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Re: [PATCH 1/3] x86/entry: Fix ELF metadata for NMI and handle_ist_exception


  • To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Tue, 23 Jan 2024 10:10:24 +0100
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  • Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Tue, 23 Jan 2024 09:10:47 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 22.01.2024 19:17, Andrew Cooper wrote:
> handle_ist_exception isn't part of the NMI handler, just like handle_exception
> isn't part of #PF.
> 
> Fixes: b3a9037550df ("x86: annotate entry points with type and size")
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

It's a matter of consistency, yes, but personally I wouldn't consider this a
bug (and hence I see no reason for Fixes:). But I can see how different
perspectives here are possible. One this went in, I'll have to remember to
also deal with this case in "common: honor CONFIG_CC_SPLIT_SECTIONS also for
assembly functions".

Jan



 


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