linux-kernel - Re: [PATCH v1] drivers/clocksource: do not trace read_sched

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Date:	Thu, 22 May 2014 09:50:02 +0800
From:	"Yang,Wei" <Wei.Yang@...driver.com>
To:	<Wei.Yang@...driver.com>, <daniel.lezcano@...aro.org>
CC:	<tglx@...utronix.de>, <rostedt@...dmis.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1] drivers/clocksource: do not trace read_sched_clock

Hi Daniel,

What do you think of it?

Regards
Wei
On 05/13/2014 11:10 AM, Wei.Yang@...driver.com wrote:
> From: Yang Wei <Wei.Yang@...driver.com>
>
> We do not need to trace read_sched_clock function,
> so add notrace attribute for this function.
>
> Signed-off-by: Yang Wei <Wei.Yang@...driver.com>
> ---
>   drivers/clocksource/dw_apb_timer_of.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
> index 2a2ea27..d305fb0 100644
> --- a/drivers/clocksource/dw_apb_timer_of.c
> +++ b/drivers/clocksource/dw_apb_timer_of.c
> @@ -106,7 +106,7 @@ static void __init add_clocksource(struct device_node *source_timer)
>   	sched_rate = rate;
>   }
>   
> -static u64 read_sched_clock(void)
> +static u64 notrace read_sched_clock(void)
>   {
>   	return ~__raw_readl(sched_io_base);
>   }

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