Re: [RFC 2/3] module: Ignore delete_id parameter

From: Greg Kroah-Hartman
Date: Thu Sep 28 2017 - 05:02:44 EST


On Wed, Sep 27, 2017 at 04:40:21PM -0400, Jon Derrick wrote:
> The PCI driver delete_id parameter is handled in each individual driver
> registration callback.
>
> Signed-off-by: Jon Derrick <jonathan.derrick@xxxxxxxxx>
> ---
> kernel/module.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/kernel/module.c b/kernel/module.c
> index de66ec8..2b2dccf 100644
> --- a/kernel/module.c
> +++ b/kernel/module.c
> @@ -3620,6 +3620,13 @@ static int unknown_module_param_cb(char *param, char *val, const char *modname,
> return 0;
> }
>
> + /*
> + * Ignore driver delete list arguments. They are handled by driver
> + * registration callbacks
> + */
> + if (strcmp(param, "delete_id") == 0)
> + return 0;

Why? This is only for the PCI core as you have defined it in this
patchset, but you just broke this module id for all other kernel modules
in the system :(

If you want to do this, you need to provide this feature for _all_
kernel drivers...

thanks,

greg k-h