diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/dumpstack.c | 28 | ||||
| -rw-r--r-- | arch/x86/kernel/dumpstack_32.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/dumpstack_64.c | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/process.c | 24 | ||||
| -rw-r--r-- | arch/x86/kernel/process_32.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/process_64.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 1 |
7 files changed, 14 insertions, 52 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index c8797d55b245..deb6421c9e69 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -176,26 +176,20 @@ void show_trace(struct task_struct *task, struct pt_regs *regs, void show_stack(struct task_struct *task, unsigned long *sp) { - show_stack_log_lvl(task, NULL, sp, 0, ""); -} - -/* - * The architecture-independent dump_stack generator - */ -void dump_stack(void) -{ - unsigned long bp; + unsigned long bp = 0; unsigned long stack; - bp = stack_frame(current, NULL); - printk("Pid: %d, comm: %.20s %s %s %.*s\n", - current->pid, current->comm, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); - show_trace(NULL, NULL, &stack, bp); + /* + * Stack frames below this one aren't interesting. Don't show them + * if we're printing for %current. + */ + if (!sp && (!task || task == current)) { + sp = &stack; + bp = stack_frame(current, NULL); + } + + show_stack_log_lvl(task, NULL, sp, bp, ""); } -EXPORT_SYMBOL(dump_stack); static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED; static int die_owner = -1; diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 1038a417ea53..f2a1770ca176 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -86,11 +86,9 @@ void show_regs(struct pt_regs *regs) { int i; + show_regs_print_info(KERN_EMERG); __show_regs(regs, !user_mode_vm(regs)); - pr_emerg("Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)\n", - TASK_COMM_LEN, current->comm, task_pid_nr(current), - current_thread_info(), current, task_thread_info(current)); /* * When in-kernel, we also print out the stack and code at the * time of the fault.. diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index b653675d5288..addb207dab92 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -249,14 +249,10 @@ void show_regs(struct pt_regs *regs) { int i; unsigned long sp; - const int cpu = smp_processor_id(); - struct task_struct *cur = current; sp = regs->sp; - printk("CPU %d ", cpu); + show_regs_print_info(KERN_DEFAULT); __show_regs(regs, 1); - printk(KERN_DEFAULT "Process %s (pid: %d, threadinfo %p, task %p)\n", - cur->comm, cur->pid, task_thread_info(cur), cur); /* * When in-kernel, we also print out the stack and code at the diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 14fcf55a5c5b..607af0d4d5ef 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -121,30 +121,6 @@ void exit_thread(void) drop_fpu(me); } -void show_regs_common(void) -{ - const char *vendor, *product, *board; - - vendor = dmi_get_system_info(DMI_SYS_VENDOR); - if (!vendor) - vendor = ""; - product = dmi_get_system_info(DMI_PRODUCT_NAME); - if (!product) - product = ""; - - /* Board Name is optional */ - board = dmi_get_system_info(DMI_BOARD_NAME); - - printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s %s %s%s%s\n", - current->pid, current->comm, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version, - vendor, product, - board ? "/" : "", - board ? board : ""); -} - void flush_thread(void) { struct task_struct *tsk = current; diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index b5a8905785e6..7305f7dfc7ab 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -84,8 +84,6 @@ void __show_regs(struct pt_regs *regs, int all) savesegment(gs, gs); } - show_regs_common(); - printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n", (u16)regs->cs, regs->ip, regs->flags, smp_processor_id()); diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 0f49677da51e..355ae06dbf94 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -62,7 +62,6 @@ void __show_regs(struct pt_regs *regs, int all) unsigned int fsindex, gsindex; unsigned int ds, cs, es; - show_regs_common(); printk(KERN_DEFAULT "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip); printk_address(regs->ip, 1); printk(KERN_DEFAULT "RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss, diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 4689855c2f8a..56f7fcfe7fa2 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -996,6 +996,7 @@ void __init setup_arch(char **cmdline_p) efi_init(); dmi_scan_machine(); + dmi_set_dump_stack_arch_desc(); /* * VMware detection requires dmi to be available, so this |