[PATCH 2/2] efi: implement mandatory locking for UEFI Runtime Services

[Matt Fleming]

On Tue, 08 Jul, at 11:45:03AM, Ard Biesheuvel wrote:
> 
> Well, that is what is says in the comment:
>          * ops.get_next_variable() is only called from register_efivars()
>          * or efivar_update_sysfs_entries(),
>          * which is protected by the BKL, so that path is safe.
 
Oops, so it does. That's a stale comment. I'll update it.

> I agree. So shall I update my patch to add a single spin_lock that is
> used by all wrappers?
> We will likely need the wrappers on ARM as well, only ia64 needs
> another approach (if desired)

Please do, that would be great!

-- 
Matt Fleming, Intel Open Source Technology Center