[PATCH v3 07/25] kcsan: Call scoped accesses reordered in reports
flat view
STALE1766d
From: Marco Elver <elver@google.com>
Date: 2021-11-30 11:45:49
Also in:
linux-arch, linux-kbuild, linux-mm, lkml, llvm
Subsystem:
kcsan, the rest · Maintainers:
Marco Elver, Linus Torvalds
Revision v3 of 2 in this series.
Revisions (2)
- v2 [diff vs current]
- v3 current
The scoping of an access simply denotes the scope in which it may be reordered. However, in reports, it'll be less confusing to say the access is "reordered". This is more accurate when the race occurred. Signed-off-by: Marco Elver <elver@google.com> --- kernel/kcsan/kcsan_test.c | 4 ++-- kernel/kcsan/report.c | 16 ++++++++-------- 2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/kernel/kcsan/kcsan_test.c b/kernel/kcsan/kcsan_test.c
index 660729238588..6e3c2b8bc608 100644
--- a/kernel/kcsan/kcsan_test.c
+++ b/kernel/kcsan/kcsan_test.c@@ -213,9 +213,9 @@ static bool report_matches(const struct expect_report *r) const bool is_atomic = (ty & KCSAN_ACCESS_ATOMIC); const bool is_scoped = (ty & KCSAN_ACCESS_SCOPED); const char *const access_type_aux = - (is_atomic && is_scoped) ? " (marked, scoped)" + (is_atomic && is_scoped) ? " (marked, reordered)" : (is_atomic ? " (marked)" - : (is_scoped ? " (scoped)" : "")); + : (is_scoped ? " (reordered)" : "")); if (i == 1) { /* Access 2 */
diff --git a/kernel/kcsan/report.c b/kernel/kcsan/report.c
index fc15077991c4..1b0e050bdf6a 100644
--- a/kernel/kcsan/report.c
+++ b/kernel/kcsan/report.c@@ -215,9 +215,9 @@ static const char *get_access_type(int type) if (type & KCSAN_ACCESS_ASSERT) { if (type & KCSAN_ACCESS_SCOPED) { if (type & KCSAN_ACCESS_WRITE) - return "assert no accesses (scoped)"; + return "assert no accesses (reordered)"; else - return "assert no writes (scoped)"; + return "assert no writes (reordered)"; } else { if (type & KCSAN_ACCESS_WRITE) return "assert no accesses";
@@ -240,17 +240,17 @@ static const char *get_access_type(int type) case KCSAN_ACCESS_COMPOUND | KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ATOMIC: return "read-write (marked)"; case KCSAN_ACCESS_SCOPED: - return "read (scoped)"; + return "read (reordered)"; case KCSAN_ACCESS_SCOPED | KCSAN_ACCESS_ATOMIC: - return "read (marked, scoped)"; + return "read (marked, reordered)"; case KCSAN_ACCESS_SCOPED | KCSAN_ACCESS_WRITE: - return "write (scoped)"; + return "write (reordered)"; case KCSAN_ACCESS_SCOPED | KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ATOMIC: - return "write (marked, scoped)"; + return "write (marked, reordered)"; case KCSAN_ACCESS_SCOPED | KCSAN_ACCESS_COMPOUND | KCSAN_ACCESS_WRITE: - return "read-write (scoped)"; + return "read-write (reordered)"; case KCSAN_ACCESS_SCOPED | KCSAN_ACCESS_COMPOUND | KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ATOMIC: - return "read-write (marked, scoped)"; + return "read-write (marked, reordered)"; default: BUG(); }
--
2.34.0.rc2.393.gf8c9666880-goog