Gentoo Archives: gentoo-user

From: Mick <michaelkintzios@×××××.com>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Spectre_v1 mitigations
Date: Sat, 03 Mar 2018 11:29:24
Message-Id: 2492511.QlIQ3cLoB7@dell_xps
1 I noticed two Gentoo systems (Intel & AMD) running kernel 4.14.23 show:
2
3 cat /sys/devices/system/cpu/vulnerabilities/spectre_v1
4 Mitigation: __user pointer sanitization
5
6 However, a Mint VM running kernel 4.13.0-36 shows:
7
8 cat /sys/devices/system/cpu/vulnerabilities/spectre_v1
9 Mitigation: OSB (observable speculation barrier, Intel v6)
10
11 Why would there be this difference and what does it mean?
12
13 --
14 Regards,
15 Mick

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