DragonFlyBSD's Meltdown Fix Causing More Slowdowns Than Linux

< Previous Photograph - Return To Article - Next Photograph >

DragonFlyBSD's Meltdown Fix Causing More Slowdowns Than Linux: Following the move by Linux to introduced Kernel Page Table Isolation (KPTI) to address the Meltdown vulnerability affecting Intel CPUs, DragonFlyBSD has implemented better user/kernel separation to address this issue. While the Linux performance hit overall was minor, in our tests carried out so far the DragonFlyBSD kernel changes are causing more widespread slowdowns.