Re: [PATCH v9 00/17] Enable FSGSBASE instructions

From: Andi Kleen
Date: Mon Apr 13 2020 - 20:32:09 EST


> Is my attempt at understanding the current situation correct?

Yes.

Nothing breaks, and it's a nice improvement for context switch
performance, in NMI/PMU performance, and also gives user space two free
registers to play around with.

-Andi