[PATCH v4 0/3] arm64: EFI stub isolation

Matt Fleming matt at codeblueprint.co.uk
Sat Oct 10 15:40:51 PDT 2015

On Thu, 08 Oct, at 08:02:01PM, Ard Biesheuvel wrote:
> We need to ensure that the EFI stub only uses parts of the kernel proper
> that are safe to use when the kernel virtual mapping is not active yet.
> So move all C code dependencies to the libstub, which is built with all
> instrumentation (gcov, kasan) disabled, and do a verification pass to
> ensure that no absolute relocations are used.
> On the arm64 side, annotate all the stub's dependencies as safe for PI
> (position independent
> @Matt: if you are OK with these, may we please have your ack on patches #1 and
> #2 so that Catalin can pick up the series? Thanks.

I assumed you meant PATCH 1 and PATCH 3. If so, yeah, these look fine
to be taken through Catalin's tree.

Matt Fleming, Intel Open Source Technology Center

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