Xen 32-bit PV regression
From: Boris Ostrovsky
Date: Thu Apr 03 2014 - 23:20:45 EST
Steven,
Looks like commit 198d208df (x86: Keep thread_info on thread stack in
x86_32) broke Xen's 32-bit PV guests.
I poked a little at it and it seems that at least the ifdef in
xen_cpu_up() needs to be adjusted to set up kernel_stack --- that allows
CPUs to get going. This is not enough though (not particularly
surprisingly) and we die a little later with #GPF in xen_iret.
-boris
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