ACK: Re: [SRU][P/N/J:linux-azure][PATCH 0/1] azure: backport ""hv_netvsc: fix loss of early receive events from host during channel open"

[Paolo Pisati]

On Sat, Oct 11, 2025 at 10:05:21PM -0300, Vinicius Peixoto wrote:
> BugLink: https://bugs.launchpad.net/bugs/2127705
> 
> [Impact]
> 
> A race condition in the hv_netvsc module can lead to a lockup where the RX queue of the network device becomes stuck, degrading the performance for users of the Azure kernel.
> 
> [Fix]
> 
> The following fix was introduced in 6.17:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9448ccd85336
> 
> Backport it to the P/N/J:azure trees (Questing already has it) in order to fix the issue for users of the linux-azure kernel.
> 
> [Test plan]
> 
> Build tested only; Microsoft will validate the bug fix.
> 
> [Where problems could occur]
> 
> Issues with this patch could cause hangs, lockups or generally some kind of network performance degradation for virtual machines running on top of Hyper-V.
> 
> [Other info]
> SF #00418032
> 
> Dipayaan Roy (1):
>   net: hv_netvsc: fix loss of early receive events from host during
>     channel open.
> 
>  drivers/net/hyperv/netvsc.c       |  5 ++---
>  drivers/net/hyperv/rndis_filter.c | 12 +++++++++---
>  2 files changed, 11 insertions(+), 6 deletions(-)

Acked-by: Paolo Pisati <paolo.pisati at canonical.com>
-- 
bye,
p.