Re: [PATCH] Export current_is_keventd() for libphy

[Andrew Morton <akpm@osdl.org>]

On Sun, 03 Dec 2006 00:50:55 -0500
Ben Collins <ben.collins@ubuntu.com> wrote:

> Fixes this problem when libphy is compiled as module:
> 
> WARNING: "current_is_keventd" [drivers/net/phy/libphy.ko] undefined!
> 
> diff --git a/kernel/workqueue.c b/kernel/workqueue.c
> index 17c2f03..1cf226b 100644
> --- a/kernel/workqueue.c
> +++ b/kernel/workqueue.c
> @@ -608,6 +608,7 @@ int current_is_keventd(void)
>  	return ret;
>  
>  }
> +EXPORT_SYMBOL_GPL(current_is_keventd);
>  
>  #ifdef CONFIG_HOTPLUG_CPU
>  /* Take the work from this (downed) CPU. */

wtf?  That code was merged?  This bug has been known for months and after
several unsuccessful attempts at trying to understand what on earth that
hackery is supposed to be doing I gave up on it and asked Jeff to look after
it.

Maciej, please, in very small words written in a very large font, explain to
us what is going on in phy_stop_interrupts()?  Include pictures.
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