linux-kernel - Re: [PATCH 2.6.27-rc3 26/29] mdb: export task

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Message-ID: <84144f020808140139v691e6590idd79995168af4e9e@mail.gmail.com>
Date:	Thu, 14 Aug 2008 11:39:00 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	jmerkey@...fmountaingroup.com
Cc:	linux-kernel@...r.kernel.org, "Ingo Molnar" <mingo@...e.hu>
Subject: Re: [PATCH 2.6.27-rc3 26/29] mdb: export task_curr

On Thu, Aug 14, 2008 at 9:14 AM,  <jmerkey@...fmountaingroup.com> wrote:
> export the task_curr function to the module based kernel debugger to enable
> process back tracing and state display.
>
> Signed-off-by: Jeffrey Vernon Merkey (jmerkey@...fmountaingroup.com)
>
> --- a/kernel/sched.c    2008-08-13 14:22:32.000000000 -0600
> +++ b/kernel/sched.c    2008-08-13 11:56:03.000000000 -0600
> @@ -1736,6 +1736,9 @@
>  {
>        return cpu_curr(task_cpu(p)) == p;
>  }
> +#if defined(CONFIG_MDB_MODULE)
> +EXPORT_SYMBOL_GPL(task_curr);
> +#endif

We usually don't export symbols conditionally, especially in core kernel code.
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