tree 47d652aeaf9c4455d085578c976c73789620ba8c
parent 5dda4dc570ac41e3bd73ef871c500aeb7005c6b0
author Vineet Gupta <vgupta@synopsys.com> 1358502139 +0530
committer Vineet Gupta <vgupta@synopsys.com> 1360950351 +0530

ARC: MMU Context Management

ARC700 MMU provides for tagging TLB entries with a 8-bit ASID to avoid
having to flush the TLB every task switch.

It also allows for a quick way to invalidate all the TLB entries for
task useful for:
* COW sementics during fork()
* task exit()ing

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