From b05e37035298148b6c311eccf06ac50fd389f0b2 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Wed, 4 Oct 2006 20:01:58 +0200
Subject: [PATCH] [S390] user-copy optimization fallout.

Fix new restore_sigregs function. It copies the user space copy of the
old psw without correcting the psw.mask and the psw.addr high order bit.
While we are at it, simplify save_sigregs a bit.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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