From: "David S. Miller" <davem@xxxxxxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
This pertains to all of the computations of the kernel fast
TLB miss xor values.
Based upon a patch by Bob Picco.
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Acked-by: Bob Picco <bob.picco@xxxxxxxxxx>
---
arch/sparc/mm/init_64.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index ace4877ac5c0..46a5796ea79a 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1729,7 +1729,7 @@ static void __init sun4v_linear_pte_xor_finalize(void)
#ifndef CONFIG_DEBUG_PAGEALLOC
if (cpu_pgsz_mask & HV_PGSZ_MASK_256MB) {
kern_linear_pte_xor[1] = (_PAGE_VALID | _PAGE_SZ256MB_4V) ^
- 0xfffff80000000000UL;
+ PAGE_OFFSET;
kern_linear_pte_xor[1] |= (_PAGE_CP_4V | _PAGE_CV_4V |
_PAGE_P_4V | _PAGE_W_4V);
} else {
@@ -1738,7 +1738,7 @@ static void __init sun4v_linear_pte_xor_finalize(void)
if (cpu_pgsz_mask & HV_PGSZ_MASK_2GB) {
kern_linear_pte_xor[2] = (_PAGE_VALID | _PAGE_SZ2GB_4V) ^
- 0xfffff80000000000UL;
+ PAGE_OFFSET;
kern_linear_pte_xor[2] |= (_PAGE_CP_4V | _PAGE_CV_4V |
_PAGE_P_4V | _PAGE_W_4V);
} else {
@@ -1747,7 +1747,7 @@ static void __init sun4v_linear_pte_xor_finalize(void)
if (cpu_pgsz_mask & HV_PGSZ_MASK_16GB) {
kern_linear_pte_xor[3] = (_PAGE_VALID | _PAGE_SZ16GB_4V) ^
- 0xfffff80000000000UL;
+ PAGE_OFFSET;
kern_linear_pte_xor[3] |= (_PAGE_CP_4V | _PAGE_CV_4V |
_PAGE_P_4V | _PAGE_W_4V);
} else {
@@ -2268,10 +2268,10 @@ static void __init sun4u_pgprot_init(void)
__ACCESS_BITS_4U | _PAGE_E_4U);
#ifdef CONFIG_DEBUG_PAGEALLOC
- kern_linear_pte_xor[0] = _PAGE_VALID ^ 0xfffff80000000000UL;
+ kern_linear_pte_xor[0] = _PAGE_VALID ^ PAGE_OFFSET;
#else
kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZ4MB_4U) ^
- 0xfffff80000000000UL;
+ PAGE_OFFSET;
#endif
kern_linear_pte_xor[0] |= (_PAGE_CP_4U | _PAGE_CV_4U |
_PAGE_P_4U | _PAGE_W_4U);
@@ -2315,10 +2315,10 @@ static void __init sun4v_pgprot_init(void)
_PAGE_CACHE = _PAGE_CACHE_4V;
#ifdef CONFIG_DEBUG_PAGEALLOC
- kern_linear_pte_xor[0] = _PAGE_VALID ^ 0xfffff80000000000UL;
+ kern_linear_pte_xor[0] = _PAGE_VALID ^ PAGE_OFFSET;
#else
kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZ4MB_4V) ^
- 0xfffff80000000000UL;
+ PAGE_OFFSET;
#endif
kern_linear_pte_xor[0] |= (_PAGE_CP_4V | _PAGE_CV_4V |
_PAGE_P_4V | _PAGE_W_4V);
--
2.1.2
--
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