On Thu, May 6, 2021 at 2:13 PM Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > > On Thu, 2021-05-06 at 14:11 -0700, Weilun Du wrote: > > On Thu, May 6, 2021 at 11:19 AM Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > > > > > > On Thu, 2021-05-06 at 11:05 -0700, Weilun Du wrote: > > > > This fixed the crash when setting channels to 2 or more when > > > > communicating over virtio. > > > > > > Interesting, I thought I was probably the only user of virtio? :) > > > > > > johannes > > > > > Hi Johannes, > > Actually, Android Emulator uses mac80211_hwsim for wifi simulation > > over virtio and it's working. This patch fixed the crash when we set > > channels=2 to speed up scanning. I am trying to see if it makes sense > > to upstream this patch since it's not Android-specific. Thanks! > > > Oh sure, I'll take a look and will probably apply it for the next cycle, > haven't done an in-depth review. I was just surprised somebody actually > *used* the virtio thing :-) > > Does that mean virt_wifi isn't used anymore by the Android emulator? > Maybe then we should remove that again, it had some obscure bugs that > syzkaller found? Not that I mind it being around much, but ... > > johannes > Thanks for looking into it. Actually, virt_wifi is still in use. There are two different emulators that target different use cases. Android emulator (goldfish) is mainly for third-party app developers. But yes eventually, we are going to converge the Wi-Fi solution.