2013-03-14 13:26:27

by Paul Gortmaker

[permalink] [raw]
Subject: [PATCH] export.h: clarify comment in relation to avoiding includes

The existing comment indicated what was desired, but it didn't
necessarily convey the reasoning behind it in an effective way.

Cc: Rusty Russell <[email protected]>
Signed-off-by: Paul Gortmaker <[email protected]>
---
include/linux/export.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/export.h b/include/linux/export.h
index 696c0f4..d14cf26 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -5,8 +5,9 @@
* to reduce the amount of pointless cruft we feed to gcc when only
* exporting a simple symbol or two.
*
- * If you feel the need to add #include <linux/foo.h> to this file
- * then you are doing something wrong and should go away silently.
+ * More specifically, it was all the #include <linux/foo.h> lines in
+ * module.h that we wanted to avoid, so please avoid adding any such
+ * similar include lines here, if at all possible.
*/

/* Some toolchains use a `_' prefix for all user symbols. */
--
1.8.1.2


2013-03-15 05:04:11

by Rusty Russell

[permalink] [raw]
Subject: Re: [PATCH] export.h: clarify comment in relation to avoiding includes

Paul Gortmaker <[email protected]> writes:

> The existing comment indicated what was desired, but it didn't
> necessarily convey the reasoning behind it in an effective way.
>
> Cc: Rusty Russell <[email protected]>
> Signed-off-by: Paul Gortmaker <[email protected]>
> ---
> include/linux/export.h | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/export.h b/include/linux/export.h
> index 696c0f4..d14cf26 100644
> --- a/include/linux/export.h
> +++ b/include/linux/export.h
> @@ -5,8 +5,9 @@
> * to reduce the amount of pointless cruft we feed to gcc when only
> * exporting a simple symbol or two.
> *
> - * If you feel the need to add #include <linux/foo.h> to this file
> - * then you are doing something wrong and should go away silently.
> + * More specifically, it was all the #include <linux/foo.h> lines in
> + * module.h that we wanted to avoid, so please avoid adding any such
> + * similar include lines here, if at all possible.
> */
>
> /* Some toolchains use a `_' prefix for all user symbols. */
> --
> 1.8.1.2

I prefer that :)

Thanks,
Rusty.