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Subject: Re: [RFC,PATCH v2] efi: Add support for a UEFI variable filesystem
From: Matt Fleming <matt.fleming@intel.com>
To: Jeremy Kerr <jeremy.kerr@canonical.com>
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On Thu, 2012-09-06 at 22:37 +0800, Jeremy Kerr wrote:
> That's correct, but we can't use unlink to delete a secure variable, we 
> need to do a write instead, in order to provide the authentication 
> descriptor.

Ah, duh. Thanks for clearing that up.