netdev - Re: [PATCH v1] mac80211_hwsim: add concurrent channels scanning support over virtio

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Message-ID: <CAD-gUuCt5ugOyo-9Ge5omTgNJu26OORZFEZ2tSnQEiNLZN9ZyA@mail.gmail.com>
Date:   Thu, 6 May 2021 14:11:55 -0700
From:   Weilun Du <wdu@...gle.com>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, kernel-team@...roid.com,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] mac80211_hwsim: add concurrent channels scanning
 support over virtio

On Thu, May 6, 2021 at 11:19 AM Johannes Berg <johannes@...solutions.net> 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!