linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] uapi: move forward declarations of internal structures
@ 2016-07-13 21:58 Alexey Dobriyan
  2016-07-13 22:15 ` Andrew Morton
  0 siblings, 1 reply; 3+ messages in thread
From: Alexey Dobriyan @ 2016-07-13 21:58 UTC (permalink / raw)
  To: akpm; +Cc: linux-kernel

Move "struct completion;".
Move "struct task_struct;".

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

 include/linux/capability.h      |    1 +
 include/linux/sysctl.h          |    1 +
 include/uapi/linux/capability.h |    2 --
 include/uapi/linux/sysctl.h     |    2 --
 4 files changed, 2 insertions(+), 4 deletions(-)

--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -38,6 +38,7 @@ struct cpu_vfs_cap_data {
 struct file;
 struct inode;
 struct dentry;
+struct task_struct;
 struct user_namespace;
 
 extern const kernel_cap_t __cap_empty_set;
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -28,6 +28,7 @@
 #include <uapi/linux/sysctl.h>
 
 /* For the /proc/sys support */
+struct completion;
 struct ctl_table;
 struct nsproxy;
 struct ctl_table_root;
--- a/include/uapi/linux/capability.h
+++ b/include/uapi/linux/capability.h
@@ -15,8 +15,6 @@
 
 #include <linux/types.h>
 
-struct task_struct;
-
 /* User-level do most of the mapping between kernel and user
    capabilities based on the version tag given by the kernel. The
    kernel might be somewhat backwards compatible, but don't bet on
--- a/include/uapi/linux/sysctl.h
+++ b/include/uapi/linux/sysctl.h
@@ -26,8 +26,6 @@
 #include <linux/types.h>
 #include <linux/compiler.h>
 
-struct completion;
-
 #define CTL_MAXNAME 10		/* how many path components do we allow in a
 				   call to sysctl?   In other words, what is
 				   the largest acceptable value for the nlen

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] uapi: move forward declarations of internal structures
  2016-07-13 21:58 [PATCH] uapi: move forward declarations of internal structures Alexey Dobriyan
@ 2016-07-13 22:15 ` Andrew Morton
  2016-07-13 22:44   ` Alexey Dobriyan
  0 siblings, 1 reply; 3+ messages in thread
From: Andrew Morton @ 2016-07-13 22:15 UTC (permalink / raw)
  To: Alexey Dobriyan; +Cc: linux-kernel

On Thu, 14 Jul 2016 00:58:08 +0300 Alexey Dobriyan <adobriyan@gmail.com> wrote:

> Move "struct completion;".
> Move "struct task_struct;".

That tells us no more than does the diff.

What's the reason for this change?  Any perceptible benefit?

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] uapi: move forward declarations of internal structures
  2016-07-13 22:15 ` Andrew Morton
@ 2016-07-13 22:44   ` Alexey Dobriyan
  0 siblings, 0 replies; 3+ messages in thread
From: Alexey Dobriyan @ 2016-07-13 22:44 UTC (permalink / raw)
  To: Andrew Morton; +Cc: linux-kernel

On Wed, Jul 13, 2016 at 03:15:57PM -0700, Andrew Morton wrote:
> On Thu, 14 Jul 2016 00:58:08 +0300 Alexey Dobriyan <adobriyan@gmail.com> wrote:
> 
> > Move "struct completion;".
> > Move "struct task_struct;".
> 
> That tells us no more than does the diff.
> 
> What's the reason for this change?  Any perceptible benefit?

You're right.

Changelog should be

Don't user forward declarations of internal kernel structures
in headers exported to userspace.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-07-13 22:44 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-07-13 21:58 [PATCH] uapi: move forward declarations of internal structures Alexey Dobriyan
2016-07-13 22:15 ` Andrew Morton
2016-07-13 22:44   ` Alexey Dobriyan

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).