On Thu, Jan 08, 2015 at 03:11:35PM +0000, Bryan O'Donoghue wrote:
>
> >Suggest to split the imr_del() into 2 functions:-
> >(1) by address + size
> >(2) by IMR index
> >At current implementation, it does not support (2) only because it fails at
> >imr_check_range().
>
> Hi Boon Leong.
>
> I'll have a think about that :)
>
> Just on imr_del() though, it does support removal by way of index.
>
> +static void __init intel_galileo_imr_init(void)
> +{
> + unsigned long base = virt_to_phys(&_text);
> + unsigned long size = virt_to_phys(&_sinittext) - base - IMR_ALIGN;
> + int i, ret;
> +
> + /* Tear down all existing unlocked IMRs */
> + for (i = 0; i <= QUARK_X1000_IMR_NUM; i++)
> + imr_del(i, 0, 0);
>
> That's what the platform code has to do for every unlocked IMR, to make sure
> there are no stale IMRs left that could conflict with the EFI memory map !
I'm OK with a single function so long as by index works without having to
specify the address. Please update the kernel doc to describe this usage though.
--
Darren Hart
Intel Open Source Technology Center
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