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SubjectRe: disk IO directly from PCI memory to block device sectors
On Fri, Sep 26 2008, Alan Cox wrote:
> > What I'm looking is for a more generic/driver independent way of sticking
> > contents of PCI ram onto a disk.
>
> Ermm seriously why not have a userspace task with the PCI RAM mmapped
> and just use write() like normal sane people do ?

To avoid the fault and copy, I would assume.

--
Jens Axboe



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