On Thu, Mar 21, 2019 at 11:19 AM Linus Torvalds <torva...@linux-foundation.org> 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? > > What are the pressing advantages of paravirt these days? Because I can > point to a lot of pressing _disadvantages_, and not all of them are > about more complex code as shown by this patch... >
I dunno. Lots of people at least use to have serious commercial interest in it. Hey Xen folks, how close are we to being able to say "if you want to run a new kernel, you need to switch to PVH or similar"? --Andy
