On 21/03/2019 19:18, Linus Torvalds wrote: > On Thu, Mar 21, 2019 at 11:05 AM Andy Lutomirski <l...@amacapital.net> wrote: >> >> In the long run, I think the right solution is to rewrite even more of >> this mess in C. We really ought to be able to put the IRQ flag >> tracing and the context tracking into C code. > > Tangentially about this long run thing - can we start discussing just > dropping PV mode entirely in the long run? Or even not-so-long run?
As Andrew already said: the work is ongoing, but hard. What I'm planning to do, however, is dropping 32-bit PV code from the kernel not too far in the future. This is only a small step, but it is a move in the right direction. Juergen