Re: [PATCH v6 0/4] virtio-net: disable delayed refill when pausing rx

[Michael S. Tsirkin]

On Fri, Apr 25, 2025 at 02:10:14PM +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@xxxxxxxxxx/T/

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

> Version 6 changes:
> - Rebase on net-next and resolve conflicts
> - Move the retry logic to xdp_helper
> 
> 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 (4):
>   selftests: net: move xdp_helper to net/lib
>   selftests: net: add flag to force zerocopy mode in xdp_helper
>   selftests: net: retry when bind returns EBUSY in xdp_helper
>   selftests: net: add a virtio_net deadlock selftest
> 
>  .../testing/selftests/drivers/net/.gitignore  |  1 -
>  tools/testing/selftests/drivers/net/Makefile  |  1 -
>  .../testing/selftests/drivers/net/hw/Makefile |  1 +
>  .../selftests/drivers/net/hw/xsk_reconfig.py  | 60 +++++++++++++++++++
>  .../selftests/drivers/net/napi_id_helper.c    |  2 +-
>  tools/testing/selftests/drivers/net/queues.py |  4 +-
>  tools/testing/selftests/net/lib/.gitignore    |  1 +
>  tools/testing/selftests/net/lib/Makefile      |  1 +
>  .../selftests/{drivers/net => net/lib}/ksft.h |  0
>  .../{drivers/net => net/lib}/xdp_helper.c     | 39 +++++++++---
>  10 files changed, 98 insertions(+), 12 deletions(-)
>  create mode 100755 tools/testing/selftests/drivers/net/hw/xsk_reconfig.py
>  rename tools/testing/selftests/{drivers/net => net/lib}/ksft.h (100%)
>  rename tools/testing/selftests/{drivers/net => net/lib}/xdp_helper.c (78%)
> 
> -- 
> 2.43.0