From: Jan Willeke <willeke@de.ibm.com>
Date: Thu, 8 Jan 2015 15:56:01 +0000 (+0100)
Subject: s390/uprobes: fix user space PER events
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~282^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d1a2427d8fc0cb26ee72dfad7ad1033420089a1;p=pandora-kernel.git

s390/uprobes: fix user space PER events

If uprobes are single stepped for example with gdb, the behavior should
now be correct. Before this patch, when gdb was single stepping a uprobe,
the result was a SIGILL.
When PER is active for any storage alteration and a uprobe is hit, a storage
alteration event is indicated. These over indications are filterd out by gdb,
if no change has happened within the observed area.

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

Reading git-diff-tree failed