From b615ebdac97c648a2ae7d23c5a0bbb3972adf928 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 7 Dec 2006 02:14:00 +0100 Subject: [PATCH] [PATCH] x86: shorten lines in unwinder to be <= 80 characters Andrew complained about > 80 character lines in the new unwinder. Fix that. Signed-off-by: Andi Kleen --- arch/i386/kernel/traps.c | 16 ++++++++++------ arch/x86_64/kernel/traps.c | 21 +++++++++++++-------- 2 files changed, 23 insertions(+), 14 deletions(-) diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index fe9c5e8e7e6f..fe81d89c50d3 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -173,6 +173,8 @@ dump_trace_unwind(struct unwind_frame_info *info, void *data) return n; } +#define MSG(msg) ops->warning(data, msg) + void dump_trace(struct task_struct *task, struct pt_regs *regs, unsigned long *stack, struct stacktrace_ops *ops, void *data) @@ -191,29 +193,31 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (unwind_init_frame_info(&info, task, regs) == 0) unw_ret = dump_trace_unwind(&info, &oad); } else if (task == current) - unw_ret = unwind_init_running(&info, dump_trace_unwind, &oad); + unw_ret = unwind_init_running(&info, dump_trace_unwind, + &oad); else { if (unwind_init_blocked(&info, task) == 0) unw_ret = dump_trace_unwind(&info, &oad); } if (unw_ret > 0) { if (call_trace == 1 && !arch_unw_user_mode(&info)) { - ops->warning_symbol(data, "DWARF2 unwinder stuck at %s\n", + ops->warning_symbol(data, + "DWARF2 unwinder stuck at %s\n", UNW_PC(&info)); if (UNW_SP(&info) >= PAGE_OFFSET) { - ops->warning(data, "Leftover inexact backtrace:\n"); + MSG("Leftover inexact backtrace:\n"); stack = (void *)UNW_SP(&info); if (!stack) return; ebp = UNW_FP(&info); } else - ops->warning(data, "Full inexact backtrace again:\n"); + MSG("Full inexact backtrace again:\n"); } else if (call_trace >= 1) return; else - ops->warning(data, "Full inexact backtrace again:\n"); + MSG("Full inexact backtrace again:\n"); } else - ops->warning(data, "Inexact backtrace:\n"); + MSG("Inexact backtrace:\n"); } if (!stack) { unsigned long dummy; diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 0d65b22f229c..d3f43c958ca1 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -235,6 +235,8 @@ static int dump_trace_unwind(struct unwind_frame_info *info, void *context) return n; } +#define MSG(txt) ops->warning(data, txt) + /* * x86-64 can have upto three kernel stacks: * process stack @@ -248,11 +250,12 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) return p > t && p < t + THREAD_SIZE - 3; } -void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack, +void dump_trace(struct task_struct *tsk, struct pt_regs *regs, + unsigned long *stack, struct stacktrace_ops *ops, void *data) { const unsigned cpu = smp_processor_id(); - unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; + unsigned long *irqstack_end = (unsigned long*)cpu_pda(cpu)->irqstackptr; unsigned used = 0; struct thread_info *tinfo; @@ -268,28 +271,30 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s if (unwind_init_frame_info(&info, tsk, regs) == 0) unw_ret = dump_trace_unwind(&info, &oad); } else if (tsk == current) - unw_ret = unwind_init_running(&info, dump_trace_unwind, &oad); + unw_ret = unwind_init_running(&info, dump_trace_unwind, + &oad); else { if (unwind_init_blocked(&info, tsk) == 0) unw_ret = dump_trace_unwind(&info, &oad); } if (unw_ret > 0) { if (call_trace == 1 && !arch_unw_user_mode(&info)) { - ops->warning_symbol(data, "DWARF2 unwinder stuck at %s\n", + ops->warning_symbol(data, + "DWARF2 unwinder stuck at %s\n", UNW_PC(&info)); if ((long)UNW_SP(&info) < 0) { - ops->warning(data, "Leftover inexact backtrace:\n"); + MSG("Leftover inexact backtrace:"); stack = (unsigned long *)UNW_SP(&info); if (!stack) return; } else - ops->warning(data, "Full inexact backtrace again:\n"); + MSG("Full inexact backtrace again:\n"); } else if (call_trace >= 1) return; else - ops->warning(data, "Full inexact backtrace again:\n"); + MSG("Full inexact backtrace again:\n"); } else - ops->warning(data, "Inexact backtrace:\n"); + MSG("Inexact backtrace:\n"); } if (!stack) { unsigned long dummy; -- 2.20.1