linux-kernel - Re: [PATCH v5 0/3] virtio-net: disable delayed refill when pausing rx

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Message-ID: <20250424070300-mutt-send-email-mst@kernel.org>
Date: Thu, 24 Apr 2025 07:03:05 -0400
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Bui Quang Minh <minhquangbui99@...il.com>
Cc: virtualization@...ts.linux.dev, Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Eugenio Pérez <eperezma@...hat.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v5 0/3] virtio-net: disable delayed refill when pausing rx

On Thu, Apr 24, 2025 at 05:47:13PM +0700, Bui Quang Minh wrote:
> Hi everyone,
> 
> This only includes the selftest for virtio-net deadlock bug. The fix
> commit has been applied already.
> 
> Link: https://lore.kernel.org/virtualization/174537302875.2111809.8543884098526067319.git-patchwork-notify@kernel.org/T/

Acked-by: Michael S. Tsirkin <mst@...hat.com>

> Version 5 changes:
> - Refactor the selftest
> 
> Version 4 changes:
> - Add force zerocopy mode to xdp_helper
> - Make virtio_net selftest use force zerocopy mode
> - Move virtio_net selftest to drivers/net/hw
> 
> Version 3 changes:
> - Patch 1: refactor to avoid code duplication
> 
> Version 2 changes:
> - Add selftest for deadlock scenario
> 
> Thanks,
> Quang Minh.
> 
> Bui Quang Minh (3):
>   selftests: net: move xdp_helper to net/lib
>   selftests: net: add flag to force zerocopy mode in xdp_helper
>   selftests: net: add a virtio_net deadlock selftest
> 
>  tools/testing/selftests/drivers/net/Makefile  |  2 -
>  .../testing/selftests/drivers/net/hw/Makefile |  1 +
>  .../selftests/drivers/net/hw/xsk_reconfig.py  | 68 +++++++++++++++++++
>  tools/testing/selftests/drivers/net/queues.py |  4 +-
>  tools/testing/selftests/net/lib/.gitignore    |  1 +
>  tools/testing/selftests/net/lib/Makefile      |  1 +
>  .../{drivers/net => net/lib}/xdp_helper.c     | 19 +++++-
>  7 files changed, 90 insertions(+), 6 deletions(-)
>  create mode 100755 tools/testing/selftests/drivers/net/hw/xsk_reconfig.py
>  rename tools/testing/selftests/{drivers/net => net/lib}/xdp_helper.c (90%)
> 
> -- 
> 2.43.0