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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2021-11-08 18:35:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-09 10:02:52 -0800 |
| commit | 6f1d34bd491c1bd0ac23100347e81080a2ec209d (patch) | |
| tree | a5fc0032f1f508b8df4e2e587dfd122b35cfdfa1 /Documentation | |
| parent | d687a9ccf2648c38a6a7097371d94cd1bb1414af (diff) | |
Documentation/kcov: define `ip' in the example
The example code uses the variable `ip' but never declares it.
Declare `ip' as a 64bit variable which is the same type as the array
from which it loads its value.
Link: https://lkml.kernel.org/r/20210923164741.1859522-3-bigeasy@linutronix.de
Link: https://lore.kernel.org/r/20210830172627.267989-3-bigeasy@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Marco Elver <elver@google.com>
Tested-by: Marco Elver <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Clark Williams <williams@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/dev-tools/kcov.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kcov.rst b/Documentation/dev-tools/kcov.rst index 347f3b6de8d4..d83c9ab49427 100644 --- a/Documentation/dev-tools/kcov.rst +++ b/Documentation/dev-tools/kcov.rst @@ -178,6 +178,8 @@ Comparison operands collection is similar to coverage collection: /* Read number of comparisons collected. */ n = __atomic_load_n(&cover[0], __ATOMIC_RELAXED); for (i = 0; i < n; i++) { + uint64_t ip; + type = cover[i * KCOV_WORDS_PER_CMP + 1]; /* arg1 and arg2 - operands of the comparison. */ arg1 = cover[i * KCOV_WORDS_PER_CMP + 2]; |