Re: [BUG] asm-ppc/pgtable.h breakage from 2.6.7-rc1-bk4

[Benjamin Herrenschmidt]

On Sat, 2004-06-05 at 14:56, Mikael Pettersson wrote:
> The current 2.6.7-rc2 kernel hangs after starting INIT
> on my PowerMac 4400. I traced the problem to the
> ptep_set_access_flags() patch in 2.6.7-rc1-bk4, which
> replaces ptep_establish()'s set_pte();flush_tlb_page()
> sequence with a single pte_update() in two places in
> mm/memory.c.
> 
> The patch below disables this change on ppc32, and
> allows my 603ev-based PM4400 to finally boot 2.6.7-rc2.

Can you try just adding the flush_tlb_page() to
ptep_set_access_flags() and let me know if that helps ? I need
to figure out what's wrong with "manual" TLB loads, I suspect
it's the same problem the 8xx folks are hitting, but I don't
see why at this point.

Ben.


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