tree 719621b894621fc0bbfa6000d86ab11571e09303
parent d79e678d746d3d4234477f08ce7d27d55ebe283a
author Vineet Gupta <vgupta@synopsys.com> 1358502140 +0530
committer Vineet Gupta <vgupta@synopsys.com> 1360950353 +0530

ARC: Page Fault handling

This includes recent changes to make handler "retry" and/or "killable"

The killable (early exit) logic is loosely based on how SH implements it
	return if SIGKILL + either of VM_FAULT_OOM or VM_FAULT_RETRY
which is different from Hexagon implementation which would NOT early
exit for
	SIGKILL + VM_FAULT_OOM + !VM_FAULT_RETRY

credits: Non executable stack support from Simon Spooner

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>