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Re: CVS commit: [tls-maxphys] src


On Wed, Sep 12, 2012 at 06:15:37AM +0000, Thor Lancelot Simon wrote:
> Added Files:
>       src [tls-maxphys]: MAXPHYS-NOTES
> Log Message:
> Initial snapshot of work to eliminate 64K MAXPHYS.  Basically works for
> physio (I/O to raw devices); needs more doing to get it going with the
> filesystems, but it shouldn't damage data.
> All work's been done on amd64 so far.  Not hard to add support to other
> ports.  If others want to pitch in, one very helpful thing would be to
> sort out when and how IDE disks can do 128K or larger transfers, and
> adjust the various PCI IDE (or at least ahcisata) drivers and wd.c
> accordingly -- it would make testing much easier.  Another very helpful
> thing would be to implement a smart minphys() for RAIDframe along the
> lines detailed in the MAXPHYS-NOTES file.

glad to see you're working on this ! It's been something I've had in my
TODO list for a while. I'll have a look at the IDE driver ASAP,
getting it going shouldn't be too hard.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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