per-cpu table information
laforge at netfilter.org
Thu Sep 16 00:36:02 CEST 2004
On Thu, Sep 09, 2004 at 03:47:02PM +0530, Swapnil Nagle wrote:
> Hi all,
> Why is the table information (ipt_table_info to be specific) duplicated
> for each CPU in ipt_table?
Because we don't need any locking and we don't have cache line ping-pong
between the CPU's, if there is no shared data.
- Harald Welte <laforge at netfilter.org> http://www.netfilter.org/
"Fragmentation is like classful addressing -- an interesting early
architectural error that shows how much experimentation was going
on while IP was being designed." -- Paul Vixie
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: Digital signature
Url : /pipermail/netfilter-devel/attachments/20040916/31aa9840/attachment.bin
More information about the netfilter-devel