Date:   Wed, 10 Nov 2021 17:56:36 +0100
From:   Frederic Weisbecker <frederic@kernel.org>
To:     Valentin Schneider <valentin.schneider@arm.com>
Cc:     Mike Galbraith <efault@gmx.de>, Marco Elver <elver@google.com>,
        linux-kernel@vger.kernel.org,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH] sched: Split preemption model selection between DYNAMIC
 & !DYNAMIC
Message-ID: <20211110165636.GB300656@lothringen>
References: <20211109151057.3489223-1-valentin.schneider@arm.com>
 <20211110011738.GD288354@lothringen>
 <beec14cee84de7a4bedd7a63c2acdf150a82bc09.camel@gmx.de>
 <87h7cks16n.mognet@arm.com>
 <87bl2srrvq.mognet@arm.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <87bl2srrvq.mognet@arm.com>
Precedence: bulk

On Wed, Nov 10, 2021 at 02:45:45PM +0000, Valentin Schneider wrote:
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index 7896d30d90f7..3b3226ffbafa 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -4271,11 +4271,11 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
>  		   entries,
>  		   total,
>  		   buf->cpu,
> -#if defined(CONFIG_PREEMPT_NONE)
> +#if defined(CONFIG_PREEMPT_NONE_BUILD)
>  		   "server",
> -#elif defined(CONFIG_PREEMPT_VOLUNTARY)
> +#elif defined(CONFIG_PREEMPT_VOLUNTARY_BUILD)
>  		   "desktop",
> -#elif defined(CONFIG_PREEMPT)
> +#elif defined(CONFIG_PREEMPT_BUILD)
>  		   "preempt",
>  #elif defined(CONFIG_PREEMPT_RT)
>  		   "preempt_rt",

I also found those:

arch/powerpc/kernel/interrupt.c:                if (IS_ENABLED(CONFIG_PREEMPT)) {
arch/powerpc/kernel/traps.c:           IS_ENABLED(CONFIG_PREEMPT) ? " PREEMPT" : "",