Re: [Xen-devel] [PATCH] x86/Xen: don't report ancient LAPIC version

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 08.12.17 at 14:22, <jgross@xxxxxxxx> wrote:
> On 08/12/17 12:17, Jan Beulich wrote:
>> Unconditionally reporting a value seen on the P4 or older invokes
>> functionality like io_apic_get_unique_id() on 32-bit builds, resulting
>> in a panic() with sufficiently many CPUs and/or IO-APICs. Doing what
>> that function does would be the hypervisor's responsibility anyway, so
>> makes no sense to be used when running on Xen. Uniformly report a more
>> modern version; this shouldn't matter much as both LAPIC and IO-APIC are
>> being managed entirely / mostly by the hypervisor.
>> 
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> Reviewed-by: Juergen Gross <jgross@xxxxxxxx>

Thanks.

> BTW: Cc: stable?

Maybe - the issue not having bothered anybody for years made
me uncertain whether anyone other than me actually cared.

Jan


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