On Fri, 2007-08-03 at 18:58 +1000, Paul Mackerras wrote: > The code for mapping special 4k pages on kernels using a 64kB base > page size was missing the code for doing the RPN (real page number) > manipulation when inserting the hardware PTE in the secondary hash > bucket. It needs the same code as has already been added to the > code that inserts the HPTE in the primary hash bucket. This adds it. > > Spotted by Ben Herrenschmidt. > > Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]> > --- > diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S > index 4762ff7..35eabfb 100644 > --- a/arch/powerpc/mm/hash_low_64.S > +++ b/arch/powerpc/mm/hash_low_64.S > @@ -472,10 +472,12 @@ _GLOBAL(htab_call_hpte_insert1) > /* Now try secondary slot */ > > /* real page number in r5, PTE RPN value + index */ > - rldicl r5,r31,64-PTE_RPN_SHIFT,PTE_RPN_SHIFT > + andis. r0,r31,[EMAIL PROTECTED] > + srdi r5,r31,PTE_RPN_SHIFT > + bne- 3f > sldi r5,r5,PAGE_SHIFT-HW_PAGE_SHIFT > add r5,r5,r25 > - sldi r5,r5,HW_PAGE_SHIFT > +3: sldi r5,r5,HW_PAGE_SHIFT > > /* Calculate secondary group hash */ > andc r0,r27,r28 > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
