Messages in this thread | | | Date | Fri, 29 Mar 2019 13:34:43 -0700 (PDT) | Subject | Re: [PATCH hyperv-fixes,v3] hv_netvsc: Fix unwanted wakeup after tx_disable | From | David Miller <> |
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From: Haiyang Zhang <haiyangz@linuxonhyperv.com> Date: Thu, 28 Mar 2019 19:40:36 +0000
> From: Haiyang Zhang <haiyangz@microsoft.com> > > After queue stopped, the wakeup mechanism may wake it up again > when ring buffer usage is lower than a threshold. This may cause > send path panic on NULL pointer when we stopped all tx queues in > netvsc_detach and start removing the netvsc device. > > This patch fix it by adding a tx_disable flag to prevent unwanted > queue wakeup. > > Fixes: 7b2ee50c0cd5 ("hv_netvsc: common detach logic") > Reported-by: Mohammed Gamal <mgamal@redhat.com> > Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Applied and queued up for -stable, thanks.
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