Re: [PATCH v1 3/3] x86/mm: Encrypt the initrd earlier for BSP microcode update

From: Borislav Petkov
Date: Thu Dec 21 2017 - 12:13:23 EST

On Thu, Dec 21, 2017 at 10:48:29AM -0600, Tom Lendacky wrote:
> This is very early in the boot and the boot parameters have not been
> copied to boot_params yet, so I need the pointer. And since the routines
> in arch/x86/kernel/setup.c also use boot_params, those would have to be
> modified to accept a pointer rather than automatically using boot_params.
> I'm not sure it's worth all that.

I fear that this computation of the ramdisk address and size keeps
duplicating around the tree. And you could pass in struct boot_params *
to those functions but ok, it is simple enough, so whatever. We can
always clean it up later if it grows unwieldy...


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