From: Stephen Hemminger
Date: Sat, 29 Sep 2018 14:52:56 +0200
> Similar to other patches from ERic.
>
> As diagnosed by Song Liu, ndo_poll_controller() can
> be very dangerous on loaded hosts, since the cpu
> calling ndo_poll_controller() might steal all NAPI
> contexts (for all RX/TX queues of
> -Original Message-
> From: Stephen Hemminger
> Sent: Saturday, September 29, 2018 8:53 AM
> To: netdev@vger.kernel.org
> Cc: Stephen Hemminger ; Haiyang Zhang
> ; Eric Dumazet
> Subject: [PATCH] hv_netvsc: remove ndo_poll_controller
>
> Similar to other
On Sat, 29 Sep 2018 14:52:56 +0200
Stephen Hemminger wrote:
> Similar to other patches from ERic.
>
> As diagnosed by Song Liu, ndo_poll_controller() can
> be very dangerous on loaded hosts, since the cpu
> calling ndo_poll_controller() might steal all NAPI
> contexts (for all RX/TX queues of th
Similar to other patches from ERic.
As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu
