From: Randy Dunlap <rdunlap@infradead.org>
To: Daniel Bristot de Oliveira <bristot@kernel.org>,
linux-kernel@vger.kernel.org
Cc: Matthew Wilcox <willy@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH] trace/osnoise: Rename main variable to tracer_main
Date: Tue, 3 Aug 2021 07:31:10 -0700 [thread overview]
Message-ID: <b4cbe5a3-c76f-4fc0-4cf6-1d6ff729b971@infradead.org> (raw)
In-Reply-To: <fc62f7deb2258f6068d77c3e734633e3c3511464.1627977494.git.bristot@kernel.org>
On 8/3/21 1:28 AM, Daniel Bristot de Oliveira wrote:
> The *main variable in start_kthread() is causing warnings in some
> compilers/analyzers. Although it is not necessarily a problem, it is
> not a problem changing the variable name too.
>
> Rename the *main variable to *tracer_main.
>
> No functional change.
>
> Fixes: c8895e271f79 ("trace/osnoise: Support hotplug operations")
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Thanks.
> ---
> kernel/trace/trace_osnoise.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
> index 0b11db9595b6..eda10d39da47 100644
> --- a/kernel/trace/trace_osnoise.c
> +++ b/kernel/trace/trace_osnoise.c
> @@ -1576,20 +1576,20 @@ static void stop_per_cpu_kthreads(void)
> static int start_kthread(unsigned int cpu)
> {
> struct task_struct *kthread;
> - void *main = osnoise_main;
> + void *tracer_main = osnoise_main;
> char comm[24];
>
> #ifdef CONFIG_TIMERLAT_TRACER
> if (osnoise_data.timerlat_tracer) {
> snprintf(comm, 24, "timerlat/%d", cpu);
> - main = timerlat_main;
> + tracer_main = timerlat_main;
> } else {
> snprintf(comm, 24, "osnoise/%d", cpu);
> }
> #else
> snprintf(comm, 24, "osnoise/%d", cpu);
> #endif
> - kthread = kthread_create_on_cpu(main, NULL, cpu, comm);
> + kthread = kthread_create_on_cpu(tracer_main, NULL, cpu, comm);
>
> if (IS_ERR(kthread)) {
> pr_err(BANNER "could not start sampling thread\n");
>
--
~Randy
prev parent reply other threads:[~2021-08-03 14:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-03 8:28 [PATCH] trace/osnoise: Rename main variable to tracer_main Daniel Bristot de Oliveira
2021-08-03 14:31 ` Randy Dunlap [this message]
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