From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date: Mon, 24 Feb 2014 14:26:29 +0000 (+0100)
Subject: arm64: add support for kernel mode NEON in interrupt context
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~10^2~24^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=190f1ca85d071114930dd7abe6b5d103e9d5572f;p=pandora-kernel.git

arm64: add support for kernel mode NEON in interrupt context

This patch modifies kernel_neon_begin() and kernel_neon_end(), so
they may be called from any context. To address the case where only
a couple of registers are needed, kernel_neon_begin_partial(u32) is
introduced which takes as a parameter the number of bottom 'n' NEON
q-registers required. To mark the end of such a partial section, the
regular kernel_neon_end() should be used.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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