Author: alc
Date: Fri Aug 1 04:53:35 2014
New Revision: 269368
URL: http://svnweb.freebsd.org/changeset/base/269368
Log:
Retire PVO_EXECUTABLE. It's neither used nor set correctly.
Modified:
head/sys/powerpc/aim/mmu_oea.c
head/sys/powerpc/include/pmap.h
Modified: head/sys/powerpc/aim/mmu_oea.c
==============================================================================
--- head/sys/powerpc/aim/mmu_oea.c Fri Aug 1 04:05:13 2014
(r269367)
+++ head/sys/powerpc/aim/mmu_oea.c Fri Aug 1 04:53:35 2014
(r269368)
@@ -1184,9 +1184,6 @@ moea_enter_locked(pmap_t pmap, vm_offset
} else
pte_lo |= PTE_BR;
- if (prot & VM_PROT_EXECUTE)
- pvo_flags |= PVO_EXECUTABLE;
-
if (wired)
pvo_flags |= PVO_WIRED;
@@ -1742,8 +1739,6 @@ moea_protect(mmu_t mmu, pmap_t pm, vm_of
for (pvo = RB_NFIND(pvo_tree, &pm->pmap_pvo, &key);
pvo != NULL && PVO_VADDR(pvo) < eva; pvo = tpvo) {
tpvo = RB_NEXT(pvo_tree, &pm->pmap_pvo, pvo);
- if ((prot & VM_PROT_EXECUTE) == 0)
- pvo->pvo_vaddr &= ~PVO_EXECUTABLE;
/*
* Grab the PTE pointer before we diddle with the cached PTE
@@ -1999,8 +1994,6 @@ moea_pvo_enter(pmap_t pm, uma_zone_t zon
pvo->pvo_pmap = pm;
LIST_INSERT_HEAD(&moea_pvo_table[ptegidx], pvo, pvo_olink);
pvo->pvo_vaddr &= ~ADDR_POFF;
- if (flags & VM_PROT_EXECUTE)
- pvo->pvo_vaddr |= PVO_EXECUTABLE;
if (flags & PVO_WIRED)
pvo->pvo_vaddr |= PVO_WIRED;
if (pvo_head != &moea_pvo_kunmanaged)
Modified: head/sys/powerpc/include/pmap.h
==============================================================================
--- head/sys/powerpc/include/pmap.h Fri Aug 1 04:05:13 2014
(r269367)
+++ head/sys/powerpc/include/pmap.h Fri Aug 1 04:53:35 2014
(r269368)
@@ -112,7 +112,6 @@ RB_PROTOTYPE(pvo_tree, pvo_entry, pvo_pl
#define PVO_PTEGIDX_VALID 0x008UL /* slot is valid */
#define PVO_WIRED 0x010UL /* PVO entry is wired */
#define PVO_MANAGED 0x020UL /* PVO entry is managed
*/
-#define PVO_EXECUTABLE 0x040UL /* PVO entry is
executable */
#define PVO_BOOTSTRAP 0x080UL /* PVO entry allocated
during
bootstrap */
#define PVO_LARGE 0x200UL /* large page */
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