RE: [RFC PATCH 11/12] e1000e: write protect ICHx NVM to preventmalicious write/erase

[Allan, Bruce W]

On Wednesday, October 01, 2008 6:29 AM, Jiri Kosina wrote:
>
>Olaf raised a rather interesting question -- would iAMT be
>able to access
>NVM contents directly, even if the lock bit would be set on the device?
>I.e. is iAMT allowed direct access to the EEPROM contents, bypassing
>shadow ram mappings?
>
>Thanks,
>
>--
>Jiri Kosina
>SUSE Labs
>

Only write/erase accesses are blocked by hardware after the protected range and lockdown bits are set in this patch; reads are still allowed.  I just received confirmation that iAMT does not write to the GbE region of the NVM.
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