David Miller <davem@xxxxxxxxxxxxx> writes: > From: Neil Horman <nhorman@xxxxxxxxxxxxx> > Date: Fri, 26 Jul 2013 13:02:51 -0400 > >> On Fri, Jul 26, 2013 at 05:56:16PM +0100, Luis Henriques wrote: >>> Neil Horman <nhorman@xxxxxxxxxxxxx> writes: >>> >>> > atl1c uses netdev_alloc_skb to refill its rx dma ring, but that call makes no >>> > guarantees about the suitability of the memory for use in DMA. As a result >>> > we've gotten reports of atl1c drivers occasionally hanging and needing to be >>> > reset: >>> > https://bugzilla.kernel.org/show_bug.cgi?id=54021 >>> > >>> > Fix this by modifying the call to use the internal version __netdev_alloc_skb, >>> > where you can set the gfp_mask explicitly to include GFP_DMA. >>> > >>> > Tested by two reporters in the above bug, who have the hardware to validate it. >>> > Both report immediate cessation of the problem with this patch >>> > >>> > Signed-off-by: Neil Horman <nhorman@xxxxxxxxxxxxx> >>> > CC: Jay Cliburn <jcliburn@xxxxxxxxx> >>> > CC: "David S. Miller" <davem@xxxxxxxxxxxxx> >>> > CC: stable@xxxxxxxxxxxxxxx >>> > Tested-by: Luis Henrix <luis.henrix@xxxxxxxxx> >>> >>> Thanks Neil! >>> >>> Would it be possible for you to update my name and email? (I've just >>> updated my bz account to remove my gmail account address -- I thought >>> I had done this ages ago.) >>> >>> Tested-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx> >>> >> I'm sure if Dave has time, he will square that up. > > I took care of this while applying Neil's patch, thanks. Thanks! Cheers, -- Luis -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html