Re: [RFC] locking changes for lec.c

["David S. Miller" <davem@xxxxxxxxxxxxx>]

On Thu, 06 Jan 2005 12:17:20 -0500
"chas williams - CONTRACTOR" <chas@xxxxxxxxxxxxxxxx> wrote:

> after looking at things recently its not clear to me that the combination
> of lec_arp_lock and lec_arp_users was protecting things properly.
> here is a small rewrite that eliminates lec_arp_users completely and
> uses lec_arp_lock to protect the lists in lec_prev: lec_arp_tables,
> lec_arp_empty_ones, et al.

Can HW interrupt paths ever call into this ARP stuff?
If not, probably should just use BH disabled locking
instead of the heavy handed IRQ disabling locks.