Re: how to get a DMA channel near a process?

From: Brice Goglin
Date: Wed Aug 26 2009 - 01:50:54 EST

Robert Hancock wrote:
> On 08/25/2009 07:05 AM, Brice Goglin wrote:
>> Hello,
>> I am playing with DMA engine on a Nehalem box with two X58 chipsets
>> (Supermicro X8DAH). My understanding is that there are 8 DMA channels on
>> each chipset, so 8 channels near each processor. Unfortunately, my BIOS
> Don't think that DMA channel is the term you are looking for, maybe
> PCI Express lanes? DMA channels are an ancient ISA thing.

Talking about DMA Engine devices/channels such as Intel I/OAT. See


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