | KCSAN_ACCESS_COMPOUND): spin_unlock(&test_spinlock)
kcsan: selftest: test_barrier failed
kcsan: selftest: 2/3 tests passed
Kernel panic - not syncing: selftests failed
Properly instrument arch_spin_unlock() with kcsan_mb().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Marco Elver <elver@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/57834a703dfa5d6c27c9de0a01329059636e5ab7.1685080579.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions