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LPC17xx with some caveats as described in the TODO list under
LPC17xx.
* arch/x86/include/i486/irq.h -- Fix irqrestore() macro... it was not
- correctly re-enabling interrupts. \ No newline at end of file
+ correctly re-enabling interrupts.
+ * arch/x86/src - Fix numerous problems with i486/QEMU context
+ switching. Basically, the logic was missing the cases to handle
+ the differing stack frames when a priority change occurs and when
+ no priority change occurs.