netdev - Re: [PATCH net] i40e: xsk: remove count

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Date: Fri, 20 Oct 2023 00:40:23 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
 anthony.l.nguyen@...el.com, magnus.karlsson@...el.com,
 jacob.e.keller@...el.com, tushar.vyavahare@...el.com
Subject: Re: [PATCH net] i40e: xsk: remove count_mask

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Wed, 18 Oct 2023 18:39:08 +0200 you wrote:
> Cited commit introduced a neat way of updating next_to_clean that does
> not require boundary checks on each increment. This was done by masking
> the new value with (ring length - 1) mask. Problem is that this is
> applicable only for power of 2 ring sizes, for every other size this
> assumption can not be made. In turn, it leads to cleaning descriptors
> out of order as well as splats:
> 
> [...]

Here is the summary with links:
  - [net] i40e: xsk: remove count_mask
    https://git.kernel.org/netdev/net/c/913eda2b08cc

You are awesome, thank you!
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