Re: CVE-2017-5754: perofmance levels after patching the kernel

2018-01-05 Thread Ivan Kudryavtsev
Hi, Vladimir. I have built and upgraded dev cloud to 4.14.11 with KPTI backported and it works well, unfortunately haven't tested performance impact, but Phoronix shows it's acceptable and more to say, we don't have other choice... But, as I see the situation now is not completely mitigated and

CVE-2017-5754: perofmance levels after patching the kernel

2018-01-05 Thread Vladimir Melnik
Dear colleagues, Have you already upgraded? How do KVM-driven virtual machines feel? Did you measure or observe any changes? What does your Zabbix/Munin/etc. show? Thanks for sharing your experience. -- Best regards, V.Melnyk