From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Date: Thu, 27 Mar 2014 22:10:42 +0000 (-0700)
Subject: x86/efi: Save and restore FPU context around efi_calls (x86_64)
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~56^2~12^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de05764e0b2a3d9559e099a2e134f8cef4500fdd;p=pandora-kernel.git

x86/efi: Save and restore FPU context around efi_calls (x86_64)

Do a complete FPU context save/restore around the EFI calls. This required
as runtime EFI firmware may potentially use the FPU.

This change covers only the x86_64 configuration.

Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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