Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist

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* Borislav Petkov <bp@xxxxxxxxx> wrote:

> On Fri, Jan 15, 2016 at 12:00:00PM +0100, Ingo Molnar wrote:
> > All of the cases Josh listed involve some sort of special case where we do 
> > something non-standard. (Where 'standard' == 'regular kernel C function'.)
> 
> My only worry is that next time we have to do something non-standard,
> we'll have to annotate it as well. bpf_jit case-in-point.

but that's generally OK: it's not a problem if something non-standard is visibly 
non-standard on the source code level as well.

> OTOH, I guess the generic, tool-agnostic annotation could be a step in the 
> (more-)right direction as we're saying "we're doing something special here, and 
> we're stating that fact with this here annotation."

Yeah, I think so too!

Thanks,

	Ingo
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