Re: [PATCH] ARM: xen: unexport HYPERVISOR_platform_op function

From: Arnd Bergmann
Date: Tue Oct 01 2019 - 14:58:10 EST


On Tue, Oct 1, 2019 at 7:38 PM Stefano Stabellini
<sstabellini@xxxxxxxxxx> wrote:

> Thank you for the patch. HYPERVISOR_platform_op() is an inline function,
> the underlying function that should be exported is
> HYPERVISOR_platform_op_raw. So, instead of removing
> HYPERVISOR_platform_op, we should change it to
> HYPERVISOR_platform_op_raw.

Ok, that makes sense.

> For convenience, and for testing I cooked up a patch. Arnd, if you are
> happy with it (in the sense that it solves your problem) we'll check it
> in the xentip tree, unless you would like to get it in your tree?
>

Please merge it through your tree.

> @@ -437,7 +437,7 @@ EXPORT_SYMBOL_GPL(HYPERVISOR_memory_op);
> EXPORT_SYMBOL_GPL(HYPERVISOR_physdev_op);
> EXPORT_SYMBOL_GPL(HYPERVISOR_vcpu_op);
> EXPORT_SYMBOL_GPL(HYPERVISOR_tmem_op);
> -EXPORT_SYMBOL_GPL(HYPERVISOR_platform_op);
> +EXPORT_SYMBOL_GPL(HYPERVISOR_platform_op_raw);
> EXPORT_SYMBOL_GPL(HYPERVISOR_multicall);
> EXPORT_SYMBOL_GPL(HYPERVISOR_vm_assist);
> EXPORT_SYMBOL_GPL(HYPERVISOR_dm_op);

Note that there are obviously no callers from any loadable modules in the
kernel, all users are in built-in code at the moment. As an API definition
it still makes sense though.

Arnd