On Mon, May 14, 2018 at 1:39 PM, <tu...@posteo.de> wrote: > Hi, > > from a previous thread I learned which micorcode file needs > to be loaded for the "fight against Spectre and Melddown"... > > Now two question came up for me: > 1.) WIth this particular micorcode loaded: Do I need to activate > the Spectre/Meldtown fix in the kernel itsself? >
AFAIK there are no fixes that rely on microcode in the kernel yet. The non-microcode dependent fixes need to be enabled. > 2.) Which microcode file gets loaded? > > cat /proc/cpuinfo (from one of the six cores): > processor : 4 > vendor_id : AuthenticAMD > cpu family : 16 > model : 10 > model name : AMD Phenom(tm) II X6 1090T Processor > stepping : 0 > microcode : 0x10000bf > cpu MHz : 1755.530 > cache size : 512 KB > physical id : 0 > siblings : 6 > core id : 4 > cpu cores : 6 > <snip> > > from linux-firmware (related lines): > /lib/firmware/amd-ucode/microcode_amd.bin > /lib/firmware/amd-ucode/microcode_amd_fam15h.bin > /lib/firmware/amd-ucode/microcode_amd.bin.asc > /lib/firmware/amd-ucode/microcode_amd_fam16h.bin *** > /lib/firmware/amd-ucode/microcode_amd_fam17h.bin > /lib/firmware/amd-ucode/microcode_amd_fam16h.bin.asc *** > /lib/firmware/amd-ucode/microcode_amd_fam15h.bin.asc > gcc man page says fam15 is bulldozer and your CPU is pre-bulldozer so you dont even need that one. Do you use barcelona aka fam10 for the march CFLAG in make.conf? Rgs, Adam
