On Thu, 6 Jan 2011 02:13:38 -0600
Rob Landley <rland...@parallels.com> wrote:
> From: Rob Landley <rland...@parallels.com>
>
> Move an assert under DEBUG_KERNEL.
>
> Signed-off-by: Rob Landley <rland...@parallels.com>
> ---
>
> Saves about 3k from x86-64 defconfig according to scripts/bloat-o-meter.
>
> 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)
> {
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.
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