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authorDavid S. Miller <davem@sunset.davemloft.net>2006-03-21 02:29:39 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-22 01:15:13 -0800
commit14778d9072e53d2171f66ffd9657daff41acfaed (patch)
tree3b60565ec1e957800fc3bf4743497202a24f8279 /include/asm-sparc
parente952f31bce6e9f64db01f607abc46529ba57ac9e (diff)
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[SPARC]: Respect vm_page_prot in io_remap_page_range().
Make sure the callers do a pgprot_noncached() on vma->vm_page_prot. Pointed out by Hugh Dickens. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc')
-rw-r--r--include/asm-sparc/pgtable.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index b33c354..9eea8f4 100644
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -269,11 +269,14 @@ BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t)
BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t)
BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int)
+BTFIXUPDEF_CALL_CONST(pgprot_t, pgprot_noncached, pgprot_t)
#define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot)
#define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot)
#define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space)
+#define pgprot_noncached(pgprot) BTFIXUP_CALL(pgprot_noncached)(pgprot)
+
BTFIXUPDEF_INT(pte_modify_mask)
static pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__;
@@ -309,9 +312,6 @@ BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long)
#define pte_unmap(pte) do{}while(0)
#define pte_unmap_nested(pte) do{}while(0)
-/* The permissions for pgprot_val to make a page mapped on the obio space */
-extern unsigned int pg_iobits;
-
/* Certain architectures need to do special things when pte's
* within a page table are directly modified. Thus, the following
* hook is made available.