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authorSteven Rostedt <srostedt@redhat.com>2010-05-21 11:49:57 -0400
committerSteven Rostedt <rostedt@goodmis.org>2010-05-21 11:49:57 -0400
commitff5f149b6aec8edbfa3698721667acd043009a33 (patch)
treed052553eb296dfee3f01b1cb2b717cb7ccf3127a /arch/arm/mm
parentf0218b3e9974f06014b61be8987159f4a20e011e (diff)
parent580d607cd666dfabfc1c7b0fb08c8ac690c7c87f (diff)
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-7
Conflicts: include/linux/ftrace_event.h include/trace/ftrace.h kernel/trace/trace_event_perf.c kernel/trace/trace_kprobe.c kernel/trace/trace_syscalls.c Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/cache-v6.S17
-rw-r--r--arch/arm/mm/cache-v7.S4
-rw-r--r--arch/arm/mm/init.c14
-rw-r--r--arch/arm/mm/nommu.c13
-rw-r--r--arch/arm/mm/tlb-v7.S8
5 files changed, 40 insertions, 16 deletions
diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S
index 9d89c67a1cc3..e46ecd847138 100644
--- a/arch/arm/mm/cache-v6.S
+++ b/arch/arm/mm/cache-v6.S
@@ -211,6 +211,9 @@ v6_dma_inv_range:
211 mcrne p15, 0, r1, c7, c15, 1 @ clean & invalidate unified line 211 mcrne p15, 0, r1, c7, c15, 1 @ clean & invalidate unified line
212#endif 212#endif
2131: 2131:
214#ifdef CONFIG_SMP
215 str r0, [r0] @ write for ownership
216#endif
214#ifdef HARVARD_CACHE 217#ifdef HARVARD_CACHE
215 mcr p15, 0, r0, c7, c6, 1 @ invalidate D line 218 mcr p15, 0, r0, c7, c6, 1 @ invalidate D line
216#else 219#else
@@ -231,6 +234,9 @@ v6_dma_inv_range:
231v6_dma_clean_range: 234v6_dma_clean_range:
232 bic r0, r0, #D_CACHE_LINE_SIZE - 1 235 bic r0, r0, #D_CACHE_LINE_SIZE - 1
2331: 2361:
237#ifdef CONFIG_SMP
238 ldr r2, [r0] @ read for ownership
239#endif
234#ifdef HARVARD_CACHE 240#ifdef HARVARD_CACHE
235 mcr p15, 0, r0, c7, c10, 1 @ clean D line 241 mcr p15, 0, r0, c7, c10, 1 @ clean D line
236#else 242#else
@@ -251,6 +257,10 @@ v6_dma_clean_range:
251ENTRY(v6_dma_flush_range) 257ENTRY(v6_dma_flush_range)
252 bic r0, r0, #D_CACHE_LINE_SIZE - 1 258 bic r0, r0, #D_CACHE_LINE_SIZE - 1
2531: 2591:
260#ifdef CONFIG_SMP
261 ldr r2, [r0] @ read for ownership
262 str r2, [r0] @ write for ownership
263#endif
254#ifdef HARVARD_CACHE 264#ifdef HARVARD_CACHE
255 mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line 265 mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line
256#else 266#else
@@ -273,7 +283,9 @@ ENTRY(v6_dma_map_area)
273 add r1, r1, r0 283 add r1, r1, r0
274 teq r2, #DMA_FROM_DEVICE 284 teq r2, #DMA_FROM_DEVICE
275 beq v6_dma_inv_range 285 beq v6_dma_inv_range
276 b v6_dma_clean_range 286 teq r2, #DMA_TO_DEVICE
287 beq v6_dma_clean_range
288 b v6_dma_flush_range
277ENDPROC(v6_dma_map_area) 289ENDPROC(v6_dma_map_area)
278 290
279/* 291/*
@@ -283,9 +295,6 @@ ENDPROC(v6_dma_map_area)
283 * - dir - DMA direction 295 * - dir - DMA direction
284 */ 296 */
285ENTRY(v6_dma_unmap_area) 297ENTRY(v6_dma_unmap_area)
286 add r1, r1, r0
287 teq r2, #DMA_TO_DEVICE
288 bne v6_dma_inv_range
289 mov pc, lr 298 mov pc, lr
290ENDPROC(v6_dma_unmap_area) 299ENDPROC(v6_dma_unmap_area)
291 300
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index bcd64f265870..06a90dcfc60a 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -167,7 +167,11 @@ ENTRY(v7_coherent_user_range)
167 cmp r0, r1 167 cmp r0, r1
168 blo 1b 168 blo 1b
169 mov r0, #0 169 mov r0, #0
170#ifdef CONFIG_SMP
171 mcr p15, 0, r0, c7, c1, 6 @ invalidate BTB Inner Shareable
172#else
170 mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB 173 mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB
174#endif
171 dsb 175 dsb
172 isb 176 isb
173 mov pc, lr 177 mov pc, lr
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 83db12a68d56..0ed29bfeba1c 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -86,9 +86,6 @@ void show_mem(void)
86 printk("Mem-info:\n"); 86 printk("Mem-info:\n");
87 show_free_areas(); 87 show_free_areas();
88 for_each_online_node(node) { 88 for_each_online_node(node) {
89 pg_data_t *n = NODE_DATA(node);
90 struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
91
92 for_each_nodebank (i,mi,node) { 89 for_each_nodebank (i,mi,node) {
93 struct membank *bank = &mi->bank[i]; 90 struct membank *bank = &mi->bank[i];
94 unsigned int pfn1, pfn2; 91 unsigned int pfn1, pfn2;
@@ -97,8 +94,8 @@ void show_mem(void)
97 pfn1 = bank_pfn_start(bank); 94 pfn1 = bank_pfn_start(bank);
98 pfn2 = bank_pfn_end(bank); 95 pfn2 = bank_pfn_end(bank);
99 96
100 page = map + pfn1; 97 page = pfn_to_page(pfn1);
101 end = map + pfn2; 98 end = pfn_to_page(pfn2 - 1) + 1;
102 99
103 do { 100 do {
104 total++; 101 total++;
@@ -603,9 +600,6 @@ void __init mem_init(void)
603 reserved_pages = free_pages = 0; 600 reserved_pages = free_pages = 0;
604 601
605 for_each_online_node(node) { 602 for_each_online_node(node) {
606 pg_data_t *n = NODE_DATA(node);
607 struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
608
609 for_each_nodebank(i, &meminfo, node) { 603 for_each_nodebank(i, &meminfo, node) {
610 struct membank *bank = &meminfo.bank[i]; 604 struct membank *bank = &meminfo.bank[i];
611 unsigned int pfn1, pfn2; 605 unsigned int pfn1, pfn2;
@@ -614,8 +608,8 @@ void __init mem_init(void)
614 pfn1 = bank_pfn_start(bank); 608 pfn1 = bank_pfn_start(bank);
615 pfn2 = bank_pfn_end(bank); 609 pfn2 = bank_pfn_end(bank);
616 610
617 page = map + pfn1; 611 page = pfn_to_page(pfn1);
618 end = map + pfn2; 612 end = pfn_to_page(pfn2 - 1) + 1;
619 613
620 do { 614 do {
621 if (PageReserved(page)) 615 if (PageReserved(page))
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 9bfeb6b9509a..33b327379f07 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -65,6 +65,15 @@ void flush_dcache_page(struct page *page)
65} 65}
66EXPORT_SYMBOL(flush_dcache_page); 66EXPORT_SYMBOL(flush_dcache_page);
67 67
68void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
69 unsigned long uaddr, void *dst, const void *src,
70 unsigned long len)
71{
72 memcpy(dst, src, len);
73 if (vma->vm_flags & VM_EXEC)
74 __cpuc_coherent_user_range(uaddr, uaddr + len);
75}
76
68void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset, 77void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset,
69 size_t size, unsigned int mtype) 78 size_t size, unsigned int mtype)
70{ 79{
@@ -87,8 +96,8 @@ void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
87} 96}
88EXPORT_SYMBOL(__arm_ioremap); 97EXPORT_SYMBOL(__arm_ioremap);
89 98
90void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size, 99void __iomem *__arm_ioremap_caller(unsigned long phys_addr, size_t size,
91 unsigned int mtype, void *caller) 100 unsigned int mtype, void *caller)
92{ 101{
93 return __arm_ioremap(phys_addr, size, mtype); 102 return __arm_ioremap(phys_addr, size, mtype);
94} 103}
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index 0cb1848bd876..f3f288a9546d 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -50,7 +50,11 @@ ENTRY(v7wbi_flush_user_tlb_range)
50 cmp r0, r1 50 cmp r0, r1
51 blo 1b 51 blo 1b
52 mov ip, #0 52 mov ip, #0
53#ifdef CONFIG_SMP
54 mcr p15, 0, ip, c7, c1, 6 @ flush BTAC/BTB Inner Shareable
55#else
53 mcr p15, 0, ip, c7, c5, 6 @ flush BTAC/BTB 56 mcr p15, 0, ip, c7, c5, 6 @ flush BTAC/BTB
57#endif
54 dsb 58 dsb
55 mov pc, lr 59 mov pc, lr
56ENDPROC(v7wbi_flush_user_tlb_range) 60ENDPROC(v7wbi_flush_user_tlb_range)
@@ -79,7 +83,11 @@ ENTRY(v7wbi_flush_kern_tlb_range)
79 cmp r0, r1 83 cmp r0, r1
80 blo 1b 84 blo 1b
81 mov r2, #0 85 mov r2, #0
86#ifdef CONFIG_SMP
87 mcr p15, 0, r2, c7, c1, 6 @ flush BTAC/BTB Inner Shareable
88#else
82 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB 89 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB
90#endif
83 dsb 91 dsb
84 isb 92 isb
85 mov pc, lr 93 mov pc, lr