[PATCH 3.13 019/187] sparc64: Don't use _PAGE_PRESENT in pte_modify() mask.

Kamal Mostafa
2014-09-15T22:10:33Z

From: "David S. Miller" <davem@davemloft.net>

[ Upstream commit eaf85da82669b057f20c4e438dc2566b51a83af6 ]

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
arch/sparc/include/asm/pgtable_64.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 50b2d78..ac5f708 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -258,8 +258,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
{
unsigned long mask, tmp;

- /* SUN4U: 0x630107ffffffecb8 (negated == 0x9cfef80000001347)
- * SUN4V: 0x33ffffffffffee17 (negated == 0xcc000000000011e8)
+ /* SUN4U: 0x630107ffffffec38 (negated == 0x9cfef800000013c7)
+ * SUN4V: 0x33ffffffffffee07 (negated == 0xcc000000000011f8)
*
* Even if we use negation tricks the result is still a 6
* instruction sequence, so don't try to play fancy and just
@@ -289,10 +289,10 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
" .previous\n"
: "=r" (mask), "=r" (tmp)
: "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U |
- _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U |
+ _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U |
_PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4U),
"i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V |
- _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V |
+ _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V |
_PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4V));

return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask));
--
1.9.1