From: Jie Luo <jie.luo@oss.qualcomm.com>
To: netdev-bot+sashiko@kernel.org
Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org,
kuba@kernel.org, pabeni@redhat.com, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org, quic_leiwei@quicinc.com,
quic_suruchia@quicinc.com, quic_pavir@quicinc.com,
horms@kernel.org, corbet@lwn.net, skhan@linuxfoundation.org,
rdunlap@infradead.org, netdev@vger.kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
quic_kkumarcs@quicinc.com, quic_linchen@quicinc.com
Subject: Re: [PATCH net-next v2 02/11] net: ethernet: qualcomm: ppe: Fix multicast queue config table access
Date: Wed, 14 Oct 2026 15:20:53 +0800 [thread overview]
Message-ID: <56401e91-6d8e-4489-ab34-ee25af031a74@oss.qualcomm.com> (raw)
In-Reply-To: <179181020968.434549.112728167970187942@kernel.org>
On 10/12/2026 9:03 PM, netdev-bot+sashiko@kernel.org wrote:
>> Fix it by converting the queue ID to the index of the multicast queue
>> configuration table and accessing only the 3 words of the entry.
>>
>> Signed-off-by: Luo Jie <jie.luo@oss.qualcomm.com>
> [Severity: Low]
> Should this have a Fixes: tag? Commit 806268dc7efd added both the
> multicast_queue_cfg[5] declaration and the absolute queue_id indexing:
>
> Fixes: 806268dc7efd ("net: ethernet: qualcomm: Initialize PPE queue management for IPQ9574")
>
> ipq9574_ppe_qm_queue_config[] covers multicast queues 256 to 299. That
> means kernels which already have the IPQ9574 PPE QM code take the broken
> else branch in ppe_config_qm() on every probe.
>
> Since this fixes code that is already merged, could it be sent on its
> own to net with the Fixes: tag, rather than as part of the IPQ5424
> series?
The IPQ5424 QM configuration in this series depends on this fix. The
issue is only theoretical: it was found by code inspection, and no
user has reported it. So we would like to keep this patch in this series
for net-next, without the Fixes: tag.
next prev parent reply other threads:[~2026-10-14 7:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-11 13:02 [PATCH net-next v2 00/11] net: ethernet: qualcomm: ppe: Add support for IPQ5424 SoC Luo Jie
2026-10-11 13:02 ` [PATCH net-next v2 01/11] dt-bindings: net: qcom,ipq9574-ppe: Split EDMA reset into sys and apb Luo Jie
2026-10-11 13:02 ` [PATCH net-next v2 02/11] net: ethernet: qualcomm: ppe: Fix multicast queue config table access Luo Jie
2026-10-12 13:03 ` netdev-bot+sashiko
2026-10-14 7:20 ` Jie Luo [this message]
2026-10-11 13:02 ` [PATCH net-next v2 03/11] dt-bindings: net: qcom,ipq9574-ppe: Add IPQ5424 PPE support Luo Jie
2026-10-12 13:03 ` netdev-bot+sashiko
2026-10-14 7:43 ` Jie Luo
2026-10-11 13:02 ` [PATCH net-next v2 04/11] docs: networking: Document IPQ5424 as a supported SoC Luo Jie
2026-10-12 13:03 ` netdev-bot+sashiko
2026-10-11 13:02 ` [PATCH net-next v2 05/11] net: ethernet: qualcomm: ppe: Add platform support for IPQ5424 Luo Jie
2026-10-12 13:03 ` netdev-bot+sashiko
2026-10-11 13:02 ` [PATCH net-next v2 06/11] net: ethernet: qualcomm: ppe: Add IPQ5424 BM buffer configuration Luo Jie
2026-10-12 13:03 ` netdev-bot+sashiko
2026-10-11 13:02 ` [PATCH net-next v2 07/11] net: ethernet: qualcomm: ppe: Add IPQ5424 QM configuration Luo Jie
2026-10-12 13:03 ` netdev-bot+sashiko
2026-10-11 13:02 ` [PATCH net-next v2 08/11] net: ethernet: qualcomm: ppe: Add IPQ5424 scheduler resource configuration Luo Jie
2026-10-11 13:02 ` [PATCH net-next v2 09/11] net: ethernet: qualcomm: ppe: Add IPQ5424 scheduler configuration Luo Jie
2026-10-11 13:02 ` [PATCH net-next v2 10/11] net: ethernet: qualcomm: ppe: Add IPQ5424 service code configuration Luo Jie
2026-10-12 13:03 ` netdev-bot+sashiko
2026-10-11 13:02 ` [PATCH net-next v2 11/11] net: ethernet: qualcomm: ppe: Add IPQ5424 counter debugfs support Luo Jie
2026-10-11 13:05 ` [PATCH net-next v2 00/11] net: ethernet: qualcomm: ppe: Add support for IPQ5424 SoC netdev-bot+sinfo
2026-10-14 8:48 ` Jie Luo
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