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From: Dmitry Vyukov <dvyukov@google.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Steven Rostedt <rostedt@goodmis.org>,
	Marco Elver <elver@google.com>,
	Clark Williams <williams@redhat.com>
Subject: Re: [PATCH 2/5] Documentation/kcov: Define `ip' in the example.
Date: Fri, 17 Sep 2021 16:37:00 +0200	[thread overview]
Message-ID: <CACT4Y+YsrcejyF-VZ5OGtk-diwHtVEJU0Yhipfomur5HTCc=Zg@mail.gmail.com> (raw)
In-Reply-To: <20210830172627.267989-3-bigeasy@linutronix.de>

On Mon, 30 Aug 2021 at 19:26, Sebastian Andrzej Siewior
<bigeasy@linutronix.de> wrote:
>
> 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.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

Acked-by: Dmitry Vyukov <dvyukov@google.com>

> ---
>  Documentation/dev-tools/kcov.rst | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/dev-tools/kcov.rst b/Documentation/dev-tools/kcov.rst
> index 347f3b6de8d40..d83c9ab494275 100644
> --- a/Documentation/dev-tools/kcov.rst
> +++ b/Documentation/dev-tools/kcov.rst
> @@ -178,6 +178,8 @@ Comparison operands 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];
> --
> 2.33.0
>

  reply	other threads:[~2021-09-17 14:37 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-30 17:26 [PATCH 0/5] kcov: PREEMPT_RT fixup + misc Sebastian Andrzej Siewior
2021-08-30 17:26 ` [PATCH 1/5] Documentation/kcov: Include types.h in the example Sebastian Andrzej Siewior
2021-09-17 14:34   ` Dmitry Vyukov
2021-08-30 17:26 ` [PATCH 2/5] Documentation/kcov: Define `ip' " Sebastian Andrzej Siewior
2021-09-17 14:37   ` Dmitry Vyukov [this message]
2021-08-30 17:26 ` [PATCH 3/5] kcov: Allocate per-CPU memory on the relevant node Sebastian Andrzej Siewior
2021-09-17 14:38   ` Dmitry Vyukov
2021-08-30 17:26 ` [PATCH 4/5] kcov: Avoid enable+disable interrupts if !in_task() Sebastian Andrzej Siewior
2021-09-17 14:50   ` Dmitry Vyukov
2021-08-30 17:26 ` [PATCH 5/5] kcov: Replace local_irq_save() with a local_lock_t Sebastian Andrzej Siewior
2021-09-17 14:58   ` Dmitry Vyukov
2021-09-06 16:13 ` [PATCH 0/5] kcov: PREEMPT_RT fixup + misc Marco Elver
2021-09-06 16:28   ` Sebastian Andrzej Siewior
2021-09-20  9:26     ` Marco Elver
2021-09-20  9:50       ` Sebastian Andrzej Siewior

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