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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 14:44:09 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 14:44:09 -0500
commitb840d79631c882786925303c2b0f4fefc31845ed (patch)
treecda60a95d4507fe1321fc285af38982d7eb9693b /arch/x86/kernel/setup_percpu.c
parent597b0d21626da4e6f09f132442caf0cc2b0eb47c (diff)
parentc3d80000e3a812fe5a200d6bde755fbd7fa65481 (diff)
Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits) x86: export vector_used_by_percpu_irq x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and() sched: nominate preferred wakeup cpu, fix x86: fix lguest used_vectors breakage, -v2 x86: fix warning in arch/x86/kernel/io_apic.c sched: fix warning in kernel/sched.c sched: move test_sd_parent() to an SMP section of sched.h sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0 sched: activate active load balancing in new idle cpus sched: bias task wakeups to preferred semi-idle packages sched: nominate preferred wakeup cpu sched: favour lower logical cpu number for sched_mc balance sched: framework for sched_mc/smt_power_savings=N sched: convert BALANCE_FOR_xx_POWER to inline functions x86: use possible_cpus=NUM to extend the possible cpus allowed x86: fix cpu_mask_to_apicid_and to include cpu_online_mask x86: update io_apic.c to the new cpumask code x86: Introduce topology_core_cpumask()/topology_thread_cpumask() x86: xen: use smp_call_function_many() x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c ... Fixed up trivial conflict in kernel/time/tick-sched.c manually
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
-rw-r--r--arch/x86/kernel/setup_percpu.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index ae0c0d3bb770..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
@@ -282,7 +287,7 @@ static void __cpuinit numa_set_cpumask(int cpu, int enable)
282 else 287 else
283 cpu_clear(cpu, *mask); 288 cpu_clear(cpu, *mask);
284 289
285 cpulist_scnprintf(buf, sizeof(buf), *mask); 290 cpulist_scnprintf(buf, sizeof(buf), mask);
286 printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n", 291 printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n",
287 enable? "numa_add_cpu":"numa_remove_cpu", cpu, node, buf); 292 enable? "numa_add_cpu":"numa_remove_cpu", cpu, node, buf);
288 } 293 }