Linux4.20針對Meltdown/Spectre/..修正 - 3C
By Erin
at 2018-11-19T17:33
at 2018-11-19T17:33
Table of Contents
https://blog.gslin.org/archives/2018/11/19/8573/linux-kernel-4-20-
%E4%BF%AE%E6%AD%A3%E4%BA%86%E4%B8%80%E5%8D%A1%E8%BB%8A-intel-cpu-bug
%EF%BC%8C%E7%84%B6%E5%BE%8C%E6%95%88%E8%83%BD%E6%8E%89%E5%85%89%E4%BA%86/
https://tinyurl.com/y83ejqc9 (縮網址)
這邊整理了Phoronix在Linux Kernel 4.20上實裝所有針對Intel CPU 安全漏洞修正
作出來的性能比較
( https://www.phoronix.com/scan.php?page=article&item=linux-420-bisect )
Intel基本上都要損失30~50%性能 而且並不止於高階CPU (i5/i3等也都一樣)
我們希望這是因為Linux Kernel 4.20大量code修正的Regression
(這次RC 4.20總共引入了35.4萬行code) 不然30~50%實在是...
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