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). -- Please don't Cc: me privately on mailing lists and Usenet, if you also post the followup to the list or newsgroup. To reply privately _only_ on Usenet, fetch the TXT record for the domain.