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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"