linux-kernel - Re: [PATCH 4/6] sched: Add get_current

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Message-ID: <1731339790.5856.1622642489232.JavaMail.zimbra@efficios.com>
Date:   Wed, 2 Jun 2021 10:01:29 -0400 (EDT)
From:   Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
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Subject: Re: [PATCH 4/6] sched: Add get_current_state()

----- On Jun 2, 2021, at 9:12 AM, Peter Zijlstra peterz@...radead.org wrote:

> Remove yet another few p->state accesses.

[...]

> 
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -212,6 +212,8 @@ struct task_group;
> 
> #endif
> 
> +#define get_current_state()	READ_ONCE(current->state)

Why use a macro rather than a static inline here ?

Thanks,

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com