Re: [Xen-devel] [RFC 13/14] xen/xsm: Add support for device tree

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Ian,

On 03/14/2014 05:34 PM, Ian Campbell wrote:
> On Wed, 2014-03-12 at 16:16 +0000, Julien Grall wrote:
>> This patch adds a new module "xen,xsm-blob" to allow the user to load the XSM
>> policy when Xen is booting.
> 
> While xsm_dt_policy_init does seem DT specific the xem_dt_init is very
> similar to the xsm_multiboot_init. Can they not be a common function
> with #ifdef HAVE_MULTIBOOT / #ifdef HAVE_DEVICETREE around the relevant
> specific bits (essentially just the call to the relevant policy_init)?
> Or at least refactor the tail of xsm_init into xsm_core_init which both
> cases can call into.

The parameters of the function is not the same and it seems stupid to
also ifdef the list of arguments :).

I can at least create a new function with

    if ( verify(&dummy_xsm_ops) )
    {
        printk("%s could not verify dummy_xsm_ops structure.\n",
               __FUNCTION__);
        ret = -EIO;
        goto err;
    }

    xsm_ops = &dummy_xsm_ops;
    do_xsm_initcalls();

Regards,

-- 
Julien Grall

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