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authorIngo Molnar <mingo@elte.hu>2008-10-28 11:26:12 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-28 11:26:12 -0400
commit7a9787e1eba95a166265e6a260cf30af04ef0a99 (patch)
treee730a4565e0318140d2fbd2f0415d18a339d7336 /arch/mips/mm
parent41b9eb264c8407655db57b60b4457fe1b2ec9977 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/Makefile3
-rw-r--r--arch/mips/mm/c-r3k.c1
-rw-r--r--arch/mips/mm/c-r4k.c18
-rw-r--r--arch/mips/mm/c-tx39.c2
-rw-r--r--arch/mips/mm/cache.c1
-rw-r--r--arch/mips/mm/dma-default.c2
-rw-r--r--arch/mips/mm/pgtable.c36
-rw-r--r--arch/mips/mm/tlb-r3k.c4
-rw-r--r--arch/mips/mm/tlbex.c6
9 files changed, 21 insertions, 52 deletions
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index 48731020ca0e..44e8dd8106bf 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -3,8 +3,7 @@
3# 3#
4 4
5obj-y += cache.o dma-default.o extable.o fault.o \ 5obj-y += cache.o dma-default.o extable.o fault.o \
6 init.o pgtable.o tlbex.o tlbex-fault.o \ 6 init.o tlbex.o tlbex-fault.o uasm.o page.o
7 uasm.o page.o
8 7
9obj-$(CONFIG_32BIT) += ioremap.o pgtable-32.o 8obj-$(CONFIG_32BIT) += ioremap.o pgtable-32.o
10obj-$(CONFIG_64BIT) += pgtable-64.o 9obj-$(CONFIG_64BIT) += pgtable-64.o
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 27a5b466c85c..5500c20c79ae 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -320,6 +320,7 @@ void __cpuinit r3k_cache_init(void)
320 flush_cache_range = r3k_flush_cache_range; 320 flush_cache_range = r3k_flush_cache_range;
321 flush_cache_page = r3k_flush_cache_page; 321 flush_cache_page = r3k_flush_cache_page;
322 flush_icache_range = r3k_flush_icache_range; 322 flush_icache_range = r3k_flush_icache_range;
323 local_flush_icache_range = r3k_flush_icache_range;
323 324
324 flush_cache_sigtramp = r3k_flush_cache_sigtramp; 325 flush_cache_sigtramp = r3k_flush_cache_sigtramp;
325 local_flush_data_cache_page = local_r3k_flush_data_cache_page; 326 local_flush_data_cache_page = local_r3k_flush_data_cache_page;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 71df3390c07b..6e99665ae860 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -543,12 +543,8 @@ struct flush_icache_range_args {
543 unsigned long end; 543 unsigned long end;
544}; 544};
545 545
546static inline void local_r4k_flush_icache_range(void *args) 546static inline void local_r4k_flush_icache_range(unsigned long start, unsigned long end)
547{ 547{
548 struct flush_icache_range_args *fir_args = args;
549 unsigned long start = fir_args->start;
550 unsigned long end = fir_args->end;
551
552 if (!cpu_has_ic_fills_f_dc) { 548 if (!cpu_has_ic_fills_f_dc) {
553 if (end - start >= dcache_size) { 549 if (end - start >= dcache_size) {
554 r4k_blast_dcache(); 550 r4k_blast_dcache();
@@ -564,6 +560,15 @@ static inline void local_r4k_flush_icache_range(void *args)
564 protected_blast_icache_range(start, end); 560 protected_blast_icache_range(start, end);
565} 561}
566 562
563static inline void local_r4k_flush_icache_range_ipi(void *args)
564{
565 struct flush_icache_range_args *fir_args = args;
566 unsigned long start = fir_args->start;
567 unsigned long end = fir_args->end;
568
569 local_r4k_flush_icache_range(start, end);
570}
571
567static void r4k_flush_icache_range(unsigned long start, unsigned long end) 572static void r4k_flush_icache_range(unsigned long start, unsigned long end)
568{ 573{
569 struct flush_icache_range_args args; 574 struct flush_icache_range_args args;
@@ -571,7 +576,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end)
571 args.start = start; 576 args.start = start;
572 args.end = end; 577 args.end = end;
573 578
574 r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1); 579 r4k_on_each_cpu(local_r4k_flush_icache_range_ipi, &args, 1);
575 instruction_hazard(); 580 instruction_hazard();
576} 581}
577 582
@@ -1375,6 +1380,7 @@ void __cpuinit r4k_cache_init(void)
1375 local_flush_data_cache_page = local_r4k_flush_data_cache_page; 1380 local_flush_data_cache_page = local_r4k_flush_data_cache_page;
1376 flush_data_cache_page = r4k_flush_data_cache_page; 1381 flush_data_cache_page = r4k_flush_data_cache_page;
1377 flush_icache_range = r4k_flush_icache_range; 1382 flush_icache_range = r4k_flush_icache_range;
1383 local_flush_icache_range = local_r4k_flush_icache_range;
1378 1384
1379#if defined(CONFIG_DMA_NONCOHERENT) 1385#if defined(CONFIG_DMA_NONCOHERENT)
1380 if (coherentio) { 1386 if (coherentio) {
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index a9f7f1f5e9b4..f7c8f9ce39c1 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -362,6 +362,7 @@ void __cpuinit tx39_cache_init(void)
362 flush_cache_range = (void *) tx39h_flush_icache_all; 362 flush_cache_range = (void *) tx39h_flush_icache_all;
363 flush_cache_page = (void *) tx39h_flush_icache_all; 363 flush_cache_page = (void *) tx39h_flush_icache_all;
364 flush_icache_range = (void *) tx39h_flush_icache_all; 364 flush_icache_range = (void *) tx39h_flush_icache_all;
365 local_flush_icache_range = (void *) tx39h_flush_icache_all;
365 366
366 flush_cache_sigtramp = (void *) tx39h_flush_icache_all; 367 flush_cache_sigtramp = (void *) tx39h_flush_icache_all;
367 local_flush_data_cache_page = (void *) tx39h_flush_icache_all; 368 local_flush_data_cache_page = (void *) tx39h_flush_icache_all;
@@ -390,6 +391,7 @@ void __cpuinit tx39_cache_init(void)
390 flush_cache_range = tx39_flush_cache_range; 391 flush_cache_range = tx39_flush_cache_range;
391 flush_cache_page = tx39_flush_cache_page; 392 flush_cache_page = tx39_flush_cache_page;
392 flush_icache_range = tx39_flush_icache_range; 393 flush_icache_range = tx39_flush_icache_range;
394 local_flush_icache_range = tx39_flush_icache_range;
393 395
394 flush_cache_sigtramp = tx39_flush_cache_sigtramp; 396 flush_cache_sigtramp = tx39_flush_cache_sigtramp;
395 local_flush_data_cache_page = local_tx39_flush_data_cache_page; 397 local_flush_data_cache_page = local_tx39_flush_data_cache_page;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 034e8506f6ea..1eb7c71e3d6a 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -29,6 +29,7 @@ void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start,
29void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, 29void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page,
30 unsigned long pfn); 30 unsigned long pfn);
31void (*flush_icache_range)(unsigned long start, unsigned long end); 31void (*flush_icache_range)(unsigned long start, unsigned long end);
32void (*local_flush_icache_range)(unsigned long start, unsigned long end);
32 33
33void (*__flush_cache_vmap)(void); 34void (*__flush_cache_vmap)(void);
34void (*__flush_cache_vunmap)(void); 35void (*__flush_cache_vunmap)(void);
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index ae39dd88b9aa..891312f8e5a6 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -348,7 +348,7 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nele
348 348
349EXPORT_SYMBOL(dma_sync_sg_for_device); 349EXPORT_SYMBOL(dma_sync_sg_for_device);
350 350
351int dma_mapping_error(dma_addr_t dma_addr) 351int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
352{ 352{
353 return 0; 353 return 0;
354} 354}
diff --git a/arch/mips/mm/pgtable.c b/arch/mips/mm/pgtable.c
deleted file mode 100644
index 7dfa579ab24c..000000000000
--- a/arch/mips/mm/pgtable.c
+++ /dev/null
@@ -1,36 +0,0 @@
1#include <linux/kernel.h>
2#include <linux/mm.h>
3#include <linux/swap.h>
4
5void show_mem(void)
6{
7#ifndef CONFIG_NEED_MULTIPLE_NODES /* XXX(hch): later.. */
8 int pfn, total = 0, reserved = 0;
9 int shared = 0, cached = 0;
10 int highmem = 0;
11 struct page *page;
12
13 printk("Mem-info:\n");
14 show_free_areas();
15 pfn = max_mapnr;
16 while (pfn-- > 0) {
17 if (!pfn_valid(pfn))
18 continue;
19 page = pfn_to_page(pfn);
20 total++;
21 if (PageHighMem(page))
22 highmem++;
23 if (PageReserved(page))
24 reserved++;
25 else if (PageSwapCache(page))
26 cached++;
27 else if (page_count(page))
28 shared += page_count(page) - 1;
29 }
30 printk("%d pages of RAM\n", total);
31 printk("%d pages of HIGHMEM\n", highmem);
32 printk("%d reserved pages\n", reserved);
33 printk("%d pages shared\n", shared);
34 printk("%d pages swap cached\n", cached);
35#endif
36}
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index a782549ac80e..f0cf46adb978 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -246,10 +246,6 @@ void __init add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
246 old_pagemask = read_c0_pagemask(); 246 old_pagemask = read_c0_pagemask();
247 w = read_c0_wired(); 247 w = read_c0_wired();
248 write_c0_wired(w + 1); 248 write_c0_wired(w + 1);
249 if (read_c0_wired() != w + 1) {
250 printk("[tlbwired] No WIRED reg?\n");
251 return;
252 }
253 write_c0_index(w << 8); 249 write_c0_index(w << 8);
254 write_c0_pagemask(pagemask); 250 write_c0_pagemask(pagemask);
255 write_c0_entryhi(entryhi); 251 write_c0_entryhi(entryhi);
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 76da73a5ab3c..979cf9197282 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1273,10 +1273,10 @@ void __cpuinit build_tlb_refill_handler(void)
1273 1273
1274void __cpuinit flush_tlb_handlers(void) 1274void __cpuinit flush_tlb_handlers(void)
1275{ 1275{
1276 flush_icache_range((unsigned long)handle_tlbl, 1276 local_flush_icache_range((unsigned long)handle_tlbl,
1277 (unsigned long)handle_tlbl + sizeof(handle_tlbl)); 1277 (unsigned long)handle_tlbl + sizeof(handle_tlbl));
1278 flush_icache_range((unsigned long)handle_tlbs, 1278 local_flush_icache_range((unsigned long)handle_tlbs,
1279 (unsigned long)handle_tlbs + sizeof(handle_tlbs)); 1279 (unsigned long)handle_tlbs + sizeof(handle_tlbs));
1280 flush_icache_range((unsigned long)handle_tlbm, 1280 local_flush_icache_range((unsigned long)handle_tlbm,
1281 (unsigned long)handle_tlbm + sizeof(handle_tlbm)); 1281 (unsigned long)handle_tlbm + sizeof(handle_tlbm));
1282} 1282}