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SubjectRe: [PATCH v4 00/45] x86: Kernel IBT
On Tue, Mar 08, 2022 at 12:06:18PM -0800, Josh Poimboeuf wrote:
> As talked about on IRC there are still a few outstanding issues, that
> I'm fine with fixing after the merge window during the upcoming -next
> cycle:
>
> - xen hypercall page functions need 'ret' - (I think you already fixed)
>
> - why don't unreachables need to fill up the entire sym hole?
>
> - get rid of the 'c_file' hack
>
> - improve cmdline option intuitive-ness
>
> - properly integrate the retpoline "demotion" with the new Spectre BHI
> related patches - probably still needs more discussion - for example
> we might instead want to disable IBT and warn

One more:

- Changing objtool should force a vmlinux re-link.

--
Josh

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