Revert "x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation"
It's not ready for the stable trees as there are major slowdowns involved with t
his patch.
简而言之可说补洞的代价太大了...
目前
4.19.4
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.4
和
4.14.83
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.83
撤回STIBP
是否加回来或还能怎么改
有待观察
这真是场灾难...