On Tue, 14 Feb 2006, Alan Cox wrote:
> On Llu, 2006-02-13 at 11:35 +0100, Bartlomiej Zolnierkiewicz wrote:
> > > +static void cfide_outsl(unsigned long port, void *addr, u32 count)
> > > +{
> > > + panic("outsl unsupported");
> > > +}
> >
> > This will panic as soon as somebody tries to enable 32-bit I/O
> > using hdparm. Please add ide_hwif_t.no_io_32bit flag and teach
> > ide-disk.c:ide_disk_setup() about it (separate patch).
>
> Seems a lot of effort for little reward. Just make cfide_outsl generate
> word sized I/O instead. Ditto insl. Or even leave the panic. Only
> superusers can hack around with that value and they can equally crash
> the box a thousand other ways.
Well, there's a patch now and its pretty simple. Now we have one less way
superuser can kill things ;)
- k
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