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From: Vincent Bernat <vincent@bernat.im>
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Date: Mon, 08 Jan 2018 23:22:36 +0100
In-Reply-To: <20180108221422.GK6646@localhost.localdomain> (Eduardo Habkost's
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Subject: Re: [Qemu-devel] [PATCH] target-i386: add pcid to both Sandy Bridge
 and Ivy Bridge
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To: Eduardo Habkost <ehabkost@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <rth@twiddle.net>, qemu-devel@nongnu.org

 =E2=9D=A6  8 janvier 2018 20:14 -0200, Eduardo Habkost <ehabkost@redhat.co=
m>=C2=A0:

>> What are the consequences of running a too old kernel? Would KVM just
>> hide PCID flag?
>
> On an old kernel, the SandyBridge and IvyBridge CPU models will
> be unexpectedly become not runnable.

But, isn't it the same for more recent models that already have PCID
enabled?
--=20
Extreme fear can neither fight nor fly.
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