Xu Zhang b09ea2a578 mini-os/x86-64 entry: check against nested events and try to fix up ...

In hypervisor_callback, check against event re-entrant.
If we came from the critical region in interrupt context,
try to fix up by coalescing the two stack frames.
The execution is resumed as if the second event never happened.

Signed-off-by: Xu Zhang <xzhang@cs.uic.edu>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

2013-04-22 12:32:51 +01:00

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mini-os

mini-os/x86-64 entry: check against nested events and try to fix up

2013-04-22 12:32:51 +01:00