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    SubjectRe: PATCH: Fix VMI and COMPAT_VDSO for 2.6.21

    * Zachary Amsden <> wrote:

    > Zachary Amsden wrote:
    > >VMI is broken under COMPAT_VDSO, as Xen and other non hardware
    > >assisted hypervisors will be. I have been working on a fix for this
    > >which works for older glibcs that panic when the new relocatable VDSO
    > >is used. However, I believe at this time that the fix is going to be
    > >too radical to consider at this stage in the release of 2.6.21. We
    > >don't expect this config option to be turned on by vendors for new
    > >distributions, so at this point we are willing to drop support for it
    > >when VMI is compiled in, and work on a patch for 2.6.22 which more
    > >fully addresses the problem.
    > >
    > >Please apply, thanks.

    makes sense. We can do Jan's relocatable-COMPAT_VDSO thing in v2.6.22,
    but for v2.6.21 that's way too intrusive.

    Acked-by: Ingo Molnar <>

    > I suppose it would be better if I attached the patch.

    it certainly helps ;-)

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