[parisc-linux] O_DIRECT on devices

[Patrick Caulfield]

On Mon, Jul 15, 2002 at 12:29:19PM +0100, Matthew Wilcox wrote:
> On Mon, Jul 15, 2002 at 01:42:19AM -0600, Grant Grundler wrote:
> > Randolph and I think most SMP bugs reported (and we seen ourselves)
> > suggest a D-cache problem.
> 
> Entirely plausible.  PA has bigger virtually indexed caches than anyone
> else, so we're more susceptible to cache aliasing bugs than anyone else.
> It could be a missing flush somewhere in the arch-independent code.

My machine isn't SMP but could a similar bug cause the problem to occur between
the CPU and the DMA controller of the SCSI card ?

patrick