Re: dcache issue...

[Ralf Baechle <ralf@linux-mips.org>]

On Thu, Jan 20, 2005 at 02:18:00PM +0000, Maciej W. Rozycki wrote:

> > > Live is tough, use caches ;-)
> > 
> > oh yes it is. But I would only understand what was
> > my problem using the mixed cache modes...
> 
>  Note that ll/sc sequences don't work as expected on uncached memory, so 
> atomic accesses are not going to work in the kernel memory in your 
> configuration.  This may cause arbitrary corruptions due to an 
> inconsistent state of the kernel.

Uniprocessor systems are usually get away with it but it's not something
real software should rely on.

  Ralf