On 01/04/2018 01:50 PM, James Knott wrote:
You could suffer worse ... TYPICAL slowdown is supposed to be about
5%. Worst case is nearer 30% I believe ... I see there's a couple of software updates available now, kernel-firmware and microcode updates for AMD CPUs. Would these have anything to do with this problem.
It appears they do. Here's what the patch description says: "openSUSE-2018-1 - Security update for kernel-firmware This update for kernel-firmware fixes the following issues: - Add microcode_amd_fam17h.bin (bsc#1068032 CVE-2017-5715) This new firmware disables branch prediction on AMD family 17h processor to mitigate a attack on the branch predictor that could lead to information disclosure from e.g. kernel memory (bsc#1068032 CVE-2017-5715)." -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org