From: Vineet Gupta <vgupta@synopsys.com>
Date: Fri, 18 Jan 2013 09:42:19 +0000 (+0530)
Subject: ARC: MMU Context Management
X-Git-Tag: v3.9-rc1~25^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f1f3347da9440eedd2350f4f5d13d8860f570b92;p=pandora-kernel.git

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>
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