On Thu, Mar 21, 2002 at 07:54:38AM -0600, Michael K Lambert wrote: > > Hello, > > I was wondering if Red Hat had any plans to integrate the on-demand timer > patch into their kernel. Presently, the patch won't work with RH's kernel. > I only bring this up because I have recently been inundated by documents > that co-workers brought back from SHARE, primarily from Velocity Software, > asserting that without this patch a s390 cannot scale beyond 300 linux > images (due to the .3% processor utilization of an 'idle' image). Although > 300 images is quite alot, I hate to be saddled by any unnecessary > limitations. > > I realize that we could roll our own kernel, but we'd like to stick with > RH's if at all possible. This, of course, begs the question as to whether > or not the timer issue will ever be addressed in the stock kernel tree. Hello Michael Lambert, The patch from IBM looks pretty clean and I think it should be again a kernel-2.5.x discussion on how such a change could be integrated for all platforms into the standard kernel or if it stays s390-only.