[Cbe-oss-dev] GCC inline memcpy() from local store causes bad page fault

[Benjamin Herrenschmidt]

On Thu, 2007-03-22 at 13:52 +0900, Akinobu Mita wrote:
> On Tue, Mar 20, 2007 at 07:53:35AM -0700, Andrew Pinski wrote:
> > On 3/20/07, Anton Blanchard <anton at samba.org> wrote:
> > >
> > >Interesting, gcc shouldnt be emitting string instructions these days.
> > >What gcc version/cpu target was this build using?
> > 
> > Can I recommend that just like -mno-altivec is added, -mno-string is
> > added to make file to make sure that the string instructions are not
> > emitted if someone supplies -Os.
> 
> But we already have -mstring in arch/powerpc/Makefile
> 
> ifndef CONFIG_FSL_BOOKE
> CFLAGS          += -mstring
> endif
> 
> So should we delete these lines completely and force -mno-string option?

Yes, I think we should. I'll send a patch in a minute...

Cheers,
Ben.