Linux's Performance-Boosting FSGSBASE Support Dropped For Now Over Serious Bugs

While we had been looking forward to Intel FSGSBASE support for yielding some performance benefits especially in areas impacted by Spectre / Meltdown / Foreshadow / Zombieload, after the support was queued for merging into Linux 5.3, the code has now been reverted over "serious bugs" with the implementation...