Re: [patch added to 3.12-stable] module: remove MODULE_GENERIC_TABLE

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Jiri Slaby <jslaby@xxxxxxx> writes:
> From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
>
> This patch has been added to the 3.12 stable tree. If you have any
> objections, please let us know.
>
> ===============
>
> commit cff26a51da5d206d3baf871e75778da44710219d upstream.
>
> MODULE_DEVICE_TABLE() calles MODULE_GENERIC_TABLE(); make it do the
> work directly.  This also removes a wart introduced in the last patch,
> where the alias is defined to be an unknown struct type "struct
> type##__##name##_device_id" instead of "struct type##_device_id" (it's
> an extern so GCC doesn't care, but it's wrong).
>
> The other user of MODULE_GENERIC_TABLE (ISAPNP_CARD_TABLE) is unused,
> so delete it.
>
> Bryan: gcc v3.3.2 cares

Hmm, Bryan, your config and the message please?

Thanks,
Rusty.

> Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> Cc: Bryan Kadzban <bryan@xxxxxxxxxxx>
> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
> ---
>  include/linux/isapnp.h |  4 ----
>  include/linux/module.h | 19 ++++++++-----------
>  2 files changed, 8 insertions(+), 15 deletions(-)
>
> diff --git a/include/linux/isapnp.h b/include/linux/isapnp.h
> index e2d28b026a8c..3c77bf9b1efd 100644
> --- a/include/linux/isapnp.h
> +++ b/include/linux/isapnp.h
> @@ -56,10 +56,6 @@
>  #define ISAPNP_DEVICE_ID(_va, _vb, _vc, _function) \
>  		{ .vendor = ISAPNP_VENDOR(_va, _vb, _vc), .function = ISAPNP_FUNCTION(_function) }
>  
> -/* export used IDs outside module */
> -#define ISAPNP_CARD_TABLE(name) \
> -		MODULE_GENERIC_TABLE(isapnp_card, name)
> -
>  struct isapnp_card_id {
>  	unsigned long driver_data;	/* data private to the driver */
>  	unsigned short card_vendor, card_device;
> diff --git a/include/linux/module.h b/include/linux/module.h
> index 54aef1b38463..73c8c06c25bf 100644
> --- a/include/linux/module.h
> +++ b/include/linux/module.h
> @@ -83,15 +83,6 @@ void sort_extable(struct exception_table_entry *start,
>  void sort_main_extable(void);
>  void trim_init_extable(struct module *m);
>  
> -#ifdef MODULE
> -#define MODULE_GENERIC_TABLE(gtype,name)			\
> -extern const struct gtype##_id __mod_##gtype##_table		\
> -  __attribute__ ((unused, alias(__stringify(name))))
> -
> -#else  /* !MODULE */
> -#define MODULE_GENERIC_TABLE(gtype,name)
> -#endif
> -
>  /* Generic info of form tag = "info" */
>  #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
>  
> @@ -142,8 +133,14 @@ extern const struct gtype##_id __mod_##gtype##_table		\
>  /* What your module does. */
>  #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
>  
> -#define MODULE_DEVICE_TABLE(type,name)		\
> -  MODULE_GENERIC_TABLE(type##__##name##_device, name)
> +#ifdef MODULE
> +/* Creates an alias so file2alias.c can find device table. */
> +#define MODULE_DEVICE_TABLE(type, name)					\
> +  extern const struct type##_device_id __mod_##type##__##name##_device_table \
> +  __attribute__ ((unused, alias(__stringify(name))))
> +#else  /* !MODULE */
> +#define MODULE_DEVICE_TABLE(type, name)
> +#endif
>  
>  /* Version of form [<epoch>:]<version>[-<extra-version>].
>     Or for CVS/RCS ID version, everything but the number is stripped.
> -- 
> 2.7.0
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