From ab4f8bba19323eb78b7473df42b225eb14090fcc Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Sat, 1 Mar 2014 13:45:03 +0100
Subject: [PATCH] s390/compat: automatic zero, sign and pointer conversion of
 syscalls

Instead of explicitly changing compat system call parameters from e.g.
unsigned long to compat_ulong_t let the COMPAT_SYSCALL_WRAP macros
automatically detect (unsigned) long parameters and zero and sign
extend them automatically.
The resulting binary is completely identical.

In addition add a sys_[system call name] prototype for each system call
wrapper. This will cause compile errors if the prototype does not match
the prototype in include/linux/syscall.h.
Therefore we should now always get the correct zero and sign extension
of system call parameters. Pointers are handled like before.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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