netdev - Re: [PATCH net 2/2] net: stmmac: avoid rx queue overrun

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Date: Mon, 13 Nov 2023 17:52:22 -0500
From: Jakub Kicinski <kuba@...nel.org>
To: Baruch Siach <baruch@...s.co.il>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu
 <joabreu@...opsys.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net 2/2] net: stmmac: avoid rx queue overrun

On Mon, 13 Nov 2023 19:42:50 +0200 Baruch Siach wrote:
> dma_rx_size can be set as low as 64. Rx budget might be higher than
> that. Make sure to not overrun allocated rx buffers when budget is
> larger.
> 
> Leave one descriptor unused to avoid wrap around of 'dirty_rx' vs
> 'cur_rx'.

Can we get a Fixes tag for this one as well?