Re: cacheflush system call-MIPS

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

On Sat, Feb 14, 2009 at 12:50:46AM +0100, peter fuerst wrote:

> there is one more good reason to ... : the Impact Xserver needs to do
> a cacheflush(a,w,DCACHE) as part of the refresh-sequence.
> And hence requires a sys_cacheflush, let's say, more conforming to the
> man-page (or some disgusting new ioctl in the Impact kernel-driver to
> do an equivalent operation ;-)

Why does it need that flush?

  Ralf