[CRIU] [PATCH 17/22] restore: Add ability to restore FPU data

[Cyrill Gorcunov]

This patch adds ability to restore FPU data from the image.

In short what we've done here:

 - we check if the image has properly checkpointed FPU data
 - if the data is present we simply fill fxrstor/xsave frame
   and pass it to rt_sigreturn call

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 cr-restore.c |  108 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 restorer.c   |    8 ++++
 2 files changed, 116 insertions(+), 0 deletions(-)

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