On 21-11-18 15:20:34, Saransh Gupta1 wrote: > Hi Ben and Jonathan, > > Thanks for your replies. I'm looking forward to the patches. > > For QEMU, I see hotplug support as an item on the list and would like to > start working on it. It would be great if you can provide some pointers > about how I should go about it.
It's been a while, so I can't recall what's actually missing. I think it should mostly behave like a normal PCIe endpoint. > Also, which version of kernel and QEMU (maybe Jonathan's upcoming version) > would be a good starting point for it? If he rebased and claims it works I have no reason to doubt it :-). I have a small fix on my v4 branch if you want to use the latest port patches. > > Thanks, > Saransh > > > > From: "Jonathan Cameron" <jonathan.came...@huawei.com> > To: "Ben Widawsky" <ben.widaw...@intel.com> > Cc: "Saransh Gupta1" <sara...@ibm.com>, <linux-...@vger.kernel.org>, > <qemu-devel@nongnu.org> > Date: 11/17/2021 09:32 AM > Subject: [EXTERNAL] Re: Follow-up on the CXL discussion at OFTC > > > > On Wed, 17 Nov 2021 08:57:19 -0800 > Ben Widawsky <ben.widaw...@intel.com> wrote: > > > Hi Saransh. Please add the list for these kind of questions. I've > converted your > > HTML mail, but going forward, the list will eat it, so please use text > only. > > > > On 21-11-16 00:14:33, Saransh Gupta1 wrote: > > > Hi Ben, > > > > > > This is Saransh from IBM. Sorry to have (unintentionally) dropped > out > > > of the conversion on OFTC, I'm new to IRC. > > > Just wanted to follow-up on the discussion there. We discussed > about > > > helping with linux patches reviews. On that front, I have > identified > > > some colleague(s) who can help me with this. Let me know if/how you > > > want to proceed with that. > > > > Currently the ball is in my court to re-roll the RFC v2 patches [1] > based on > > feedback from Dan. I've implemented all/most of it, but I'm still > debugging some > > issues with the result. > > > > > > > > Maybe not urgently, but my team would also like to get an > understanding > > > of the missing pieces in QEMU. Initially our focus is on type3 > memory > > > access and hotplug support. Most of the work that my team does is > > > open-source, so contributing to the QEMU effort is another possible > > > line of collaboration. > > > > If you haven't seen it already, check out my LPC talk [2]. The QEMU > patches > > could use a lot of love. Mostly, I have little/no motivation until > upstream > > shows an interest because I don't have time currently to make sure I > don't break > > vs. upstream. If you want more details here, I can provide them, and I > will Cc > > the qemu-devel mailing list; the end of the LPC talk [2] does have a > list. > Hi Ben, Saransh > > I have a forward port of the series + DOE etc to near current QEMU that is > lightly tested, > and can look to push that out publicly later this week. > > I'd also like to push QEMU support forwards and to start getting this > upstream in QEMU > + fill in some of the missing parts. > > Was aiming to make progress on this a few weeks ago, but as ever other > stuff > got in the way. > > +CC qemu-devel in case anyone else also looking at this. > > Jonathan > > > > > > > > > > > Thanks for your help and guidance! > > > > > > Best, > > > Saransh Gupta > > > Research Staff Member, IBM Research > > > > [1]: > https://lore.kernel.org/linux-cxl/20211022183709.1199701-1-ben.widaw...@intel.com/T/#t > > > > [2]: > https://www.youtube.com/watch?v=g89SLjt5Bd4&list=PLVsQ_xZBEyN3wA8Ej4BUjudXFbXuxhnfc&index=49 > > > > > > >
