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authorAlexander Duyck <alexander.h.duyck@intel.com>2010-06-29 14:38:00 -0400
committerDavid S. Miller <davem@davemloft.net>2010-06-30 17:34:09 -0400
commitea812ca1b06113597adcd8e70c0f84a413d97544 (patch)
treee5846a631aefbcdec0a6542962e1780849fee97c /drivers/scsi/a4000t.c
parentcb836a977f71f76ccbb1ff35b9c113ace96377e9 (diff)
x86: Align skb w/ start of cacheline on newer core 2/Xeon Arch
x86 architectures can handle unaligned accesses in hardware, and it has been shown that unaligned DMA accesses can be expensive on Nehalem architectures. As such we should overwrite NET_IP_ALIGN to resolve this issue. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: x86@kernel.org Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/scsi/a4000t.c')
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