From: David Miller <davem@davemloft.net>
To: jeffrey.t.kirsher@intel.com
Cc: netdev@vger.kernel.org, gospo@redhat.com,
peter.p.waskiewicz.jr@intel.com
Subject: Re: [net-next-2.6 PATCH 2/5] ixgbe: Make descriptor ring allocations NUMA-aware
Date: Fri, 08 Jan 2010 00:21:39 -0800 (PST) [thread overview]
Message-ID: <20100108.002139.234493705.davem@davemloft.net> (raw)
In-Reply-To: <20100107044845.28605.42794.stgit@localhost.localdomain>
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Wed, 06 Jan 2010 20:48:46 -0800
> @@ -147,7 +147,7 @@ struct ixgbe_ring {
>
> #ifdef CONFIG_IXGBE_DCA
> /* cpu for tx queue */
> - int cpu;
> + u8 cpu;
> #endif
>
> u16 work_limit; /* max work per interrupt */
Is truncating cpu and node numbers to 8-bits ok? I really don't
see how it can be fine, even for DCA.
This is especially the case since dca3_get_tag() and the
DCA ->get_tag() callback explicitly take an 'int' argument
too.
next prev parent reply other threads:[~2010-01-08 8:21 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-07 4:48 [net-next-2.6 PATCH 1/5] ixgbe: Allocate driver resources per NUMA node Jeff Kirsher
2010-01-07 4:48 ` [net-next-2.6 PATCH 2/5] ixgbe: Make descriptor ring allocations NUMA-aware Jeff Kirsher
2010-01-08 8:21 ` David Miller [this message]
2010-01-08 8:25 ` Waskiewicz Jr, Peter P
2010-01-08 8:31 ` David Miller
2010-01-08 8:36 ` Waskiewicz Jr, Peter P
2010-01-07 4:49 ` [net-next-2.6 PATCH 3/5] ethtool: Introduce n-tuple filter programming support Jeff Kirsher
2010-01-08 8:23 ` David Miller
2010-01-08 8:34 ` Waskiewicz Jr, Peter P
2010-01-08 8:38 ` David Miller
2010-01-08 8:42 ` Waskiewicz Jr, Peter P
2010-01-11 19:32 ` Ben Hutchings
2010-01-12 19:13 ` Waskiewicz Jr, Peter P
2010-01-21 2:54 ` David Miller
2010-01-07 4:49 ` [net-next-2.6 PATCH 4/5] ixgbe: Add Flow Director configuration support as a mod parameter Jeff Kirsher
2010-01-08 8:24 ` David Miller
2010-01-08 8:28 ` Waskiewicz Jr, Peter P
2010-01-08 8:32 ` David Miller
2010-01-08 8:36 ` Waskiewicz Jr, Peter P
2010-01-07 4:49 ` [net-next-2.6 PATCH 5/5] ixgbe: Add support for the new ethtool n-tuple programming interface Jeff Kirsher
2010-01-08 8:26 ` David Miller
2010-01-14 11:02 ` [net-next-2.6 PATCH 1/5] ixgbe: Allocate driver resources per NUMA node Andi Kleen
2010-01-19 16:10 ` Waskiewicz Jr, Peter P
2010-01-19 19:34 ` Andi Kleen
2010-01-19 19:34 ` Waskiewicz Jr, Peter P
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