linux-kernel - Re: [PATCH 3/6] cpufreq: Remove the has_target() check from notifier handler

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 19 Jun 2019 14:25:44 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Rafael Wysocki <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/6] cpufreq: Remove the has_target() check from notifier handler

On Wed, Jun 19, 2019 at 1:35 PM Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> cpufreq_notify_transition() is only called for has_target() type driver
> and not for set_policy type, and the check is simply redundant. Remove
> it.

Ah, OK

So this patch removes a check introduced by the previous one. :-)

Please merge them together.

> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  drivers/cpufreq/cpufreq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index e59194c2c613..41ac701e324f 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -359,7 +359,7 @@ static void cpufreq_notify_transition(struct cpufreq_policy *policy,
>                  * which is not equal to what the cpufreq core thinks is
>                  * "old frequency".
>                  */
> -               if (has_target() && policy->cur && policy->cur != freqs->old) {
> +               if (policy->cur && policy->cur != freqs->old) {
>                         pr_debug("Warning: CPU frequency is %u, cpufreq assumed %u kHz\n",
>                                  freqs->old, policy->cur);
>                         freqs->old = policy->cur;
> --
> 2.21.0.rc0.269.g1a574e7a288b
>