tree e891e213b072458ff6ee358e06277730bb478bb8
parent 46c7275831c54174af0bf3e58d35561c18008da4
author Mazen NEIFER <mazen@nestwave.com> 1486205963 +0100
committer Andrew Boie <andrew.p.boie@intel.com> 1487014741 -0800

Xtensa port: Fixed memory corruption in interrupt handler exit function.

The a3 register was supposed to hold the _thread pointer but it seems that it
does not in all cases. Safe to restore it from _kernel structure.

Change-Id: Ie2ff6c3faf0fe70de4c5877ab59433d0c165145b
Signed-off-by: Mazen NEIFER <mazen@nestwave.com>