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Re: [Xen-devel] [PATCH] libxc/x86: avoid overflow in CPUID APIC ID adjustments

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Fri, 20 Sep 2019 15:13:56 +0200
Cc: Juergen Gross <jgross@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
Delivery-date: Fri, 20 Sep 2019 13:13:58 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 20.09.2019 14:40, Andrew Cooper wrote:
> Overall, I would suggest doing the absolute minimum change required to
> unbreak Rome CPUs.

Well, okay, I'm zapping everything else, but it feels wrong to
leave in place the similar overflow in intel_xc_cpuid_policy().

Jan

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References:
- [Xen-devel] [PATCH] libxc/x86: avoid overflow in CPUID APIC ID adjustments
  - From: Jan Beulich
- Re: [Xen-devel] [PATCH] libxc/x86: avoid overflow in CPUID APIC ID adjustments
  - From: Andrew Cooper
- Re: [Xen-devel] [PATCH] libxc/x86: avoid overflow in CPUID APIC ID adjustments
  - From: Jan Beulich
- Re: [Xen-devel] [PATCH] libxc/x86: avoid overflow in CPUID APIC ID adjustments
  - From: Andrew Cooper

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