Re: [PATCH 1/7] pstore/ram: Probe as early as possible

From: Kees Cook
Date: Tue Jun 19 2012 - 14:40:14 EST


On Mon, Jun 18, 2012 at 7:15 PM, Anton Vorontsov
<anton.vorontsov@xxxxxxxxxx> wrote:
> Registering the platform driver before module_init allows us to log oopses
> that happen during device probing.
>
> This requires changing module_init to postcore_initcall, and switching
> from platform_driver_probe to platform_driver_register because the
> platform device is not registered when the platform driver is registered;
> and because we use driver_register, now can't use create_bundle() (since
> it will try to register the same driver once again), so we have to switch
> to platform_device_register_data().
>
> Also, some __init -> __devinit changes were needed.
>
> Overall, the registration logic is now much clearer, since we have only
> one driver registration point, and just an optional dummy device, which
> is created from the module parameters.
>
> Suggested-by: Colin Cross <ccross@xxxxxxxxxxx>
> Signed-off-by: Anton Vorontsov <anton.vorontsov@xxxxxxxxxx>

Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>

--
Kees Cook
Chrome OS Security
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