Contributed by rueda on from the reduce-speed-now dept.
Working at p2k18, Theo de Raadt (deraadt@) has committed Spectre Variant 2 mitigations:
CVSROOT: /cvs Module name: src Changes by: firstname.lastname@example.org 2018/04/27 09:19:32 Modified files: sys/arch/amd64/conf: Makefile.amd64 sys/arch/i386/conf: Makefile.i386 Log message: -fretpoline for non-RAMDISK kernels. Skylake product needs it, and therefore all other x86 cpus must pay the performance price of the hazard workaround until Skylake disappears from the ecosystem eventually like 486. This returns your cpu's performance to pre-inflated performance. ok mlarkin guenther
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