[rds-devel] [PATCH] rds_rdma: don't assume infiniband device is PCI

David Miller davem at davemloft.net
Thu Jan 5 10:57:51 PST 2012


From: Thadeu Lima de Souza Cascardo <cascardo at linux.vnet.ibm.com>
Date: Thu, 5 Jan 2012 15:05:24 -0200

> On Thu, Jan 05, 2012 at 08:56:34AM -0800, Venkat Venkatsubra wrote:
>> Hi Cascardo,
>> 
>> Your changes look good to me.
>> But our latest code doesn't use this rdsibdev_to_node macro anywhere.
>> Checking with the people in my group who know the history of the NUMA feature.
>> Trying to find out if the call to kzalloc_node() can be replaced by kzalloc().
>> In which case this macro can be removed.
>> 
>> I will keep you posted.
>> 
>> Venkat
>> 
> 
> Hi, Venkat.
> 
> Do you have any public tree where we can track the last changes in RDS?
> Note that I have changed ibsdev_to_node, which rdsibdev_to_node makes
> use of. Anyway, replacing kzalloc_node with kzalloc has crossed my mind,
> but since I was not sure if this would affect latency of RDS in any use
> cases, I kept that and used a better function to get the node from the
> device. And we have dev_to_node since 2.6.20, so it should not be a
> problem to use it.
> 
> If possible, keep everyone copied and avoid top posting.

Indeed, otherwise it's impossible for anyone to follow the progress on
this patch.  If anything, you should never remove netdev from the CC:
list when discussing a patch.  Otherwise the followups don't make into
our patch tracking system at:

http://patchwork.ozlabs.org/project/netdev/list/



More information about the rds-devel mailing list