them from interrupt context.
xpq_flush_queue() is called from IPL_NET in if_xennet.c, and
other xpq_queue* functions may be called from interrupt context via
pmap_kenter*(). Should fix port-xen/30153.
Thanks to Jason Thorpe and YAMAMOTO Takashi for enlightments on this issue.
because the x86/intr.h needs them and does not include xenfunc.h. Including
xenfunc.h in cpufunc.h is a clear lose because xenfunc.h needs a boatload
of include functions in order to compile.
yamt