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From: Jesper Dangaard Brouer <hawk@kernel.org>
To: Meghana Malladi <m-malladi@ti.com>,
	dan.carpenter@linaro.org, john.fastabend@gmail.com,
	daniel@iogearbox.net, ast@kernel.org, pabeni@redhat.com,
	kuba@kernel.org, edumazet@google.com, davem@davemloft.net,
	andrew+netdev@lunn.ch
Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	srk@ti.com, Vignesh Raghavendra <vigneshr@ti.com>,
	Roger Quadros <rogerq@kernel.org>,
	danishanwar@ti.com
Subject: Re: [PATCH net 0/4] Bug fixes from XDP patch series
Date: Fri, 2 May 2025 09:16:08 +0200	[thread overview]
Message-ID: <0608a65d-f657-4ef3-aeea-7b2664aa7625@kernel.org> (raw)
In-Reply-To: <20250428120459.244525-1-m-malladi@ti.com>



On 28/04/2025 14.04, Meghana Malladi wrote:
> This patch series fixes the bugs introduced while adding
> xdp support in the icssg driver, and were reproduced while
> running xdp-trafficgen to generate xdp traffic on icssg interfaces.
> 

This patchset clearly hurts performance by introducing a lot of locking.

Can you please report what the performance regressions this is introducing?


> Meghana Malladi (4):
>    net: ti: icssg-prueth: Set XDP feature flags for ndev
>    net: ti: icssg-prueth: Report BQL before sending XDP packets
>    net: ti: icssg-prueth: Fix race condition for traffic from different
>      network sockets
>    net: ti: icssg-prueth: Fix kernel panic during concurrent Tx queue
>      access
> 
>   drivers/net/ethernet/ti/icssg/icssg_common.c | 22 ++++++++++++++++++--
>   drivers/net/ethernet/ti/icssg/icssg_prueth.c | 16 ++++++++------
>   drivers/net/ethernet/ti/icssg/icssg_prueth.h |  1 +
>   3 files changed, 31 insertions(+), 8 deletions(-)
> 
> 
> base-commit: cc17b4b9c332cc654b248619c1d8ca40d80d1155

      parent reply	other threads:[~2025-05-02  7:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-28 12:04 Meghana Malladi
2025-04-28 12:04 ` [PATCH net 1/4] net: ti: icssg-prueth: Set XDP feature flags for ndev Meghana Malladi
2025-04-28 12:04 ` [PATCH net 2/4] net: ti: icssg-prueth: Report BQL before sending XDP packets Meghana Malladi
2025-05-01 14:53   ` Jakub Kicinski
2025-05-02  6:18     ` Malladi, Meghana
2025-04-28 12:04 ` [PATCH net 3/4] net: ti: icssg-prueth: Fix race condition for traffic from different network sockets Meghana Malladi
2025-05-01 14:56   ` Jakub Kicinski
2025-05-02  9:31     ` Malladi, Meghana
2025-04-28 12:04 ` [PATCH net 4/4] net: ti: icssg-prueth: Fix kernel panic during concurrent Tx queue access Meghana Malladi
2025-05-02  7:14   ` Jesper Dangaard Brouer
2025-05-02  9:07     ` Malladi, Meghana
2025-05-02  7:16 ` Jesper Dangaard Brouer [this message]

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