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Diffstat (limited to 'arch/x86/kernel/dumpstack_64.c')
-rw-r--r--arch/x86/kernel/dumpstack_64.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index c302d0707048..d35db5993fd6 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -106,7 +106,8 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
106 const struct stacktrace_ops *ops, void *data) 106 const struct stacktrace_ops *ops, void *data)
107{ 107{
108 const unsigned cpu = get_cpu(); 108 const unsigned cpu = get_cpu();
109 unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; 109 unsigned long *irq_stack_end =
110 (unsigned long *)per_cpu(irq_stack_ptr, cpu);
110 unsigned used = 0; 111 unsigned used = 0;
111 struct thread_info *tinfo; 112 struct thread_info *tinfo;
112 int graph = 0; 113 int graph = 0;
@@ -160,23 +161,23 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
160 stack = (unsigned long *) estack_end[-2]; 161 stack = (unsigned long *) estack_end[-2];
161 continue; 162 continue;
162 } 163 }
163 if (irqstack_end) { 164 if (irq_stack_end) {
164 unsigned long *irqstack; 165 unsigned long *irq_stack;
165 irqstack = irqstack_end - 166 irq_stack = irq_stack_end -
166 (IRQSTACKSIZE - 64) / sizeof(*irqstack); 167 (IRQ_STACK_SIZE - 64) / sizeof(*irq_stack);
167 168
168 if (stack >= irqstack && stack < irqstack_end) { 169 if (stack >= irq_stack && stack < irq_stack_end) {
169 if (ops->stack(data, "IRQ") < 0) 170 if (ops->stack(data, "IRQ") < 0)
170 break; 171 break;
171 bp = print_context_stack(tinfo, stack, bp, 172 bp = print_context_stack(tinfo, stack, bp,
172 ops, data, irqstack_end, &graph); 173 ops, data, irq_stack_end, &graph);
173 /* 174 /*
174 * We link to the next stack (which would be 175 * We link to the next stack (which would be
175 * the process stack normally) the last 176 * the process stack normally) the last
176 * pointer (index -1 to end) in the IRQ stack: 177 * pointer (index -1 to end) in the IRQ stack:
177 */ 178 */
178 stack = (unsigned long *) (irqstack_end[-1]); 179 stack = (unsigned long *) (irq_stack_end[-1]);
179 irqstack_end = NULL; 180 irq_stack_end = NULL;
180 ops->stack(data, "EOI"); 181 ops->stack(data, "EOI");
181 continue; 182 continue;
182 } 183 }
@@ -199,10 +200,10 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
199 unsigned long *stack; 200 unsigned long *stack;
200 int i; 201 int i;
201 const int cpu = smp_processor_id(); 202 const int cpu = smp_processor_id();
202 unsigned long *irqstack_end = 203 unsigned long *irq_stack_end =
203 (unsigned long *) (cpu_pda(cpu)->irqstackptr); 204 (unsigned long *)(per_cpu(irq_stack_ptr, cpu));
204 unsigned long *irqstack = 205 unsigned long *irq_stack =
205 (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); 206 (unsigned long *)(per_cpu(irq_stack_ptr, cpu) - IRQ_STACK_SIZE);
206 207
207 /* 208 /*
208 * debugging aid: "show_stack(NULL, NULL);" prints the 209 * debugging aid: "show_stack(NULL, NULL);" prints the
@@ -218,9 +219,9 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
218 219
219 stack = sp; 220 stack = sp;
220 for (i = 0; i < kstack_depth_to_print; i++) { 221 for (i = 0; i < kstack_depth_to_print; i++) {
221 if (stack >= irqstack && stack <= irqstack_end) { 222 if (stack >= irq_stack && stack <= irq_stack_end) {
222 if (stack == irqstack_end) { 223 if (stack == irq_stack_end) {
223 stack = (unsigned long *) (irqstack_end[-1]); 224 stack = (unsigned long *) (irq_stack_end[-1]);
224 printk(" <EOI> "); 225 printk(" <EOI> ");
225 } 226 }
226 } else { 227 } else {
@@ -241,7 +242,7 @@ void show_registers(struct pt_regs *regs)
241 int i; 242 int i;
242 unsigned long sp; 243 unsigned long sp;
243 const int cpu = smp_processor_id(); 244 const int cpu = smp_processor_id();
244 struct task_struct *cur = cpu_pda(cpu)->pcurrent; 245 struct task_struct *cur = current;
245 246
246 sp = regs->sp; 247 sp = regs->sp;
247 printk("CPU %d ", cpu); 248 printk("CPU %d ", cpu);