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Date:   Sun, 21 Jul 2019 12:29:58 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH] bnx2x: Prevent load reordering in tx completion

From: Brian King <>
Date: Mon, 15 Jul 2019 16:41:50 -0500

> This patch fixes an issue seen on Power systems with bnx2x which results
> in the skb is NULL WARN_ON in bnx2x_free_tx_pkt firing due to the skb
> pointer getting loaded in bnx2x_free_tx_pkt prior to the hw_cons
> load in bnx2x_tx_int. Adding a read memory barrier resolves the issue.
> Signed-off-by: Brian King <>

Applied and queued up for -stable.

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