RE: [Xen-devel] Propose "xen_init()" call first thing in Xen drivers

["Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>]

> What linker magic exactly? I don't understand the problem.

Linker magic is probably a poor choice of words.

IIRC, the problem arose because we moved xen/arch/xen/kernel
to -sparse/drivers/xen/core (which is planned as part of
the getting-into-the-linux process).  This changed the link
order which had previously (by chance) linked the evtchn_init
routine prior to any drivers/xen init routine.  If any
of the drivers/xen init routines execute before evtchn_init,
they fail.  Since we needed a test for "running_on_xen"
anyway, we (Matt) combined the two solutions into one architecturally
independent abstraction.

> Could you provide a pointer to the ia64 xen_init() 
> implementation? 

http://xenbits.xensource.com/ext/xenlinux-ia64-2.6.12.hg?cmd=file;fileno
de=769f15e75bbd990900b352a3f9d50562d9e399df;file=drivers/xen/core/xenia6
4_init.c

Thanks,
Dan

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