[openib-general] RHEL 4 U3 - lost completions

[glebn at voltaire.com]

On Tue, Oct 03, 2006 at 09:12:37AM +0200, Michael S. Tsirkin wrote:
> Quoting r. glebn at voltaire.com <glebn at voltaire.com>:
> > AFAIR there is a bug in kernel 2.6.9 that makes it possible for page to
> > be changed in process's VM even though it is locked by get_user_pages().
> > That is why Mellanox driver used mlock() in addition to
> > get_user_pages(). I think this bug was fixed somewhere around 2.6.11.
> 
> I think it got fixed around 2.6.7. RHEL4 U3 has this fix,
> and AFAIK last SLES9 update has backported that to 2.6.7 too.
> 
Yes, you are right. It was fixed in 2.6.7 and RHEL has this fix.

--
			Gleb.