Peter Zijlstra <[email protected]> writes: > On Thu, May 28, 2020 at 04:53:17PM +0200, Thomas Gleixner wrote: >> The difference between 32 and 64 bit vs. early #PF handling is not >> documented. Replace the FIXME at idt_setup_early_pf() with proper comments. >> + * Note, that X86_64 cannot install the real #PF handler in >> + * idt_setup_early_traps() because the memory intialization needs the #PF >> + * handler from the early_idt_handler_array to initialize the early page >> + * tables. > > + "See early_make_pgtables()" ? > > I had to frob around in head_64.S to find wth that early handler > actually did.
True.
