Re: [Xen-devel] address space reorganization

[Adam Heath <doogie@xxxxxxxxxxxxx>]

On Wed, 13 Apr 2005, Jacob Gorm Hansen wrote:

> Kip Macy wrote:
> >>>That works OK for the kernel, but you might have user space apps that
> >>>have adapted their behviour based on what the've found in /proc/cpuinfo.
> >>
> >>A compromise then would be to lie to userspace and still recalibrate the
> >>kernel.
> >
> >
> > If you're saying what I think you are - I don't think people who have
> > customized their apps for SSE2 would like that.
>
> This is what Keir was suggesting, but still giving the kernel a chance
> to use SSE[12] for its own purposes. It is not perfect, the only perfect
> solution would alert user-space apps about the impending change, so that
> they can react to or veto the migration.

How does beowulf handle this situation?

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