[Fedora 17/19] bootparam: Pass acpi_rsdp pointer in bootparam

[Matthew Garrett]

On Wed, 2013-09-04 at 17:24 -0400, Vivek Goyal wrote:
> Currently kexec does not enables EFI and its tables in second kernel. Hence
> acpi rsdp root pointer is passed on command line. But secureboot does not trust
> acpi_rsdp on command line as kernel can execute some of the code as retrieved
> by following acpi_rsdp and root can modify command line. So in secureboot
> mode we ignore acpi_rsdp on command line.

How does kexec know it's getting a trustworthy version of the acpi_rsdp
pointer?

-- 
Matthew Garrett <matthew.garrett at nebula.com>