From: James Hogan <james.hogan@imgtec.com>
Date: Sun, 31 Jul 2016 12:11:11 +0000 (+0200)
Subject: s390: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
X-Git-Tag: v3.2.84~104
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd157e9d9c5ef1ba0885cb45a33b140db5744528;p=pandora-kernel.git

s390: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO

commit 68c5cf5a6091c2c3fabccfd42ca844d730ec24c6 upstream.

AT_VECTOR_SIZE_ARCH should be defined with the maximum number of
NEW_AUX_ENT entries that ARCH_DLINFO can contain, but it wasn't defined
for s390 at all even though ARCH_DLINFO can contain one NEW_AUX_ENT when
VDSO is enabled.

This shouldn't be a problem as AT_VECTOR_SIZE_BASE includes space for
AT_BASE_PLATFORM which s390 doesn't use, but lets define it now and add
the comment above ARCH_DLINFO as found in several other architectures to
remind future modifiers of ARCH_DLINFO to keep AT_VECTOR_SIZE_ARCH up to
date.

Fixes: b020632e40c3 ("[S390] introduce vdso on s390")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-s390@vger.kernel.org
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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