Re: [PATCH] x86/hyperv: Mark hv_ghcb_terminate() as noreturn

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On 10/03/2023 12:24, Josh Poimboeuf wrote:
> On Fri, Mar 10, 2023 at 11:02:52AM -0300, Guilherme G. Piccoli wrote: 
> I'd recommend also adding it to the objtool global_noreturns list,
> otherwise this patch will probably trigger warnings with other non-IBT
> configs, in cases where the function is called from another translation
> unit, where GCC knows the function is noreturn but objtool doesn't.
> 
> We're looking at ways of eliminating global_noreturns, but it's
> unfortunately still a necessary evil at this point.
> 

Hi Josh, thanks! Makes sense, I'll respond here with a V2 doing that.


> Also, FWIW, I have a change coming soon which make these warnings much
> easier to diagnose.
> 

Cool =)



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