linux-kernel - Re: [PATCH 3/3] sched/core / kcov: avoid kcov

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Message-ID: <9dbd4703-5d79-0f3c-306c-5d50a757c11b@virtuozzo.com>
Date:   Fri, 4 May 2018 17:32:26 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Mark Rutland <mark.rutland@....com>, linux-kernel@...r.kernel.org
Cc:     akpm@...ux-foundation.org, dvyukov@...gle.com, mingo@...hat.com,
        peterz@...radead.org
Subject: Re: [PATCH 3/3] sched/core / kcov: avoid kcov_area during task switch

On 05/04/2018 04:55 PM, Mark Rutland wrote:

> +#define kcov_prepare_switch(t)			\
> +do {						\
> +	(t)->kcov_mode |= KCOV_IN_CTXSW;	\
> +} while (0)
> +
> +#define kcov_finish_switch(t)			\
> +do {						\
> +	(t)->kcov_mode &= ~KCOV_IN_CTXSW;	\
> +} while (0)
> +

Why macros?

>  #else
>