Re: [PATCH 0/1] Fixup write permission of TLB on powerpc e500 core
From
Benjamin Herrenschmidt <>
Date
Fri, 15 Jul 2011 19:05:23 +1000
On Fri, 2011-07-15 at 10:20 +0200, Peter Zijlstra wrote: > But but but but, that get_user_pages(.write=1, .force=0) should result > in a COW break, getting our own writable page. > > What is this e500 thing smoking that this doesn't work?
Right. That should have triggered the cow & flushed the TLB entry....