linux-kernel - Re: [PATCH] get rid of [softirq-NULL]

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Message-ID: <3efb10970909241346r36d284ebufbe17e24fb133bd6@mail.gmail.com>
Date:	Thu, 24 Sep 2009 22:46:36 +0200
From:	Remy Bohmer <linux@...mer.net>
To:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	rt-users <linux-rt-users@...r.kernel.org>
Cc:	Remy Bohmer <linux@...mer.net>
Subject: Re: [PATCH] get rid of [softirq-NULL]

2009/9/24 Remy Bohmer <linux@...mer.net>:
> if CONFIG_HIGH_RES_TIMERS is not configured, still the hrtimer-softirq
> is started, so to prevent the name 'softirq-NULL' in 'ps' output we
> should still define its name here.
> Preventing the softirq from starting at all would touch much more code, so
> I chose the easy way here, it is a cosmetic fix anyway.
>
> Signed-off-by: Remy Bohmer <linux@...mer.net>

oops... Forgot to mention that this patch applies to 2.6.31-rt11 (preempt-RT)

> ---
>  kernel/softirq.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/softirq.c b/kernel/softirq.c
> index aae8d45..590049c 100644
> --- a/kernel/softirq.c
> +++ b/kernel/softirq.c
> @@ -1139,9 +1139,7 @@ static const char *softirq_names [] =
>   [NET_RX_SOFTIRQ]     = "net-rx",
>   [BLOCK_SOFTIRQ]      = "block",
>   [TASKLET_SOFTIRQ]    = "tasklet",
> -#ifdef CONFIG_HIGH_RES_TIMERS
>   [HRTIMER_SOFTIRQ]    = "hrtimer",
> -#endif
>   [RCU_SOFTIRQ]                = "rcu",
>  };
>
> --
> 1.6.0.4
>
>
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