From: Jesse Brandeburg <jesse.brandeburg@intel.com>
To: Ganji Aravind <ganji.aravind@chelsio.com>
Cc: <netdev@vger.kernel.org>, <davem@davemloft.net>,
<vishal@chelsio.com>, <rahul.lakkireddy@chelsio.com>
Subject: Re: [PATCH net 2/2] cxgb4: Fix race between loopback and normal Tx path
Date: Tue, 18 Aug 2020 12:35:29 -0700 [thread overview]
Message-ID: <20200818123529.00005d5f@intel.com> (raw)
In-Reply-To: <20200818154058.1770002-3-ganji.aravind@chelsio.com>
Ganji Aravind wrote:
> Even after Tx queues are marked stopped, there exists a
> small window where the current packet in the normal Tx
> path is still being sent out and loopback selftest ends
> up corrupting the same Tx ring. So, ensure selftest takes
> the Tx lock to synchronize access the Tx ring.
>
> Fixes: 7235ffae3d2c ("cxgb4: add loopback ethtool self-test")
> Signed-off-by: Ganji Aravind <ganji.aravind@chelsio.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
next prev parent reply other threads:[~2020-08-18 19:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-18 15:40 [PATCH net 0/2]cxgb4: Fix ethtool selftest flits calculation Ganji Aravind
2020-08-18 15:40 ` [PATCH net 1/2] cxgb4: Fix work request size calculation for loopback test Ganji Aravind
2020-08-18 19:33 ` Jesse Brandeburg
2020-08-18 15:40 ` [PATCH net 2/2] cxgb4: Fix race between loopback and normal Tx path Ganji Aravind
2020-08-18 19:35 ` Jesse Brandeburg [this message]
2020-08-18 20:03 ` [PATCH net 0/2]cxgb4: Fix ethtool selftest flits calculation David Miller
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