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From: Pavel Machek <>
To: "Christian Krüger" <>
Subject: Re: Suggestion: „spectre_v2=off“ and „nopti“ per default in "Intel Atom N270" case?
Date: Wed, 23 May 2018 12:53:02 +0200	[thread overview]
Message-ID: <20180523105302.GE15312@amd> (raw)
In-Reply-To: <>

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On Sat 2018-05-19 21:53:02, Christian Krüger wrote:
> Hi,
> Since the old "in-order-execution" Intel CPUs like the Intel Atom N270
> (known for being installed in many Netbooks and Nettops) are not sensitive
> for "Meltdown" & "Spectre" , wouldn't it be a good idea to exclude these
> anyway "weak" CPUs from the costly patches by default?
> Browsing the web, I can "feel the difference" if the matching kernel options
> are applied on such a device.

Can you also measure the difference? Placebo effect is hard to avoid.

But yes, we do not need to do workarounds on non-buggy machines...

(cesky, pictures)

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  reply	other threads:[~2018-05-23 10:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-19 19:53 Christian Krüger
2018-05-23 10:53 ` Pavel Machek [this message]
2018-05-23 17:07   ` Johannes Hirte
2018-05-23 18:40     ` Christian Krüger

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