From: Catalin Marinas <catalin.marinas@arm.com>
Date: Wed, 6 Apr 2011 15:17:17 +0000 (+0100)
Subject: ARM: 6868/1: Preserve the VFP state during fork
X-Git-Tag: v2.6.39-rc4~20^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c98c09773d80db93cae349f0496fef109feab54d;p=pandora-kernel.git

ARM: 6868/1: Preserve the VFP state during fork

VFP registers d16-d31 are callee saved registers and must be preserved
during function calls, including fork(). The VFP configuration should
also be preserved. The patch copies the full VFP state to the child
process.

Reported-by: Paul Wright <paul.wright@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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