linux-kernel - Re: [PATCH v3 10/10] kcov: use enum kcov_mode in kcov_mode

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Message-ID: <CACT4Y+YjtGOnkex3fc8Ugcqx-qYtjty45jgdD3AurFYv4Xq9hw@mail.gmail.com>
Date: Tue, 29 Jul 2025 13:20:46 +0200
From: Dmitry Vyukov <dvyukov@...gle.com>
To: Alexander Potapenko <glider@...gle.com>
Cc: quic_jiangenj@...cinc.com, linux-kernel@...r.kernel.org, 
	kasan-dev@...glegroups.com, Aleksandr Nogikh <nogikh@...gle.com>, 
	Andrey Konovalov <andreyknvl@...il.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, Ingo Molnar <mingo@...hat.com>, 
	Josh Poimboeuf <jpoimboe@...nel.org>, Marco Elver <elver@...gle.com>, 
	Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v3 10/10] kcov: use enum kcov_mode in kcov_mode_enabled()

On Mon, 28 Jul 2025 at 17:26, Alexander Potapenko <glider@...gle.com> wrote:
>
> Replace the remaining declarations of `unsigned int mode` with
> `enum kcov_mode mode`. No functional change.
>
> Signed-off-by: Alexander Potapenko <glider@...gle.com>

Reviewed-by: Dmitry Vyukov <dvyukov@...gle.com>

> ---
> Change-Id: I739b293c1f689cc99ef4adbe38bdac5813802efe
> ---
>  kernel/kcov.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/kcov.c b/kernel/kcov.c
> index 82ed4c6150c54..6b7c21280fcd5 100644
> --- a/kernel/kcov.c
> +++ b/kernel/kcov.c
> @@ -949,7 +949,7 @@ static const struct file_operations kcov_fops = {
>   * collecting coverage and copies all collected coverage into the kcov area.
>   */
>
> -static inline bool kcov_mode_enabled(unsigned int mode)
> +static inline bool kcov_mode_enabled(enum kcov_mode mode)
>  {
>         return (mode & ~KCOV_IN_CTXSW) != KCOV_MODE_DISABLED;
>  }
> @@ -957,7 +957,7 @@ static inline bool kcov_mode_enabled(unsigned int mode)
>  static void kcov_remote_softirq_start(struct task_struct *t)
>  {
>         struct kcov_percpu_data *data = this_cpu_ptr(&kcov_percpu_data);
> -       unsigned int mode;
> +       enum kcov_mode mode;
>
>         mode = READ_ONCE(t->kcov_mode);
>         barrier();
> @@ -1134,7 +1134,7 @@ void kcov_remote_stop(void)
>  {
>         struct task_struct *t = current;
>         struct kcov *kcov;
> -       unsigned int mode;
> +       enum kcov_mode mode;
>         void *area;
>         unsigned int size;
>         int sequence;
> --
> 2.50.1.470.g6ba607880d-goog
>