From: Dave Hansen <dave@linux.vnet.ibm.com>
To: linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Dave Hansen <dave@linux.vnet.ibm.com>
Subject: [RFC v2][PATCH 10/35] m68k: create ptemap.h
Date: Wed, 20 May 2009 11:25:01 -0700 [thread overview]
Message-ID: <20090520182501.EB38DAEB@kernel> (raw)
In-Reply-To: <20090520182445.D7B49A7C@kernel>
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
---
linux-2.6.git-dave/arch/m68k/include/asm/motorola_pgtable.h | 5 --
linux-2.6.git-dave/arch/m68k/include/asm/ptemap.h | 22 ++++++++++++
linux-2.6.git-dave/arch/m68k/include/asm/sun3_pgtable.h | 6 +--
3 files changed, 25 insertions(+), 8 deletions(-)
diff -puN arch/m68k/include/asm/motorola_pgtable.h~m68k-ptemaph arch/m68k/include/asm/motorola_pgtable.h
--- linux-2.6.git/arch/m68k/include/asm/motorola_pgtable.h~m68k-ptemaph 2009-04-30 15:10:58.000000000 -0700
+++ linux-2.6.git-dave/arch/m68k/include/asm/motorola_pgtable.h 2009-04-30 15:10:58.000000000 -0700
@@ -220,10 +220,7 @@ static inline pte_t *pte_offset_kernel(p
return (pte_t *)__pmd_page(*pmdp) + ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1));
}
-#define pte_offset_map(pmdp,address) ((pte_t *)__pmd_page(*pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
-#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address)
-#define pte_unmap(pte) ((void)0)
-#define pte_unmap_nested(pte) ((void)0)
+#include <asm/ptemap.h>
/*
* Allocate and free page tables. The xxx_kernel() versions are
diff -puN /dev/null arch/m68k/include/asm/ptemap.h
--- /dev/null 2008-09-02 09:40:19.000000000 -0700
+++ linux-2.6.git-dave/arch/m68k/include/asm/ptemap.h 2009-04-30 15:10:58.000000000 -0700
@@ -0,0 +1,22 @@
+#ifndef _M68K_ASM_PTEMAP_H
+#define _M68K_ASM_PTEMAP_H
+
+#ifdef CONFIG_SUN3
+
+#include <linux/mm.h>
+
+#define pte_offset_map(pmd, address) ((pte_t *)kmap(pmd_page(*pmd)) + pte_index(address))
+#define pte_offset_map_nested(pmd, address) pte_offset_map(pmd, address)
+#define pte_unmap(pte) kunmap(pte)
+#define pte_unmap_nested(pte) kunmap(pte)
+
+#else /* !CONFIG_SUN3, Motorola */
+
+#define pte_offset_map(pmdp,address) ((pte_t *)__pmd_page(*pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
+#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address)
+#define pte_unmap(pte) ((void)0)
+#define pte_unmap_nested(pte) ((void)0)
+
+#endif /* CONFIG_SUN3 */
+
+#endif /* _M68K_ASM_PTEMAP_H */
diff -puN arch/m68k/include/asm/sun3_pgtable.h~m68k-ptemaph arch/m68k/include/asm/sun3_pgtable.h
--- linux-2.6.git/arch/m68k/include/asm/sun3_pgtable.h~m68k-ptemaph 2009-04-30 15:10:58.000000000 -0700
+++ linux-2.6.git-dave/arch/m68k/include/asm/sun3_pgtable.h 2009-04-30 15:10:58.000000000 -0700
@@ -218,10 +218,8 @@ static inline pte_t pgoff_to_pte(unsigne
#define pte_index(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE-1))
#define pte_offset_kernel(pmd, address) ((pte_t *) __pmd_page(*pmd) + pte_index(address))
/* FIXME: should we bother with kmap() here? */
-#define pte_offset_map(pmd, address) ((pte_t *)kmap(pmd_page(*pmd)) + pte_index(address))
-#define pte_offset_map_nested(pmd, address) pte_offset_map(pmd, address)
-#define pte_unmap(pte) kunmap(pte)
-#define pte_unmap_nested(pte) kunmap(pte)
+
+#include <asm/ptemap.h>
/* Macros to (de)construct the fake PTEs representing swap pages. */
#define __swp_type(x) ((x).val & 0x7F)
_
next prev parent reply other threads:[~2009-05-20 18:27 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-20 18:24 [RFC v2][PATCH 00/35] consolidate pte mapping functions across all architectures Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 01/35] rename arm and frv's __pte_index() Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 02/35] rework sparc pte functions to be consistent with other arches Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 03/35] alpha: create ptemap.h Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 04/35] arm: " Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 05/35] avr32: " Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 06/35] cris: " Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 07/35] frv: " Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 08/35] ia64: " Dave Hansen
2009-05-20 18:24 ` [RFC v2][PATCH 09/35] m32r: " Dave Hansen
2009-05-20 18:25 ` Dave Hansen [this message]
2009-05-20 18:25 ` [RFC v2][PATCH 11/35] mips: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 12/35] mn10300: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 13/35] parisc: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 14/35] powerpc: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 15/35] s390: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 16/35] sh: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 17/35] sparc: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 18/35] um: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 19/35] x86: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 20/35] xtensa: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 21/35] create linux/ptemap.h for arch-independent pte mapping funcs Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 22/35] include linux/ptemap.h at all use sites Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 23/35] factor x86 pte mapping code Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 24/35] arm: use pte_offset_kernel() as base for pte_offset_map*() Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 25/35] cris: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 26/35] frv: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 27/35] m32r: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 28/35] mips: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 29/35] um: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 30/35] m68k: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 31/35] mn10300: " Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 32/35] Move users to asm-generic/ptemap.h Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 33/35] asm-generic/ptemap.h for HIGHPTE implementations Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 34/35] powerpc use generic ptemap.h Dave Hansen
2009-05-20 18:25 ` [RFC v2][PATCH 35/35] remove old ptemap.h includes Dave Hansen
2009-05-20 22:06 ` [RFC v2][PATCH 00/35] consolidate pte mapping functions across all architectures Jeremy Fitzhardinge
2009-05-20 22:38 ` Dave Hansen
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