Re: MemoryOverwriteRequestControl

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Jul 04, 2016 at 02:31:57PM -0700, James Bottomley wrote:

> Currently, the kernel does nothing with this, but you'd more expect
> something in userspace to do something with it, probably a component of
> the TSS.

The OS loader is expected to set MOR to 1, so given the boot stub 
there's need for kernel support. A "correct" implementation would also 
involve the kernel clearing all its secrets before reboot and then 
setting it back to 0, so I don't think we can just punt responsibility 
to userspace.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-efi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux