linux-kernel - Re: [PATCH v3 08/12] net: ll_temac: Fix iommu/swiotlb leak

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Message-ID: <20190430170050.GD30817@lunn.ch>
Date:   Tue, 30 Apr 2019 19:00:50 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Esben Haabendal <esben@...nix.com>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Michal Simek <michal.simek@...inx.com>,
        Yang Wei <yang.wei9@....com.cn>,
        Luis Chamberlain <mcgrof@...nel.org>,
        YueHaibing <yuehaibing@...wei.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 08/12] net: ll_temac: Fix iommu/swiotlb leak

On Tue, Apr 30, 2019 at 09:17:55AM +0200, Esben Haabendal wrote:
> Unmap the actual buffer length, not the amount of data received, avoiding
> resource exhaustion of swiotlb (seen on x86_64 platform).
> 
> Signed-off-by: Esben Haabendal <esben@...nix.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew