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authorJiri Kosina <jkosina@suse.cz>2010-08-04 09:14:38 -0400
committerJiri Kosina <jkosina@suse.cz>2010-08-04 09:14:38 -0400
commitd790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch)
tree854ab394486288d40fa8179cbfaf66e8bdc44b0f /lib
parent73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff)
parent3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff)
Merge branch 'master' into for-next
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig3
-rw-r--r--lib/Makefile2
-rw-r--r--lib/atomic64_test.c2
-rw-r--r--lib/dynamic_debug.c2
-rw-r--r--lib/genalloc.c1
-rw-r--r--lib/idr.c4
-rw-r--r--lib/lmb.c541
-rw-r--r--lib/rbtree.c116
8 files changed, 76 insertions, 595 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 170d8ca901d8..5b916bc0fbae 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -181,9 +181,6 @@ config HAS_DMA
181config CHECK_SIGNATURE 181config CHECK_SIGNATURE
182 bool 182 bool
183 183
184config HAVE_LMB
185 boolean
186
187config CPUMASK_OFFSTACK 184config CPUMASK_OFFSTACK
188 bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS 185 bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
189 help 186 help
diff --git a/lib/Makefile b/lib/Makefile
index 3f1062cbbff4..0bfabba1bb32 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -89,8 +89,6 @@ obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
89 89
90lib-$(CONFIG_GENERIC_BUG) += bug.o 90lib-$(CONFIG_GENERIC_BUG) += bug.o
91 91
92obj-$(CONFIG_HAVE_LMB) += lmb.o
93
94obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o 92obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
95 93
96obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o 94obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c
index 250ed11d3ed2..44524cc8c32a 100644
--- a/lib/atomic64_test.c
+++ b/lib/atomic64_test.c
@@ -114,7 +114,7 @@ static __init int test_atomic64(void)
114 BUG_ON(v.counter != r); 114 BUG_ON(v.counter != r);
115 115
116#if defined(CONFIG_X86) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || \ 116#if defined(CONFIG_X86) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || \
117 defined(CONFIG_S390) || defined(_ASM_GENERIC_ATOMIC64_H) 117 defined(CONFIG_S390) || defined(_ASM_GENERIC_ATOMIC64_H) || defined(CONFIG_ARM)
118 INIT(onestwos); 118 INIT(onestwos);
119 BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1)); 119 BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1));
120 r -= one; 120 r -= one;
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 3df8eb17a607..02afc2533728 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -692,7 +692,7 @@ static void ddebug_table_free(struct ddebug_table *dt)
692 * Called in response to a module being unloaded. Removes 692 * Called in response to a module being unloaded. Removes
693 * any ddebug_table's which point at the module. 693 * any ddebug_table's which point at the module.
694 */ 694 */
695int ddebug_remove_module(char *mod_name) 695int ddebug_remove_module(const char *mod_name)
696{ 696{
697 struct ddebug_table *dt, *nextdt; 697 struct ddebug_table *dt, *nextdt;
698 int ret = -ENOENT; 698 int ret = -ENOENT;
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 736c3b06398e..1923f1490e72 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -128,7 +128,6 @@ unsigned long gen_pool_alloc(struct gen_pool *pool, size_t size)
128 chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk); 128 chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk);
129 129
130 end_bit = (chunk->end_addr - chunk->start_addr) >> order; 130 end_bit = (chunk->end_addr - chunk->start_addr) >> order;
131 end_bit -= nbits + 1;
132 131
133 spin_lock_irqsave(&chunk->lock, flags); 132 spin_lock_irqsave(&chunk->lock, flags);
134 start_bit = bitmap_find_next_zero_area(chunk->bits, end_bit, 0, 133 start_bit = bitmap_find_next_zero_area(chunk->bits, end_bit, 0,
diff --git a/lib/idr.c b/lib/idr.c
index c1a206901761..7f1a4f0acf50 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -602,7 +602,7 @@ void *idr_get_next(struct idr *idp, int *nextidp)
602 /* find first ent */ 602 /* find first ent */
603 n = idp->layers * IDR_BITS; 603 n = idp->layers * IDR_BITS;
604 max = 1 << n; 604 max = 1 << n;
605 p = rcu_dereference(idp->top); 605 p = rcu_dereference_raw(idp->top);
606 if (!p) 606 if (!p)
607 return NULL; 607 return NULL;
608 608
@@ -610,7 +610,7 @@ void *idr_get_next(struct idr *idp, int *nextidp)
610 while (n > 0 && p) { 610 while (n > 0 && p) {
611 n -= IDR_BITS; 611 n -= IDR_BITS;
612 *paa++ = p; 612 *paa++ = p;
613 p = rcu_dereference(p->ary[(id >> n) & IDR_MASK]); 613 p = rcu_dereference_raw(p->ary[(id >> n) & IDR_MASK]);
614 } 614 }
615 615
616 if (p) { 616 if (p) {
diff --git a/lib/lmb.c b/lib/lmb.c
deleted file mode 100644
index b1fc52606524..000000000000
--- a/lib/lmb.c
+++ /dev/null
@@ -1,541 +0,0 @@
1/*
2 * Procedures for maintaining information about logical memory blocks.
3 *
4 * Peter Bergner, IBM Corp. June 2001.
5 * Copyright (C) 2001 Peter Bergner.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/bitops.h>
16#include <linux/lmb.h>
17
18#define LMB_ALLOC_ANYWHERE 0
19
20struct lmb lmb;
21
22static int lmb_debug;
23
24static int __init early_lmb(char *p)
25{
26 if (p && strstr(p, "debug"))
27 lmb_debug = 1;
28 return 0;
29}
30early_param("lmb", early_lmb);
31
32static void lmb_dump(struct lmb_region *region, char *name)
33{
34 unsigned long long base, size;
35 int i;
36
37 pr_info(" %s.cnt = 0x%lx\n", name, region->cnt);
38
39 for (i = 0; i < region->cnt; i++) {
40 base = region->region[i].base;
41 size = region->region[i].size;
42
43 pr_info(" %s[0x%x]\t0x%016llx - 0x%016llx, 0x%llx bytes\n",
44 name, i, base, base + size - 1, size);
45 }
46}
47
48void lmb_dump_all(void)
49{
50 if (!lmb_debug)
51 return;
52
53 pr_info("LMB configuration:\n");
54 pr_info(" rmo_size = 0x%llx\n", (unsigned long long)lmb.rmo_size);
55 pr_info(" memory.size = 0x%llx\n", (unsigned long long)lmb.memory.size);
56
57 lmb_dump(&lmb.memory, "memory");
58 lmb_dump(&lmb.reserved, "reserved");
59}
60
61static unsigned long lmb_addrs_overlap(u64 base1, u64 size1, u64 base2,
62 u64 size2)
63{
64 return ((base1 < (base2 + size2)) && (base2 < (base1 + size1)));
65}
66
67static long lmb_addrs_adjacent(u64 base1, u64 size1, u64 base2, u64 size2)
68{
69 if (base2 == base1 + size1)
70 return 1;
71 else if (base1 == base2 + size2)
72 return -1;
73
74 return 0;
75}
76
77static long lmb_regions_adjacent(struct lmb_region *rgn,
78 unsigned long r1, unsigned long r2)
79{
80 u64 base1 = rgn->region[r1].base;
81 u64 size1 = rgn->region[r1].size;
82 u64 base2 = rgn->region[r2].base;
83 u64 size2 = rgn->region[r2].size;
84
85 return lmb_addrs_adjacent(base1, size1, base2, size2);
86}
87
88static void lmb_remove_region(struct lmb_region *rgn, unsigned long r)
89{
90 unsigned long i;
91
92 for (i = r; i < rgn->cnt - 1; i++) {
93 rgn->region[i].base = rgn->region[i + 1].base;
94 rgn->region[i].size = rgn->region[i + 1].size;
95 }
96 rgn->cnt--;
97}
98
99/* Assumption: base addr of region 1 < base addr of region 2 */
100static void lmb_coalesce_regions(struct lmb_region *rgn,
101 unsigned long r1, unsigned long r2)
102{
103 rgn->region[r1].size += rgn->region[r2].size;
104 lmb_remove_region(rgn, r2);
105}
106
107void __init lmb_init(void)