On Wed, 11 Jun 2008 10:50:31 +1000
Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
> This is some preliminary work to improve TLB management on SW loaded
> TLB powerpc platforms. This introduce support for non-atomic PTE
> operations in pgtable-ppc32.h and removes write back to the PTE from
> th
On Wed, 2008-06-11 at 01:20 -0500, Kumar Gala wrote:
> On Jun 10, 2008, at 7:50 PM, Benjamin Herrenschmidt wrote:
>
> > This is some preliminary work to improve TLB management on SW loaded
> > TLB powerpc platforms. This introduce support for non-atomic PTE
> > operations in pgtable-ppc32.h and re
On Jun 10, 2008, at 7:50 PM, Benjamin Herrenschmidt wrote:
This is some preliminary work to improve TLB management on SW loaded
TLB powerpc platforms. This introduce support for non-atomic PTE
operations in pgtable-ppc32.h and removes write back to the PTE from
the TLB miss handlers. In additio
> > #define _PAGE_PRESENT 0x0001 /* S: PTE valid */
> > -#define_PAGE_RW0x0002 /* S: Write permission
> > */
> > +#define _PAGE_RW 0x0002 /* S: Write permission */
> > #define _PAGE_FILE 0x0004 /* S: nonlinea
Index: linux-work/include/asm-powerpc/pgtable-ppc32.h
===
--- linux-work.orig/include/asm-powerpc/pgtable-ppc32.h 2008-06-10
18:13:47.0 +1000
+++ linux-work/include/asm-powerpc/pgtable-ppc32.h 2008-06-10
18:16:49.
This is some preliminary work to improve TLB management on SW loaded
TLB powerpc platforms. This introduce support for non-atomic PTE
operations in pgtable-ppc32.h and removes write back to the PTE from
the TLB miss handlers. In addition, the DSI interrupt code no longer
tries to fixup write permis
