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Date: Thu, 11 Nov 2021 04:16:58 +0100
From: Mike Galbraith <efault@....de>
To: Valentin Schneider <valentin.schneider@....com>,
linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
linuxppc-dev@...ts.ozlabs.org, linux-kbuild@...r.kernel.org
Cc: Marco Elver <elver@...gle.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>,
Frederic Weisbecker <frederic@...nel.org>,
Dmitry Vyukov <dvyukov@...gle.com>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Steven Rostedt <rostedt@...dmis.org>,
Masahiro Yamada <masahiroy@...nel.org>,
Michal Marek <michal.lkml@...kovi.net>,
Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH v2 2/5] preempt/dynamic: Introduce preempt mode accessors
On Wed, 2021-11-10 at 20:24 +0000, Valentin Schneider wrote:
>
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index 5f8db54226af..0640d5622496 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -2073,6 +2073,22 @@ static inline void cond_resched_rcu(void)
> #endif
> }
>
> +#ifdef CONFIG_PREEMPT_DYNAMIC
> +
> +extern bool is_preempt_none(void);
> +extern bool is_preempt_voluntary(void);
> +extern bool is_preempt_full(void);
> +
> +#else
> +
> +#define is_preempt_none() IS_ENABLED(CONFIG_PREEMPT_NONE)
> +#define is_preempt_voluntary() IS_ENABLED(CONFIG_PREEMPT_VOLUNTARY)
> +#define is_preempt_full() IS_ENABLED(CONFIG_PREEMPT)
I think that should be IS_ENABLED(CONFIG_PREEMPTION), see c1a280b68d4e.
Noticed while applying the series to an RT tree, where tglx
has done that replacement to the powerpc spot your next patch diddles.
-Mike
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