Re: [patch 2/3] hd eliminate bad section references

From: maximilian attems
Date: Mon Apr 04 2005 - 18:23:50 EST


On Mon, 04 Apr 2005, Randy.Dunlap wrote:

> >-static int parse_hd_setup (char *line) {
> >+static int __init parse_hd_setup (char *line) {
..
> This one is fairly interesting and needs some resolution by someone
> who knows....

thanks a lot for your quick and profund feedback.

> On the surface, the patch is correct.
>
> Rusty, can you explain when __setup functions are called relative
> to in-kernel init functions? or put another way, can a __setup
> function safely call in __init function?
>
> Here's the function in question:
>
> static int parse_hd_setup (char *line) {
> int ints[6];
>
> (void) get_options(line, ARRAY_SIZE(ints), ints);
> hd_setup(NULL, ints);
>
> return 1;
> }
> __setup("hd=", parse_hd_setup);
>
>
>
> Should we make parse_hd_setup() __init,
> or make hd_setup() non-__init, or something else?
>
> {time passes, he looks]
>
> OK, I looked at include/linux/init.h. From what I can see
> there, __setup() causes an .init.setup section to be emitted,
> so marking __setup() function as __init would make sense.
> I think that this patch is good.

i saw that ide_setup() is __init as a bunch of lots others.
yes init.h confirms that. :)

--
maks
kernel janitor http://janitor.kernelnewbies.org/

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