From: Vincent Bernat <vincent@bernat.im>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <rth@twiddle.net>,
qemu-devel@nongnu.org
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 [thread overview]
Message-ID: <m38td89ej7.fsf@luffy.cx> (raw)
In-Reply-To: <20180108221422.GK6646@localhost.localdomain> (Eduardo Habkost's message of "Mon, 8 Jan 2018 20:14:22 -0200")
❦ 8 janvier 2018 20:14 -0200, Eduardo Habkost <ehabkost@redhat.com> :
>> 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"
next prev parent reply other threads:[~2018-01-08 22:22 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 20:50 [Qemu-devel] [PATCH] target-i386: add pcid to both Sandy Bridge and Ivy Bridge Vincent Bernat
2018-01-08 21:16 ` Eduardo Habkost
2018-01-08 21:51 ` Vincent Bernat
2018-01-08 22:14 ` Eduardo Habkost
2018-01-08 22:22 ` Vincent Bernat [this message]
2018-01-08 22:28 ` Eduardo Habkost
2018-01-08 22:37 ` Paolo Bonzini
2018-01-08 22:56 ` Eduardo Habkost
2018-01-08 23:09 ` Paolo Bonzini
2018-01-08 23:19 ` Eduardo Habkost
2018-01-09 7:04 ` Vincent Bernat
2018-01-09 6:41 ` Vincent Bernat
2018-01-09 6:40 ` Vincent Bernat
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