On 02/12/18 19:39, Ian Zimmerman wrote: > 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). >
I'm surprised I missed those threads, I read all messages on here. According to the thread I found it's actually starts on 4.9.77, I'm just on the latest stable (.76). Dan
