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SubjectRe: Re: [PATCH v2 3/3] efi: Capsule update with user helper interface
On Fri, 06 Mar, at 04:39:12PM, Peter Jones wrote:
>
> So again: do we really need or want to do this?

One thing that we totally lose the ability to do is use the capsule
interface for things *other* than firmware updates, e.g.

https://lkml.org/lkml/2013/10/16/327

Also, requiring embedded or custom OS to include fwupdate into their
existing boot solutions is a bit heavy handed when literally all they
want to do is cat a binary blob to a sysfs file.

I don't see why we can't have both solutions.

Another thing is that ESRT isn't going to be supported by every
platform.

So, for the sysfs interface, let's not allow loading from /lib. Let's
not require a userland tool. Let's just do,

# echo /path/to/my/awesome/capsule.bin > /sys/../capsule

and be done with it.

Hmmm?

--
Matt Fleming, Intel Open Source Technology Center


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