diff options
Diffstat (limited to 'sys/external/bsd/common/include/linux')
| -rw-r--r-- | sys/external/bsd/common/include/linux/completion.h | 16 | ||||
| -rw-r--r-- | sys/external/bsd/common/include/linux/errno.h | 11 | ||||
| -rw-r--r-- | sys/external/bsd/common/include/linux/list.h | 14 |
3 files changed, 38 insertions, 3 deletions
diff --git a/sys/external/bsd/common/include/linux/completion.h b/sys/external/bsd/common/include/linux/completion.h index b41c451502d..bbb92902cda 100644 --- a/sys/external/bsd/common/include/linux/completion.h +++ b/sys/external/bsd/common/include/linux/completion.h @@ -1,4 +1,4 @@ -/* $NetBSD: completion.h,v 1.3 2014/05/05 15:59:11 skrll Exp $ */ +/* $NetBSD: completion.h,v 1.4 2014/07/03 20:48:19 riastradh Exp $ */ /*- * Copyright (c) 2013 The NetBSD Foundation, Inc. @@ -29,6 +29,20 @@ * POSSIBILITY OF SUCH DAMAGE. */ +/* + * Notes on porting: + * + * - Linux does not have destroy_completion. You must add it yourself + * in the appropriate place. + * + * - Some Linux code does `completion->done++' or similar. Convert + * that to complete(completion) and suggest the same change upstream, + * unless it turns out there actually is a good reason to do that, in + * which case the Linux completion API should be extended with a + * sensible name for this that doesn't expose the guts of `struct + * completion'. + */ + #ifndef _LINUX_COMPLETION_H_ #define _LINUX_COMPLETION_H_ diff --git a/sys/external/bsd/common/include/linux/errno.h b/sys/external/bsd/common/include/linux/errno.h index 9210a886039..cccf42a8c2a 100644 --- a/sys/external/bsd/common/include/linux/errno.h +++ b/sys/external/bsd/common/include/linux/errno.h @@ -1,4 +1,4 @@ -/* $NetBSD: errno.h,v 1.1 2014/04/07 11:55:29 riastradh Exp $ */ +/* $NetBSD: errno.h,v 1.2 2014/07/03 20:48:19 riastradh Exp $ */ /*- * Copyright (c) 2013 The NetBSD Foundation, Inc. @@ -29,6 +29,15 @@ * POSSIBILITY OF SUCH DAMAGE. */ +/* + * Notes on porting: + * + * - Linux consistently passes around negative errno values. NetBSD + * consistently passes around positive ones, except the special magic + * in-kernel ones (EJUSTRETURN, ERESTART, &c.) which should not be + * exposed to userland. Be careful! + */ + #ifndef _LINUX_ERRNO_H_ #define _LINUX_ERRNO_H_ diff --git a/sys/external/bsd/common/include/linux/list.h b/sys/external/bsd/common/include/linux/list.h index 4d9bb7839d6..2fc2a250abc 100644 --- a/sys/external/bsd/common/include/linux/list.h +++ b/sys/external/bsd/common/include/linux/list.h @@ -1,4 +1,4 @@ -/* $NetBSD: list.h,v 1.1 2013/09/05 15:28:07 skrll Exp $ */ +/* $NetBSD: list.h,v 1.2 2014/07/03 20:48:19 riastradh Exp $ */ /*- * Copyright (c) 2013 The NetBSD Foundation, Inc. @@ -29,6 +29,18 @@ * POSSIBILITY OF SUCH DAMAGE. */ +/* + * Notes on porting: + * + * - LIST_HEAD(x) means a declaration `struct list_head x = + * LIST_HEAD_INIT(x)' in Linux, but something else in NetBSD. + * Replace by the expansion. + * + * - The `_rcu' routines here are not actually pserialize(9)-safe. + * They need dependent read memory barriers added. Please fix this + * if you need to use them with pserialize(9). + */ + #ifndef _LINUX_LIST_H_ #define _LINUX_LIST_H_ |
