From: Eric Dumazet <eric.dumazet@gmail.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: Neil Horman <nhorman@tuxdriver.com>,
David Miller <davem@davemloft.net>,
luis.henriques@canonical.com, netdev@vger.kernel.org,
jcliburn@gmail.com, stable@vger.kernel.org
Subject: Re: [net PATCH] atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring
Date: Sun, 28 Jul 2013 17:26:34 -0700 [thread overview]
Message-ID: <1375057594.3669.64.camel@edumazet-glaptop> (raw)
In-Reply-To: <1375056438.2546.55.camel@deadeye.wl.decadent.org.uk>
On Mon, 2013-07-29 at 01:07 +0100, Ben Hutchings wrote:
> Just like many older PCI/PCIe devices. So what? pci_map_single() takes
> care of that, just so long as the driver sets the DMA mask correctly.
> In fact, PCI devices have a 32-bit DMA mask by default.
I don't know, maybe the remapping doesn't work if area splits several
pages ?
I mean, why bouncing memory if we can allocate in the right zone in the
first place ?
next prev parent reply other threads:[~2013-07-29 0:26 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 16:47 [net PATCH] atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring Neil Horman
2013-07-26 16:56 ` Luis Henriques
2013-07-26 17:02 ` Neil Horman
2013-07-26 22:56 ` David Miller
2013-07-27 16:25 ` Luis Henriques
2013-07-27 0:02 ` Ben Hutchings
2013-07-27 0:24 ` Ben Hutchings
2013-07-27 19:30 ` Luis Henriques
2013-07-27 19:49 ` Eric Dumazet
2013-07-27 21:30 ` Ben Hutchings
2013-07-27 23:59 ` Eric Dumazet
2013-07-28 3:02 ` David Miller
2013-07-28 10:44 ` Neil Horman
2013-07-28 16:15 ` Eric Dumazet
2013-07-28 18:53 ` Neil Horman
2013-07-28 19:21 ` Eric Dumazet
2013-07-28 20:08 ` Eric Dumazet
2013-07-28 20:22 ` Ben Hutchings
2013-07-28 23:01 ` Eric Dumazet
2013-07-28 23:20 ` Eric Dumazet
2013-07-28 23:25 ` Eric Dumazet
2013-07-28 23:38 ` Neil Horman
2013-07-29 0:07 ` Ben Hutchings
2013-07-29 0:21 ` David Miller
2013-07-29 0:26 ` Eric Dumazet [this message]
2013-07-29 9:55 ` Luis Henriques
2013-07-29 10:57 ` Eric Dumazet
2013-07-29 12:09 ` Luis Henriques
2013-07-29 15:30 ` Eric Dumazet
2013-07-29 17:24 ` Eric Dumazet
2013-07-30 8:53 ` Luis Henriques
2013-07-31 2:11 ` David Miller
2013-07-31 17:48 ` Benjamin Poirier
2013-07-31 17:56 ` Eric Dumazet
2013-07-31 19:01 ` David Miller
2013-08-01 1:57 ` Eric Dumazet
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