Re: [RFC PATCH v2 3/4] powerpc: allow ioremap within reserved memory regions

2009-12-11 Thread Benjamin Herrenschmidt
On Sat, 2009-12-12 at 01:33 +0100, Albert Herranz wrote: > > I'll look into this. > I used a single lmb range just as the current code does to avoid any > unwanted side effects as I didn't audit all the mm code. Well, I -may- be missing something ... but I think outside of the setup of the initia

Re: [RFC PATCH v2 3/4] powerpc: allow ioremap within reserved memory regions

2009-12-11 Thread Albert Herranz
Benjamin Herrenschmidt wrote: > On Tue, 2009-12-08 at 19:43 +0100, Albert Herranz wrote: >> Signed-off-by: Albert Herranz > > Acked-by: Benjamin Herrenschmidt > >> --- >> v1 -> v2 >> - use a run-time flag to allow/disallow remapping reserved regions >> - use lmbs to determine reserved regions >

Re: [RFC PATCH v2 3/4] powerpc: allow ioremap within reserved memory regions

2009-12-11 Thread Benjamin Herrenschmidt
On Tue, 2009-12-08 at 19:43 +0100, Albert Herranz wrote: > Signed-off-by: Albert Herranz Acked-by: Benjamin Herrenschmidt > --- > v1 -> v2 > - use a run-time flag to allow/disallow remapping reserved regions > - use lmbs to determine reserved regions We won't need that once we fix proper disco

[RFC PATCH v2 3/4] powerpc: allow ioremap within reserved memory regions

2009-12-08 Thread Albert Herranz
Signed-off-by: Albert Herranz --- v1 -> v2 - use a run-time flag to allow/disallow remapping reserved regions - use lmbs to determine reserved regions arch/powerpc/mm/init_32.c|5 + arch/powerpc/mm/mmu_decl.h |1 + arch/powerpc/mm/pgtable_32.c |4 +++- include/linux/lmb.h