Re: [PATCH v7 1/2] efi: export efi_capsule_supported() function symbol

[Bryan O'Donoghue]

On 07/10/15 03:01, Kweh, Hock Leong wrote:
> > -----Original Message-----
> > From: Bryan O'Donoghue [mailto:pure.logic@xxxxxxxxxxxxxxxxx]
> > Sent: Tuesday, October 06, 2015 10:54 PM
> > > > Aside from that, I'm curious which types of capsules you've used here
> > > > too - does it include the MFH header ? Keep in mind the initial
> > > > firmware that shipped with Galileo will depend on that MFH being
> > present.
> > > >
> > http://download.intel.com/support/processors/quark/sb/quark_secureboo
> > > > t
> > > > prm_330234_001.pdf
> > > > - Section A1 - table 7 ?
> > > >
> > > > So if we boot a 4.x kernel with that initial firmware version 0.75 if
> > > > memory serves - it's important that the capsule.c code handles the MFH.
> > >
> > > Already got agreement with Matt that Quark Security Header patch will
> > > not be upstream to mainline as it is not a standard header. So Intel
> > > will carry this patch ourselves.
> >
> > Right... so what sort of capsule are you testing with ?
>
> I am testing on Intel Galileo Gen 1 with bios version v0.7.5, v0.8.0, v1.0.1 & v1.0.2.
>
> Thanks & Regards,
> Wilson

Hmm.

That's pretty confusing.

The 0.75 BIOS requires the MFH as far as I remember. If the capsule you 
are using doesn't have the MFH - how is this working ?
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