From: Laurent Meyer <meyerlau@fr.ibm.com>
Date: Fri, 28 Apr 2006 01:40:07 +0000 (-0700)
Subject: [PATCH] s390: alternate signal stack handling bug
X-Git-Tag: v2.6.17-rc4~122
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28f223782bca914ae65d08234c57c2175ecd7f5d;p=pandora-kernel.git

[PATCH] s390: alternate signal stack handling bug

If a signal handler has been established with the SA_ONSTACK option but no
alternate stack is provided with sigaltstack(), the kernel still tries to
install the alternate stack.  Also when setting an alternate stack with
sigalstack() and the SS_DISABLE flag, the kernel tries to install the
alternate stack on signal delivery.  Use the correct conditions sas_ss_flags()
to check if the alternate stack has to be used.

Signed-off-by: Laurent Meyer <meyerlau@fr.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

Reading git-diff-tree failed