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Date:   Wed, 20 Jul 2022 10:20:13 +0000
To:     Alex Elder <>
Subject: Re: [PATCH net-next] net: ipa: initialize ring indexes to 0


This patch was applied to netdev/net-next.git (master)
by David S. Miller <>:

On Tue, 19 Jul 2022 09:18:55 -0500 you wrote:
> When a GSI channel is initially allocated, and after it has been
> reset, the hardware assumes its ring index is 0.  And although we
> do initialize channels this way, the comments in the IPA code don't
> really explain this.  For event rings, it doesn't matter what value
> we use initially, so using 0 is just fine.
> Add some information about the assumptions made by hardware above
> the definition of the gsi_ring structure in "gsi.h".
> [...]

Here is the summary with links:
  - [net-next] net: ipa: initialize ring indexes to 0

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