> From: Wei Liu <wei.liu@xxxxxxxxxx> > Sent: Monday, April 20, 2020 5:08 AM > > I would suggest make this clear in the commit message to not give the > impression that Hyper-V has this weird behaviour of corrupting guest > memory for no reason. > > We can replace the paragraph starting with "The issue is: ..." with: > > --- > Linux needs to update Hyper-V the correct VP assist page to prevent > Hyper-V from writing to a stale page, which causes guest memory > corruption. The memory corruption may have caused some of the hangs and > triple faults we saw during non-boot CPUs resume. > --- > This What do you think? This version is much better. I'll use it. Thanks, Wei! I'll post a v2 with the updated comments. I'll document Vitaly's concern about nested virtualization in the comment. Thanks, -- Dexuan
