diff options
author | Mike Travis <travis@sgi.com> | 2008-12-16 20:33:53 -0500 |
---|---|---|
committer | Mike Travis <travis@sgi.com> | 2008-12-16 20:40:56 -0500 |
commit | a1681965011916c2f1f0f1f87e70784f5d5d5be5 (patch) | |
tree | 5dec029e3d4d3a39f3b28cf4ee052b0a35b5fad2 /arch/x86/kernel/setup_percpu.c | |
parent | e7986739a76cde5079da08809d8bbc6878387ae0 (diff) |
x86: move and enhance debug printk for nr_cpu_ids etc.
Impact: cleanup, better debugging
This has proven useful in debugging, *before* we try to use
for_each_possible_cpu(). It also now shows nr_cpumask_bits.
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
-rw-r--r-- | arch/x86/kernel/setup_percpu.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 1c2084291f97..0b63b08e7530 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c | |||
@@ -152,6 +152,11 @@ void __init setup_per_cpu_areas(void) | |||
152 | old_size = PERCPU_ENOUGH_ROOM; | 152 | old_size = PERCPU_ENOUGH_ROOM; |
153 | align = max_t(unsigned long, PAGE_SIZE, align); | 153 | align = max_t(unsigned long, PAGE_SIZE, align); |
154 | size = roundup(old_size, align); | 154 | size = roundup(old_size, align); |
155 | |||
156 | printk(KERN_INFO | ||
157 | "NR_CPUS:%d nr_cpumask_bits:%d nr_cpu_ids:%d nr_node_ids:%d\n", | ||
158 | NR_CPUS, nr_cpumask_bits, nr_cpu_ids, nr_node_ids); | ||
159 | |||
155 | printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n", | 160 | printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n", |
156 | size); | 161 | size); |
157 | 162 | ||
@@ -168,24 +173,24 @@ void __init setup_per_cpu_areas(void) | |||
168 | "cpu %d has no node %d or node-local memory\n", | 173 | "cpu %d has no node %d or node-local memory\n", |
169 | cpu, node); | 174 | cpu, node); |
170 | if (ptr) | 175 | if (ptr) |
171 | printk(KERN_DEBUG "per cpu data for cpu%d at %016lx\n", | 176 | printk(KERN_DEBUG |
177 | "per cpu data for cpu%d at %016lx\n", | ||
172 | cpu, __pa(ptr)); | 178 | cpu, __pa(ptr)); |
173 | } | 179 | } |
174 | else { | 180 | else { |
175 | ptr = __alloc_bootmem_node(NODE_DATA(node), size, align, | 181 | ptr = __alloc_bootmem_node(NODE_DATA(node), size, align, |
176 | __pa(MAX_DMA_ADDRESS)); | 182 | __pa(MAX_DMA_ADDRESS)); |
177 | if (ptr) | 183 | if (ptr) |
178 | printk(KERN_DEBUG "per cpu data for cpu%d on node%d at %016lx\n", | 184 | printk(KERN_DEBUG |
179 | cpu, node, __pa(ptr)); | 185 | "per cpu data for cpu%d on node%d " |
186 | "at %016lx\n", | ||
187 | cpu, node, __pa(ptr)); | ||
180 | } | 188 | } |
181 | #endif | 189 | #endif |
182 | per_cpu_offset(cpu) = ptr - __per_cpu_start; | 190 | per_cpu_offset(cpu) = ptr - __per_cpu_start; |
183 | memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); | 191 | memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); |
184 | } | 192 | } |
185 | 193 | ||
186 | printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d, nr_node_ids %d\n", | ||
187 | NR_CPUS, nr_cpu_ids, nr_node_ids); | ||
188 | |||
189 | /* Setup percpu data maps */ | 194 | /* Setup percpu data maps */ |
190 | setup_per_cpu_maps(); | 195 | setup_per_cpu_maps(); |
191 | 196 | ||