On 11/24/2017 04:16 AM, Peter Zijlstra wrote: > On Fri, Nov 24, 2017 at 10:14:30AM +0100, Ingo Molnar wrote: >> +The minimalistic kernel portion of the user page tables try to >> +map only what is needed to enter/exit the kernel such as the >> +entry/exit functions themselves and the interrupt descriptor >> +table (IDT). > > There are a few unnecessary things that get mapped >> +such as the first C function when entering an interrupt (see >> +comments in kaiser.c). > > If I understood Andy's patches correctly, this should no longer be > required. Is this text still correct?
It is out of date. We were able to remove the irq handler mappings.
