[openib-general] Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation

[Timur Tabi]

Christoph Hellwig wrote:
> On Mon, Apr 18, 2005 at 11:22:29AM -0500, Timur Tabi wrote:
> 
>>That's not what we're seeing.  We have hardware that does DMA over the 
>>network (much like the Infiniband stuff), and we have a testcase that fails 
>>if get_user_pages() is used, but not if mlock() is used.
> 
> 
> If you don't share your testcase it's unlikely to be fixed.

As I said, the testcase only works with our hardware, and it's also very large.  It's one 
small test that's part of a huge test suite.  It takes a couple hours just to install the 
damn thing.

We want to produce a simpler test case that demonstrates the problem in an 
easy-to-understand manner, but we don't have time to do that now.

-- 
Timur Tabi
Staff Software Engineer
timur.tabi at ammasso.com