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Date: Wed, 23 Sep 2020 18:01:40 -0700 (PDT) From: David Miller <davem@...emloft.net> To: hauke@...ke-m.de Cc: kuba@...nel.org, netdev@...r.kernel.org, martin.blumenstingl@...glemail.com Subject: Re: [PATCH v2] net: lantiq: Add locking for TX DMA channel From: Hauke Mehrtens <hauke@...ke-m.de> Date: Tue, 22 Sep 2020 23:41:12 +0200 > The TX DMA channel data is accessed by the xrx200_start_xmit() and the > xrx200_tx_housekeeping() function from different threads. Make sure the > accesses are synchronized by acquiring the netif_tx_lock() in the > xrx200_tx_housekeeping() function too. This lock is acquired by the > kernel before calling xrx200_start_xmit(). > > Signed-off-by: Hauke Mehrtens <hauke@...ke-m.de> Applied, but... You posted this really fast after my feedback, so I have to ask if you actually functionally tested this patch?
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