From: Jakub Kicinski <kuba@kernel.org>
To: Rosen Penev <rosenp@gmail.com>
Cc: netdev@vger.kernel.org, Chris Snook <chris.snook@gmail.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
linux-kernel@vger.kernel.org (open list)
Subject: Re: [PATCH net-next] net: ag71xx: Unmap TX DMA buffers on completion
Date: Wed, 20 May 2026 16:59:09 -0700 [thread overview]
Message-ID: <20260520165909.0ac7bf4a@kernel.org> (raw)
In-Reply-To: <20260517214302.1450433-1-rosenp@gmail.com>
On Sun, 17 May 2026 14:43:02 -0700 Rosen Penev wrote:
> Store the DMA address used for each transmitted skb and unmap it when
> the skb is completed or cleaned from the TX ring.
>
> This keeps the streaming DMA mapping lifetime paired with the skb
> lifetime on both normal completion and shutdown cleanup paths.
This must obviously not matter on the platforms where this driver is
used, otherwise we'd run out of memory in no time..
--
pw-bot: reject
prev parent reply other threads:[~2026-05-20 23:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-17 21:43 [PATCH net-next] net: ag71xx: Unmap TX DMA buffers on completion Rosen Penev
2026-05-20 23:59 ` Jakub Kicinski [this message]
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