[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/asm Add bogus x86-spe...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bc05c90ba13b
branches:  riastradh-drm2
changeset: 788407:bc05c90ba13b
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 03:39:52 2013 +0000

description:
Add bogus x86-specific mmiowb to Linux <asm/io.h>.

diffstat:

 sys/external/bsd/drm2/include/asm/io.h |  9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r cec5128176fa -r bc05c90ba13b sys/external/bsd/drm2/include/asm/io.h
--- a/sys/external/bsd/drm2/include/asm/io.h    Wed Jul 24 03:39:38 2013 +0000
+++ b/sys/external/bsd/drm2/include/asm/io.h    Wed Jul 24 03:39:52 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: io.h,v 1.1.2.1 2013/07/24 00:33:11 riastradh Exp $     */
+/*     $NetBSD: io.h,v 1.1.2.2 2013/07/24 03:39:52 riastradh Exp $     */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -32,4 +32,11 @@
 #ifndef _ASM_IO_H_
 #define _ASM_IO_H_
 
+/*
+ * XXX This is bollocks, and is wrong on various architectures (should
+ * work for x86; who knows what else), but bus_space_barrier won't work
+ * because we have no bus space tag or handle or offset or anything.
+ */
+#define        mmiowb()        __insn_barrier()
+
 #endif  /* _ASM_IO_H_ */