Re: [PATCH] Move an assert under DEBUG_KERNEL. (attempt 2)

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On Mon, 10 Jan 2011 02:35:33 -0600 Rob Landley wrote:

> On 01/06/2011 05:41 PM, Andrew Morton wrote:
> > Probably a worthwhile thing to do, IMO.  If there's some net-specific
> > CONFIG_DEBUG_ setting then that wold be a better thing to use.
> > 
> > However the patch was a) wordwrapped, b) space-stuffed and c) not cc'ed
> > to the networking list.  So its prospects are dim.
> 
> Ok, either I've beaten thunderbird into submission, or I'll be submitting a patch to Documentation/email-clients.txt.  (Whether or not I need to find a different smtp server to send this through remains an open question.)


Hi Rob,
The patch applies cleanly.  However, if you have any additions/updates to
Documentation/email-clients.txt, please send them along.

and please do hard CR/LF every 70-72 characters or so, instead of very_long_lines.


> (Confirming: I looked for a more specific DEBUG symbol, but couldn't find one.  I can add one, but this seems a bit small to have its own symbol, and DEBUG_KERNEL is already used in a few *.c files.)
> 
> From: Rob Landley <rlandley@xxxxxxxxxxxxx>
> 
> Move an assert under DEBUG_KERNEL.  (Minor cleanup to save a few bytes.)
> 
> Signed-off-by: Rob Landley <rlandley@xxxxxxxxxxxxx>
> ---
> 
>  include/linux/rtnetlink.h |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
> index bbad657..28c4025 100644
> --- a/include/linux/rtnetlink.h
> +++ b/include/linux/rtnetlink.h
> @@ -782,6 +782,7 @@ extern struct netdev_queue *dev_ingress_queue_create(struct net_device *dev);
>  extern void rtnetlink_init(void);
>  extern void __rtnl_unlock(void);
>  
> +#ifdef CONFIG_DEBUG_KERNEL
>  #define ASSERT_RTNL() do { \
>  	if (unlikely(!rtnl_is_locked())) { \
>  		printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \
> @@ -789,6 +790,9 @@ extern void __rtnl_unlock(void);
>  		dump_stack(); \
>  	} \
>  } while(0)
> +#else
> +#define ASSERT_RTNL()
> +#endif
>  
>  static inline u32 rtm_get_table(struct rtattr **rta, u8 table)
>  {
> --


---
~Randy
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