From: Will Deacon <will.deacon@arm.com>
Date: Tue, 17 Sep 2013 10:46:23 +0000 (+0100)
Subject: arm64: documentation: tighten up tagged pointer documentation
X-Git-Tag: v3.12-rc2~12^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=374ed9d1;p=pandora-kernel.git

arm64: documentation: tighten up tagged pointer documentation

Commit d50240a5f6ce ("arm64: mm: permit use of tagged pointers at EL0")
added support for tagged pointers in userspace, but the corresponding
update to Documentation/ contained some imprecise statements.

This patch fixes up some minor ambiguities in the text, hopefully making
it more clear about exactly what the kernel expects from user virtual
addresses.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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