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Re: [Qemu-devel] [PATCH] target-i386: add pcid to both Sandy Bridge and


From: Vincent Bernat
Subject: Re: [Qemu-devel] [PATCH] target-i386: add pcid to both Sandy Bridge and Ivy Bridge
Date: Mon, 08 Jan 2018 23:22:36 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

 ❦  8 janvier 2018 20:14 -0200, Eduardo Habkost <address@hidden> :

>> 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?
-- 
Extreme fear can neither fight nor fly.
                -- William Shakespeare, "The Rape of Lucrece"



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