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(parent: 51ae11f) | patch
s390: TASK_SIZE for kernel threads
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 24 Feb 2017 06:43:51 +0000 (07:43 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 18 Apr 2017 05:55:53 +0000 (07:55 +0200)
commit5f7e7f368d33c47ad1351a1c2ef504eadf2a1f0a
treec06138a633789f3f65527a6d2e2b3a72220e49c0tree | snapshot
parent51ae11f0427ece01d0e0ee774ae2620523253eafcommit | diff
s390: TASK_SIZE for kernel threads

commit fb94a687d96c570d46332a4a890f1dcb7310e643 upstream.

Return a sensible value if TASK_SIZE if called from a kernel thread.

This gets us around an issue with copy_mount_options that does a magic
size calculation "TASK_SIZE - (unsigned long)data" while in a kernel
thread and data pointing to kernel space.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/s390/include/asm/processor.h diff | blob | history
wrapfs-5.3.y