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Re: [Xen-devel] [PATCH] x86/sysctl: Don't return cpu policy data for compiled-out support

  • To: Jan Beulich <jbeulich@xxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Wed, 26 Feb 2020 09:58:53 +0000
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  • Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Wed, 26 Feb 2020 09:59:18 +0000
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On 26/02/2020 09:32, Jan Beulich wrote:
> On 25.02.2020 18:31, Andrew Cooper wrote:
>> Policy objects aren't tiny, and the derivation logic isn't trivial.  We are
>> about to increase the number of policy objects, so take this opportunity to
>> drop logic and storage space based on CONFIG_{PV,HVM}.
> It doesn't look as if you were dropping either logic or storage space. With
> this aspect taken care of (by adjusting wording, or by clarification of what
> is meant) ...
>> Start by

That is this is here to signify.

No logic or storage space can be dropped until some #ifdef-ary is
sprinkled around cpuid.c and msr.c, but I can't do any of that while
there are unguarded external references to the objects.


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