On Mon, Nov 11, 2002 at 12:10:13PM -0500, Bill Davidsen wrote:
> On 8 Nov 2002, Alan Cox wrote:
>
> > On Fri, 2002-11-08 at 16:56, Jens Axboe wrote:
> > > > Linus please drop this patch for now. Its not been tested on enough
> > > > controllers, its making things unneccessarily ugly and its also just
> > > > going to make updates hard.
> > >
> > > Alan, the patch is pretty much straight forward. Cleaning up the magic
> > > numbers and ->autotune consistencies is a good thing, imo.
> >
> > You can clean up the naming but it still hasn't been tested, not all
> > bioses neccessarily give us timings we can trust either. I'm not
> > opposed to the concept but after the previous IDE mess in 2.5 merging
> > something that isnt tested on lots of controllers and might have weird
> > effects does both me a bit
>
> This is one of those things which we should allow at user risk. After all,
> you can shoot yourself in the foot with hdparm as well, there are many
> unwise things allowed.
>
> Having seen all the warnings from bad setup of MPS and ACPI in dmesg, I
> would say it's more likely that the BIOS get these settings right, since
> they may be used by that other operating system.
I can tell you that many VIA (namely older) boards simply crash after
the first DMA access when you don't fix the timings/fifo settings of the
chip after what mess the BIOS left there.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Nov 15 2002 - 22:00:25 EST