From: Don Zickus <dzickus@redhat.com>
Subject: [PATCH RHEL5.1] allow vmsplice to work in 32-bit mode on ppc64
Date: Wed, 18 Apr 2007 11:01:30 -0400
Bugzilla: 235184
Message-Id: <20070418150130.GL11029@redhat.com>
Changelog: [ppc64] allow vmsplice to work in 32-bit mode on ppc64


bz 235184

A simple change to point the vmsplice 32-bit syscall to the compat layer.
Noticed when using ltp.  With the change the test succeeds.

This change is now upstream.

Cheers,
Don


commit c4b7e8754e3198eb5392568e523da6440143c2cd
Author: Don Zickus <dzickus@redhat.com>

    allow vmsplice to work in 32-bit mode on ppc64
    
    Trivial change to pass vmsplice arguments through the compat layer on
    pp64.
    
    Signed-off-by: Don Zickus <dzickus@redhat.com>
    Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
    Acked-by: Paul Mackerras <paulus@samba.org>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/asm-powerpc/systbl.h b/include/asm-powerpc/systbl.h
index 8d853c5..0b00068 100644
--- a/include/asm-powerpc/systbl.h
+++ b/include/asm-powerpc/systbl.h
@@ -288,7 +288,7 @@ COMPAT_SYS(ppoll)
 SYSCALL_SPU(unshare)
 SYSCALL_SPU(splice)
 SYSCALL_SPU(tee)
-SYSCALL_SPU(vmsplice)
+COMPAT_SYS_SPU(vmsplice)
 COMPAT_SYS_SPU(openat)
 SYSCALL_SPU(mkdirat)
 SYSCALL_SPU(mknodat)