From: Max Filippov <jcmvbkbc@gmail.com>
Date: Wed, 15 May 2013 15:34:05 +0000 (+0400)
Subject: xtensa: check TLB sanity on return to userspace
X-Git-Tag: v3.11-rc1~25^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a99e07ee5e887750f5136bc6799abe47a56fd2c9;p=pandora-kernel.git

xtensa: check TLB sanity on return to userspace

- check that user TLB mappings correspond to the current page table;
- check that TLB mapping VPN is in the kernel/user address range
  in accordance with its ASID.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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