From: Ian Zimmerman <itz@very.loosely.org>
To: gentoo-user@lists.gentoo.org
Subject: [gentoo-user] Re: Vulnerability info in /sys
Date: Mon, 12 Feb 2018 19:39:53 -0800 [thread overview]
Message-ID: <20180213033953.3e3xvylqztf7wear@matica.foolinux.mooo.com> (raw)
In-Reply-To: <0f3b0c4c-1f72-072a-cb80-5f146d5157a8@gmail.com>
On 2018-02-12 19:24, Daniel Frey wrote:
> I've read online that there should be vulnerability info (Meltdown,
> Spectre) in /sys under /sys/devices/system/cpu/vulnerabilities but this
> doesn't exist on my PC.
> I've updated to gentoo-sources-4.9.76-r1, shouldn't this info be present?
>
> $ uname -a
> Linux zatpc 4.9.76-gentoo-r1 #1 SMP Mon Feb 12 09:20:32 PST 2018 x86_64
> Intel(R) Core(TM)2 Extreme CPU X9650 @ 3.00GHz GenuineIntel GNU/Linux
See the other threads: you need at least 4.9.79 for the /sys bits.
If you've enabled PTI at build time it's enabled, no need to do anything
else.
Later 4.9 kernels also contain patches for spectre (PTI is not relevant
there).
--
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next prev parent reply other threads:[~2018-02-13 3:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-13 3:24 [gentoo-user] Vulnerability info in /sys Daniel Frey
2018-02-13 3:39 ` Ian Zimmerman [this message]
2018-02-14 2:38 ` [gentoo-user] " Daniel Frey
2018-02-14 3:19 ` Ian Zimmerman
2018-02-14 17:29 ` Nikos Chantziaras
2018-02-15 0:57 ` Daniel Frey
2018-02-15 1:22 ` Nikos Chantziaras
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