netdev - Re: [PATCH net v2] net: mtk: wed: add dma mask limitation and GFP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20251009085445.GV3060232@horms.kernel.org>
Date: Thu, 9 Oct 2025 09:54:45 +0100
From: Simon Horman <horms@...nel.org>
To: Lorenzo Bianconi <lorenzo@...nel.org>
Cc: Felix Fietkau <nbd@....name>, Sean Wang <sean.wang@...iatek.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Sujuan Chen <sujuan.chen@...iatek.com>, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, Rex Lu <rex.lu@...iatek.com>,
	Daniel Pawlik <pawlik.dan@...il.com>,
	Matteo Croce <teknoraver@...a.com>
Subject: Re: [PATCH net v2] net: mtk: wed: add dma mask limitation and
 GFP_DMA32 for device with more than 4GB DRAM

On Thu, Oct 09, 2025 at 08:29:34AM +0200, Lorenzo Bianconi wrote:
> From: Rex Lu <rex.lu@...iatek.com>
> 
> Limit tx/rx buffer address to 32-bit address space for board with more
> than 4GB DRAM.
> 
> Fixes: 804775dfc2885 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
> Fixes: 6757d345dd7db ("net: ethernet: mtk_wed: introduce hw_rro support for MT7988")
> Tested-by: Daniel Pawlik <pawlik.dan@...il.com>
> Tested-by: Matteo Croce <teknoraver@...a.com>
> Signed-off-by: Rex Lu <rex.lu@...iatek.com>
> Co-developed-by: Lorenzo Bianconi <lorenzo@...nel.org>
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> ---
> Changes in v2:
> - Add missing Fixes tags
> - Avoid possible deadlock if dma_set_mask_and_coherent fails
> - Link to v1: https://lore.kernel.org/r/20251008-wed-4g-ram-limitation-v1-1-16fe55e1d042@kernel.org

Thanks for the updates.

Reviewed-by: Simon Horman <horms@...nel.org>