From: David Miller <davem@davemloft.net>
To: jeffrey.t.kirsher@intel.com
Cc: mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com,
x86@kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, gospo@redhat.com,
alexander.h.duyck@intel.com
Subject: Re: [net-next-2.6 PATCH 1/2] skbuff: add check for non-linear to warn_if_lro and needs_linearize
Date: Sat, 05 Jun 2010 02:54:23 -0700 (PDT) [thread overview]
Message-ID: <20100605.025423.258132771.davem@davemloft.net> (raw)
In-Reply-To: <20100602222230.12962.97260.stgit@localhost.localdomain>
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Wed, 02 Jun 2010 15:24:37 -0700
> From: Alexander Duyck <alexander.h.duyck@intel.com>
>
> We can avoid an unecessary cache miss by checking if the skb is non-linear
> before accessing gso_size/gso_type in skb_warn_if_lro, the same can also be
> done to avoid a cache miss on nr_frags if data_len is 0.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Applied.
prev parent reply other threads:[~2010-06-05 9:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-02 22:24 [net-next-2.6 PATCH 1/2] skbuff: add check for non-linear to warn_if_lro and needs_linearize Jeff Kirsher
2010-06-02 22:25 ` [net-next-2.6 PATCH 2/2] x86: Align skb w/ start of cache line on newer core 2/Xeon Arch Jeff Kirsher
2010-06-02 22:44 ` Eric Dumazet
2010-06-02 23:55 ` Duyck, Alexander H
2010-06-02 23:55 ` Duyck, Alexander H
2010-06-11 5:20 ` David Miller
2010-06-14 12:57 ` [PATCH net-next-2.6] net: NET_SKB_PAD should depend on L1_CACHE_BYTES Eric Dumazet
2010-06-16 1:16 ` David Miller
2010-06-05 9:54 ` David Miller [this message]
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