On Thu, 2016-07-07 at 22:38 +1000, Michael Ellerman wrote:
> Benjamin Herrenschmidt <b...@kernel.crashing.org> writes:
> 
> > That constant no longer exist. Use the proper accessor instead
> 
> I still see it?

Hrm, right, it does, I think it's just not always accessible or the
wrong type. That stuff wasn't building anymore. In any case, it
shouldn't be used outside of the arch, the accessors are better.

>   arch/powerpc/include/asm/book3s/32/hash.h:#define _PAGE_NO_CACHE    0x020   
> /* I: cache inhibit */
>   arch/powerpc/include/asm/book3s/64/pgtable.h:#define _PAGE_NO_CACHE         
> _PAGE_TOLERANT
>   arch/powerpc/include/asm/nohash/32/pte-44x.h:#define _PAGE_NO_CACHE 
> 0x00000400              /* H: I bit */
>   arch/powerpc/include/asm/nohash/32/pte-8xx.h:#define _PAGE_NO_CACHE 0x0002  
> /* I: cache inhibit */
>   arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h:#define _PAGE_NO_CACHE   
> 0x00200 /* H: I bit */
>   arch/powerpc/include/asm/nohash/pte-book3e.h:#define _PAGE_NO_CACHE 
> 0x400000 /* I: cache inhibit */
> 
> Do you mean it doesn't exist in some cases? Or pgprot_noncached_wc() is
> just better?
> 
> Also this should probably at least get Cc'ed to the DRM folks.

Ah yes :-)

Cheers,
Ben.
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