linux-kernel - Re: [PATCH net 1/2] vmxnet3: set the DMA mask before the first DMA map operation

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Message-Id: <20180514.224435.1060844543476271046.davem@davemloft.net>
Date:   Mon, 14 May 2018 22:44:35 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     hpreg@...are.com
Cc:     netdev@...r.kernel.org, doshir@...are.com, pv-drivers@...are.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 1/2] vmxnet3: set the DMA mask before the first DMA
 map operation

From: <hpreg@...are.com>
Date: Mon, 14 May 2018 08:28:26 -0400

> The DMA mask must be set before, not after, the first DMA map operation, or
> the first DMA map operation could in theory fail on some systems.
> 
> Fixes: b0eb57cb97e78 ("VMXNET3: Add support for virtual IOMMU")
> Signed-off-by: Regis Duchesne <hpreg@...are.com>
> Acked-by: Ronak Doshi <doshir@...are.com>

Applied and queued up for -stable.