On 04.11.2009, at 09:47, Benjamin Herrenschmidt wrote:

On Wed, 2009-11-04 at 09:43 +0100, Arnd Bergmann wrote:

quoted

On Tuesday 03 November 2009, Benjamin Herrenschmidt wrote:

quoted

(Though glibc can be nasty, afaik it might load up optimized

variants of

quoted

some routines with hard wired cache line sizes based on the CPU

type)

You can also get application with hand-coded cache optimizations
that are even harder, if not impossible, to fix.

Right. But those are already broken across CPU variants anyways.

... which might be the reason you're using KVM in the first place.

Alex