tree 7ec98e8f6733bf4a585bc78b08560bb7012db2cc
parent 87a40a14fc5017b7fc14c0c6d4842d7145ae4ad0
author Sebastian Andrzej Siewior <bigeasy@linutronix.de> 1512121323 +0100
committer Daniel Wagner <wagi@monom.org> 1522775852 +0200

arm*: disable NEON in kernel mode

NEON in kernel mode is used by the crypto algorithms and raid6 code.
While the raid6 code looks okay, the crypto algorithms do not: NEON
is enabled on first invocation and may allocate/free/map memory before
the NEON mode is disabled again.
This needs to be changed until it can be enabled.
On ARM NEON in kernel mode can be simply disabled. on ARM64 it needs to
stay on due to possible EFI callbacks so here I disable each algorithm.

Cc: stable-rt@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>