PS3 early lock-up
Geert Uytterhoeven
Geert.Uytterhoeven at sonycom.com
Tue Aug 5 19:43:22 EST 2008
On Tue, 5 Aug 2008, Benjamin Herrenschmidt wrote:
> > > Can you find out where that stupid value comes from ?
> >
> > I didn't have time to look at in detail, but it fails from the
> > ioremap call in ps3_map_htab (arch/powerpc/platfroms/ps3/htab.c):
> >
> > htab = (__force struct hash_pte *)ioremap_flags(htab_addr, htab_size,
> > pgprot_val(PAGE_READONLY_X));
> >
> > IIRC, lv1 doesn't allow a read/write mapping of the htab, and that is
> > why I used pgprot_val(PAGE_READONLY_X) here.
>
> Why are you mapping it in the first place btw ? Do you actually use that
> mapping ?
arch/powerpc/platfroms/ps3/htab.c:ps3_hpte_updatepp() uses `htab[slot].v'.
With kind regards,
Geert Uytterhoeven
Software Architect
Sony Techsoft Centre Europe
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