[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH V4 00/24] IOREQ feature (+ virtio-mmio) on Arm
On 14.01.21 18:11, Ian Jackson wrote: Hi Ian Hi, thanks for giving this update. Since you were the only person who took the time to send such an update I feel I can spend some time on trying to help with any obstacles you may face. Thank you. Hence this enquiry:Oleksandr writes ("Re: [ANNOUNCE] Xen 4.15 release schedule and feature tracking"):I work on virtio-mmio on Arm which involves x86's IOREQ/DM features. Currently I am working on making the said features common, implementing missing bits, code cleanup an hardening, etc. I don't think the virtio-mmio is a 4.15 material, but it would be great have at least "common" IOREQ/DM in 4.15...P: your current estimate of the probability it making 4.15, as a %ageDifficult to say, it depends ... RFC was posted Aug 3, 2020, The last posted version is V3. Currently I am in the middle of preparing v4, still need to find a common ground for few bits.So, I'm replying to V4 here. Did you resolve your issues ? I think, yes. I hope, I addressed all review сomments/requests for V3. What are the major outstanding risks to this series and do you need any help from the Xen Project (eg from me as Release Manager) ? I would like to get the review for V4 for me to be able to make the required changes in time. Last 2 patches could be skipped for now, I don't expect the VirtIO to be in 4.15 (I keep these patches for visibility reason and test purposes): - libxl: Introduce basic virtio-mmio support on Arm - [RFC] libxl: Add support for virtio-disk configuration But, first 22 patches (IOREQ/DM) I would like to see in 4.15.Also what worries me the most is that a quite big series hasn't been fully tested on x86 (only build tested). NB I have not been following this series in detail - I'm just looking at your mail and your 00/ posting and so on. So if there is some blocker or risk I am probably unaware of it. I notice that there's one libxl RFC patch in there. Since that's in my bailiwick I will try to review it soon. Thank you, please note, this RFC patch is not a target for 4.15, no rush) For the next version I will drop these VirtIO related patches. -- Regards, Oleksandr Tyshchenko
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