From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesse Brandeburg <jesse.brandeburg@intel.com>
Date: Tue, 21 Nov 2017 09:39:34 -0800
Subject: [Intel-wired-lan] [PATCH v2 6/7] fm10k: Use smp_rmb rather than
 read_barrier_depends
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On Fri, 17 Nov 2017 11:05:48 -0600
Brian King <brking@linux.vnet.ibm.com> wrote:

> The original issue being fixed in this patch was seen with the ixgbe
> driver, but the same issue exists with fm10k as well, as the code is
> very similar. read_barrier_depends is not sufficient to ensure
> loads following it are not speculatively loaded out of order
> by the CPU, which can result in stale data being loaded, causing
> potential system crashes.

Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>

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Date: Tue, 21 Nov 2017 09:39:34 -0800
From: Jesse Brandeburg <jesse.brandeburg@intel.com>
To: Brian King <brking@linux.vnet.ibm.com>
Cc: <jeffrey.t.kirsher@intel.com>, <intel-wired-lan@lists.osuosl.org>,
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        <alexander.h.duyck@intel.com>, <muvic@linux.vnet.ibm.com>,
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Subject: Re: [PATCH v2 6/7] fm10k: Use smp_rmb rather than
 read_barrier_depends
Message-ID: <20171121093934.00003075@intel.com>
In-Reply-To: <1510938349-17608-7-git-send-email-brking@linux.vnet.ibm.com>
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        <1510938349-17608-7-git-send-email-brking@linux.vnet.ibm.com>
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On Fri, 17 Nov 2017 11:05:48 -0600
Brian King <brking@linux.vnet.ibm.com> wrote:

> The original issue being fixed in this patch was seen with the ixgbe
> driver, but the same issue exists with fm10k as well, as the code is
> very similar. read_barrier_depends is not sufficient to ensure
> loads following it are not speculatively loaded out of order
> by the CPU, which can result in stale data being loaded, causing
> potential system crashes.

Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>