On Fri, Dec 02, 2022, Paolo Bonzini wrote: > On 11/30/22 20:51, David Woodhouse wrote: > > On Wed, 2022-11-30 at 17:03 +0100, Paolo Bonzini wrote: > > > On 11/27/22 13:22, David Woodhouse wrote: > > > > Clean the update code up a little bit by unifying the fast and slow > > > > paths as discussed, and make the update flag conditional to avoid > > > > confusing older guests that don't ask for it. > > > > > > > > On top of kvm/queue as of today at commit da5f28e10aa7d. > > > > > > > > (This is identical to what I sent a couple of minutes ago, except that > > > > this time I didn't forget to Cc the list) > > > > > > > > > > > > > > Merged, thanks. > > > > Thanks. I've rebased the remaining GPC fixes on top and pushed them out > > (along with Metin's SCHEDOP_poll 32-bit compat support) to > > > > https://git.infradead.org/users/dwmw2/linux.git/shortlog/refs/heads/gpc-fixes > > Oh, so we do pull requests now too? I'm all for it, but please use signed > tags. :) > > > I still haven't reinstated the last of those patches to make gpc->len > > immutable, although I think we concluded it's fine just to make the > > runstate code claim gpc->len=1 and manage its own destiny, right? > > Yeah, I'm not super keen on that either, but I guess it can work with any of > len == 1 or len == PAGE_SIZE - offset. > > Related to this, for 6.3 I will send a cleanup of the API to put together > lock and check. We ended up with multiple threads on this topic. Maybe pick up the conversation here? https://lore.kernel.org/all/Y4ovbTiLQ2Jy0em9@xxxxxxxxxx
