On Wed, Jan 17, 2018 at 10:12:32AM -0800, Andy Lutomirski wrote: > I would optimize for simplicity, not speed. You're already planning > to write to CR3, which is serializing, blows away the TLB, *and* takes > the absurdly large amount of time that the microcode needs to blow > away the TLB.
Okay, so I am going to do the stack-switch before pt_regs is restored.
This is at least better than playing games with hiding the entry/exit
%esp somewhere in stack-memory.
Thanks,
Joerg
