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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-26 22:00:52 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-26 22:00:52 -0400
commit45f6bc5ff9c3387387f048ec85dcb4e69acf0b03 (patch)
treed04952bb05b53a362bcd165fb910c5c1441b4c5d /arch/arc/include
parent3138887bd8d18173f3c2baf1e43621c49090cd27 (diff)
parente4aa937ec75df0eea0bee03bffa3303ad36c986b (diff)
Merge 3.10-rc3 into usb-next
We want these fixes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arc/include')
-rw-r--r--arch/arc/include/asm/cacheflush.h6
-rw-r--r--arch/arc/include/asm/page.h9
-rw-r--r--arch/arc/include/asm/pgtable.h26
-rw-r--r--arch/arc/include/asm/tlb.h2
4 files changed, 20 insertions, 23 deletions
diff --git a/arch/arc/include/asm/cacheflush.h b/arch/arc/include/asm/cacheflush.h
index 9f841af41092..ef62682e8d95 100644
--- a/arch/arc/include/asm/cacheflush.h
+++ b/arch/arc/include/asm/cacheflush.h
@@ -93,14 +93,16 @@ static inline int cache_is_vipt_aliasing(void)
93#endif 93#endif
94} 94}
95 95
96#define CACHE_COLOR(addr) (((unsigned long)(addr) >> (PAGE_SHIFT)) & 3) 96#define CACHE_COLOR(addr) (((unsigned long)(addr) >> (PAGE_SHIFT)) & 1)
97 97
98/* 98/*
99 * checks if two addresses (after page aligning) index into same cache set 99 * checks if two addresses (after page aligning) index into same cache set
100 */ 100 */
101#define addr_not_cache_congruent(addr1, addr2) \ 101#define addr_not_cache_congruent(addr1, addr2) \
102({ \
102 cache_is_vipt_aliasing() ? \ 103 cache_is_vipt_aliasing() ? \
103 (CACHE_COLOR(addr1) != CACHE_COLOR(addr2)) : 0 \ 104 (CACHE_COLOR(addr1) != CACHE_COLOR(addr2)) : 0; \
105})
104 106
105#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ 107#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
106do { \ 108do { \
diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h
index 374a35514116..ab84bf131fe1 100644
--- a/arch/arc/include/asm/page.h
+++ b/arch/arc/include/asm/page.h
@@ -19,13 +19,6 @@
19#define clear_page(paddr) memset((paddr), 0, PAGE_SIZE) 19#define clear_page(paddr) memset((paddr), 0, PAGE_SIZE)
20#define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) 20#define copy_page(to, from) memcpy((to), (from), PAGE_SIZE)
21 21
22#ifndef CONFIG_ARC_CACHE_VIPT_ALIASING
23
24#define clear_user_page(addr, vaddr, pg) clear_page(addr)
25#define copy_user_page(vto, vfrom, vaddr, pg) copy_page(vto, vfrom)
26
27#else /* VIPT aliasing dcache */
28
29struct vm_area_struct; 22struct vm_area_struct;
30struct page; 23struct page;
31 24
@@ -35,8 +28,6 @@ void copy_user_highpage(struct page *to, struct page *from,
35 unsigned long u_vaddr, struct vm_area_struct *vma); 28 unsigned long u_vaddr, struct vm_area_struct *vma);
36void clear_user_page(void *to, unsigned long u_vaddr, struct page *page); 29void clear_user_page(void *to, unsigned long u_vaddr, struct page *page);
37 30
38#endif /* CONFIG_ARC_CACHE_VIPT_ALIASING */
39
40#undef STRICT_MM_TYPECHECKS 31#undef STRICT_MM_TYPECHECKS
41 32
42#ifdef STRICT_MM_TYPECHECKS 33#ifdef STRICT_MM_TYPECHECKS
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 1cc4720faccb..95b1522212a7 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -57,9 +57,9 @@
57 57
58#define _PAGE_ACCESSED (1<<1) /* Page is accessed (S) */ 58#define _PAGE_ACCESSED (1<<1) /* Page is accessed (S) */
59#define _PAGE_CACHEABLE (1<<2) /* Page is cached (H) */ 59#define _PAGE_CACHEABLE (1<<2) /* Page is cached (H) */
60#define _PAGE_EXECUTE (1<<3) /* Page has user execute perm (H) */ 60#define _PAGE_U_EXECUTE (1<<3) /* Page has user execute perm (H) */
61#define _PAGE_WRITE (1<<4) /* Page has user write perm (H) */ 61#define _PAGE_U_WRITE (1<<4) /* Page has user write perm (H) */
62#define _PAGE_READ (1<<5) /* Page has user read perm (H) */ 62#define _PAGE_U_READ (1<<5) /* Page has user read perm (H) */
63#define _PAGE_K_EXECUTE (1<<6) /* Page has kernel execute perm (H) */ 63#define _PAGE_K_EXECUTE (1<<6) /* Page has kernel execute perm (H) */
64#define _PAGE_K_WRITE (1<<7) /* Page has kernel write perm (H) */ 64#define _PAGE_K_WRITE (1<<7) /* Page has kernel write perm (H) */
65#define _PAGE_K_READ (1<<8) /* Page has kernel perm (H) */ 65#define _PAGE_K_READ (1<<8) /* Page has kernel perm (H) */
@@ -72,9 +72,9 @@
72 72
73/* PD1 */ 73/* PD1 */
74#define _PAGE_CACHEABLE (1<<0) /* Page is cached (H) */ 74#define _PAGE_CACHEABLE (1<<0) /* Page is cached (H) */
75#define _PAGE_EXECUTE (1<<1) /* Page has user execute perm (H) */ 75#define _PAGE_U_EXECUTE (1<<1) /* Page has user execute perm (H) */
76#define _PAGE_WRITE (1<<2) /* Page has user write perm (H) */ 76#define _PAGE_U_WRITE (1<<2) /* Page has user write perm (H) */
77#define _PAGE_READ (1<<3) /* Page has user read perm (H) */ 77#define _PAGE_U_READ (1<<3) /* Page has user read perm (H) */
78#define _PAGE_K_EXECUTE (1<<4) /* Page has kernel execute perm (H) */ 78#define _PAGE_K_EXECUTE (1<<4) /* Page has kernel execute perm (H) */
79#define _PAGE_K_WRITE (1<<5) /* Page has kernel write perm (H) */ 79#define _PAGE_K_WRITE (1<<5) /* Page has kernel write perm (H) */
80#define _PAGE_K_READ (1<<6) /* Page has kernel perm (H) */ 80#define _PAGE_K_READ (1<<6) /* Page has kernel perm (H) */
@@ -93,7 +93,8 @@
93#endif 93#endif
94 94
95/* Kernel allowed all permissions for all pages */ 95/* Kernel allowed all permissions for all pages */
96#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ) 96#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ | \
97 _PAGE_GLOBAL | _PAGE_PRESENT)
97 98
98#ifdef CONFIG_ARC_CACHE_PAGES 99#ifdef CONFIG_ARC_CACHE_PAGES
99#define _PAGE_DEF_CACHEABLE _PAGE_CACHEABLE 100#define _PAGE_DEF_CACHEABLE _PAGE_CACHEABLE
@@ -106,7 +107,11 @@
106 * -by default cached, unless config otherwise 107 * -by default cached, unless config otherwise
107 * -present in memory 108 * -present in memory
108 */ 109 */
109#define ___DEF (_PAGE_PRESENT | _K_PAGE_PERMS | _PAGE_DEF_CACHEABLE) 110#define ___DEF (_PAGE_PRESENT | _PAGE_DEF_CACHEABLE)
111
112#define _PAGE_READ (_PAGE_U_READ | _PAGE_K_READ)
113#define _PAGE_WRITE (_PAGE_U_WRITE | _PAGE_K_WRITE)
114#define _PAGE_EXECUTE (_PAGE_U_EXECUTE | _PAGE_K_EXECUTE)
110 115
111/* Set of bits not changed in pte_modify */ 116/* Set of bits not changed in pte_modify */
112#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED) 117#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED)
@@ -125,11 +130,10 @@
125 * kernel vaddr space - visible in all addr spaces, but kernel mode only 130 * kernel vaddr space - visible in all addr spaces, but kernel mode only
126 * Thus Global, all-kernel-access, no-user-access, cached 131 * Thus Global, all-kernel-access, no-user-access, cached
127 */ 132 */
128#define PAGE_KERNEL __pgprot(___DEF | _PAGE_GLOBAL) 133#define PAGE_KERNEL __pgprot(_K_PAGE_PERMS | _PAGE_DEF_CACHEABLE)
129 134
130/* ioremap */ 135/* ioremap */
131#define PAGE_KERNEL_NO_CACHE __pgprot(_PAGE_PRESENT | _K_PAGE_PERMS | \ 136#define PAGE_KERNEL_NO_CACHE __pgprot(_K_PAGE_PERMS)
132 _PAGE_GLOBAL)
133 137
134/************************************************************************** 138/**************************************************************************
135 * Mapping of vm_flags (Generic VM) to PTE flags (arch specific) 139 * Mapping of vm_flags (Generic VM) to PTE flags (arch specific)
diff --git a/arch/arc/include/asm/tlb.h b/arch/arc/include/asm/tlb.h
index 85b6df839bd7..cb0c708ca665 100644
--- a/arch/arc/include/asm/tlb.h
+++ b/arch/arc/include/asm/tlb.h
@@ -16,7 +16,7 @@
16/* Masks for actual TLB "PD"s */ 16/* Masks for actual TLB "PD"s */
17#define PTE_BITS_IN_PD0 (_PAGE_GLOBAL | _PAGE_PRESENT) 17#define PTE_BITS_IN_PD0 (_PAGE_GLOBAL | _PAGE_PRESENT)
18#define PTE_BITS_IN_PD1 (PAGE_MASK | _PAGE_CACHEABLE | \ 18#define PTE_BITS_IN_PD1 (PAGE_MASK | _PAGE_CACHEABLE | \
19 _PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ | \ 19 _PAGE_U_EXECUTE | _PAGE_U_WRITE | _PAGE_U_READ | \
20 _PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ) 20 _PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ)
21 21
22#ifndef __ASSEMBLY__ 22#ifndef __ASSEMBLY__