Re: [RFC v5][PATCH 0b/4] intel_txt: Intel(R) Trusted Execution Technologysupport for Linux - Details

[Peter Jones]

On 06/23/2009 05:04 PM, Cihula, Joseph wrote:
>> From: Alan Cox [mailto:alan@xxxxxxxxxxxxxxxxxxx] Sent: Tuesday,
>> June 23, 2009 2:11 AM
>> 
>> Is there a summary of what has changes from RFC v4 ?
> 
> -  The monolithic patch was broken into four patches that represent
> discrete functionality (boot and build, reboot/halt shutdown, Sx
> shutdown, forcing DMAR on).  An appropriate (and more descriptive)
> patch description was added to each patch.
> 
> -  Small stylistic cleanups (capitalization, comment wording,
> whitespace, etc.).
> 
> -  The code in hwsleep.c that populated the tboot ACPI structures was
> moved into its own function in tboot.c.
> 
> -  Use pr_warning(), pr_info(), pr_debug().
> 
> -  Moved some #include's from the middle of tboot.c to the top.
> 
> -  Changed the memory type of the tboot shared page from
> E820_UNUSABLE to E820_RESERVED (really a change to tboot, but
> requires a change here in the checking code).
> 
> And the new patches that I'm about to send have notes in the top
> indicating their changes from the previous versions.

So it still requires a giant binary blob to be loaded into main
memory to be executed by the main CPU with full privileges (or
plausibly even more lattitude than kernel normally has), right?

-- 
        Peter
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