Re: [PATCH V2] x86/boot: explicitly place .eh_frame after .rodata

From: Borislav Petkov
Date: Mon Nov 18 2019 - 12:52:34 EST

On Mon, Nov 18, 2019 at 09:46:23AM -0800, Nick Desaulniers wrote:
> Yep. Looks like:
> - arch/x86/kernel/
> - arch/x86/realmode/rm/
> discard .eh_frame, while
> - arch/x86/entry/vdso/
> - arch/x86/um/vdso/
> keep it. I assume then that just vdso code that get linked into
> userspace needs to preserve this.

Yap, that's what I think too. Lemme add Andy to Cc.

> This suggestion would be a functional change, which is why we pursued
> the conservative change preserving it.

Sure but what would be the purpose of preserving the section, especially
in the early boot code? At least I don't see one. And kernel-proper
kills it...