Subject: Re: [PATCH] powerpc/8xx: fix regression introduced by cache coherency rewrite

From: Benjamin Herrenschmidt <[email-masked]>
Date: Sat, 03 Oct 2009 08:04:33 +1000

On Fri, 2009-10-02 at 16:49 -0500, Scott Wood wrote:
> Adding a tlbil_va to do_page_fault makes the problem go away for me (on
> top of your "merge" branch) -- none of the other changes in this thread
> do (assuming I didn't miss any).  FWIW, when it gets stuck on a fault,
> DSISR is 0xc0000000, and handle_mm_fault returns zero. 

But in that case, it should hit ptep_set_access_flags() (via
handle_mm_fault) and from there call tlbil_va (provided we add a call to
it in the relevant filter function which I proposed initially), no ?

Ben.