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SubjectRe: [PATCH v2] Carry forward IMA measurement log on kexec on x86_64
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On Mon, May 09, 2022 at 11:25:22AM +0000, Boris Petkov wrote:
> On May 9, 2022 10:40:01 AM UTC, Jonathan McDowell <noodles@fb.com> wrote:
> >> powerpc and ARM64 both achieve this using device tree with a
> >> "linux,ima-kexec-buffer" node. x86 platforms generally don't make use of
> >> device tree
>
> What's wrong with making x86 use the same devicetree node(s)?

Device tree on x86 doesn't seem to be a thing; none of the distros I
regularly use enable CONFIG_OF for x86, I can only find 2 32-bit x86
platforms that actually select it and none of the plumbing for kexec on
x86 ties in device tree. I agree for platforms that make active use of
device tree that's the appropriate path, but it doesn't seem to be the
case for x86.

J.

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