Re: [PATCH][MIPS] fix divide by zero error in build_clear_page and build_copy_page

[Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>]

On Wed, 7 May 2008 17:14:22 +0100 (BST)
"Maciej W. Rozycki" <macro@xxxxxxxxxxxxxx> wrote:

> On Wed, 7 May 2008, Yoichi Yuasa wrote:
> 
> > Fix divide by zero error in build_clear_page() and build_copy_page()
> 
>  Why would ever cache_line_size be zero in this place?  Are you trying to 
> support a cacheless CPU?  If not, it should be a BUG_ON().
> 

When CPU has no prefetch, no cache cdex_s and no caache cdex_p, cache_line_size is zero.
I confirmed it with Nevada(Cobalt server) and VR41xx.

Yoichi