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Code Issues Releases Wiki Activity

Merge branch 'for-4.16-print-symbol' into for-4.16

This commit is contained in:
Petr Mladek 2018-01-22 10:40:50 +01:00
parent 3ccdc5190f d2279c9d7f
commit 51ccbb0ae8
17 changed files with 31 additions and 79 deletions
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4
Documentation/filesystems/sysfs.txt
View File

@ -154,8 +154,8 @@ static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
if (dev_attr->show)
ret = dev_attr->show(dev, dev_attr, buf);
if (ret >= (ssize_t)PAGE_SIZE) {
print_symbol("dev_attr_show: %s returned bad count\n",
(unsigned long)dev_attr->show);
printk("dev_attr_show: %pS returned bad count\n",
dev_attr->show);
}
return ret;
}

4
Documentation/translations/zh_CN/filesystems/sysfs.txt
View File

@ -167,8 +167,8 @@ static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
if (dev_attr->show)
ret = dev_attr->show(dev, dev_attr, buf);
if (ret >= (ssize_t)PAGE_SIZE) {
print_symbol("dev_attr_show: %s returned bad count\n",
(unsigned long)dev_attr->show);
printk("dev_attr_show: %pS returned bad count\n",
dev_attr->show);
}
return ret;
}

5
arch/arm/kernel/process.c
View File

@ -21,7 +21,6 @@
#include <linux/unistd.h>
#include <linux/user.h>
#include <linux/interrupt.h>
#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/elfcore.h>
#include <linux/pm.h>
@ -121,8 +120,8 @@ void __show_regs(struct pt_regs *regs)
show_regs_print_info(KERN_DEFAULT);
print_symbol("PC is at %s\n", instruction_pointer(regs));
print_symbol("LR is at %s\n", regs->ARM_lr);
printk("PC is at %pS\n", (void *)instruction_pointer(regs));
printk("LR is at %pS\n", (void *)regs->ARM_lr);
printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n",
regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr);
printk("sp : %08lx ip : %08lx fp : %08lx\n",

5
arch/arm64/kernel/process.c
View File

@ -35,7 +35,6 @@
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/interrupt.h>
#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/cpu.h>
#include <linux/elfcore.h>
@ -221,8 +220,8 @@ void __show_regs(struct pt_regs *regs)
show_regs_print_info(KERN_DEFAULT);
print_pstate(regs);
print_symbol("pc : %s\n", regs->pc);
print_symbol("lr : %s\n", lr);
printk("pc : %pS\n", (void *)regs->pc);
printk("lr : %pS\n", (void *)lr);
printk("sp : %016llx\n", sp);
i = top_reg;

4
arch/c6x/kernel/traps.c
View File

@ -11,7 +11,6 @@
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/sched/debug.h>
#include <linux/kallsyms.h>
#include <linux/bug.h>
#include <asm/soc.h>
@ -375,8 +374,7 @@ static void show_trace(unsigned long *stack, unsigned long *endstack)
if (i % 5 == 0)
pr_debug("\n ");
#endif
pr_debug(" [<%08lx>]", addr);
print_symbol(" %s\n", addr);
pr_debug(" [<%08lx>] %pS\n", addr, (void *)addr);
i++;
}
}

10
arch/ia64/kernel/process.c
View File

@ -13,7 +13,6 @@
#include <linux/pm.h>
#include <linux/elf.h>
#include <linux/errno.h>
#include <linux/kallsyms.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/slab.h>
@ -69,7 +68,6 @@ void
ia64_do_show_stack (struct unw_frame_info *info, void *arg)
{
unsigned long ip, sp, bsp;
char buf[128]; /* don't make it so big that it overflows the stack! */
printk("\nCall Trace:\n");
do {
@ -79,11 +77,9 @@ ia64_do_show_stack (struct unw_frame_info *info, void *arg)
unw_get_sp(info, &sp);
unw_get_bsp(info, &bsp);
snprintf(buf, sizeof(buf),
" [<%016lx>] %%s\n"
printk(" [<%016lx>] %pS\n"
" sp=%016lx bsp=%016lx\n",
ip, sp, bsp);
print_symbol(buf, ip);
ip, (void *)ip, sp, bsp);
} while (unw_unwind(info) >= 0);
}
@ -111,7 +107,7 @@ show_regs (struct pt_regs *regs)
printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
init_utsname()->release);
print_symbol("ip is at %s\n", ip);
printk("ip is at %pS\n", (void *)ip);
printk("unat: %016lx pfs : %016lx rsc : %016lx\n",
regs->ar_unat, regs->ar_pfs, regs->ar_rsc);
printk("rnat: %016lx bsps: %016lx pr : %016lx\n",

4
arch/mn10300/kernel/traps.c
View File

@ -22,7 +22,6 @@
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/kallsyms.h>
#include <linux/pci.h>
#include <linux/kdebug.h>
#include <linux/bug.h>
@ -262,8 +261,7 @@ void show_trace(unsigned long *sp)
raslot = ULONG_MAX;
else
printk(" ?");
print_symbol(" %s", addr);
printk("\n");
printk(" %pS\n", (void *)addr);
}
}

5
arch/sh/kernel/process_32.c
View File

@ -20,7 +20,6 @@
#include <linux/sched/task_stack.h>
#include <linux/slab.h>
#include <linux/elfcore.h>
#include <linux/kallsyms.h>
#include <linux/fs.h>
#include <linux/ftrace.h>
#include <linux/hw_breakpoint.h>
@ -37,8 +36,8 @@ void show_regs(struct pt_regs * regs)
printk("\n");
show_regs_print_info(KERN_DEFAULT);
print_symbol("PC is at %s\n", instruction_pointer(regs));
print_symbol("PR is at %s\n", regs->pr);
printk("PC is at %pS\n", (void *)instruction_pointer(regs));
printk("PR is at %pS\n", (void *)regs->pr);
printk("PC : %08lx SP : %08lx SR : %08lx ",
regs->pc, regs->regs[15], regs->sr);

5
arch/unicore32/kernel/process.c
View File

@ -23,7 +23,6 @@
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/interrupt.h>
#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/cpu.h>
#include <linux/elfcore.h>
@ -139,8 +138,8 @@ void __show_regs(struct pt_regs *regs)
char buf[64];
show_regs_print_info(KERN_DEFAULT);
print_symbol("PC is at %s\n", instruction_pointer(regs));
print_symbol("LR is at %s\n", regs->UCreg_lr);
printk("PC is at %pS\n", (void *)instruction_pointer(regs));
printk("LR is at %pS\n", (void *)regs->UCreg_lr);
printk(KERN_DEFAULT "pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n"
"sp : %08lx ip : %08lx fp : %08lx\n",
regs->UCreg_pc, regs->UCreg_lr, regs->UCreg_asr,

3
arch/x86/kernel/cpu/mcheck/mce.c
View File

@ -14,7 +14,6 @@
#include <linux/capability.h>
#include <linux/miscdevice.h>
#include <linux/ratelimit.h>
#include <linux/kallsyms.h>
#include <linux/rcupdate.h>
#include <linux/kobject.h>
#include <linux/uaccess.h>
@ -235,7 +234,7 @@ static void __print_mce(struct mce *m)
m->cs, m->ip);
if (m->cs == __KERNEL_CS)
print_symbol("{%s}", m->ip);
pr_cont("{%pS}", (void *)m->ip);
pr_cont("\n");
}

5
arch/x86/mm/mmio-mod.c
View File

@ -29,7 +29,6 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/kallsyms.h>
#include <asm/pgtable.h>
#include <linux/mmiotrace.h>
#include <asm/e820/api.h> /* for ISA_START_ADDRESS */
@ -123,8 +122,8 @@ static void die_kmmio_nesting_error(struct pt_regs *regs, unsigned long addr)
pr_emerg("unexpected fault for address: 0x%08lx, last fault for address: 0x%08lx\n",
addr, my_reason->addr);
print_pte(addr);
print_symbol(KERN_EMERG "faulting IP is at %s\n", regs->ip);
print_symbol(KERN_EMERG "last faulting IP was at %s\n", my_reason->ip);
pr_emerg("faulting IP is at %pS\n", (void *)regs->ip);
pr_emerg("last faulting IP was at %pS\n", (void *)my_reason->ip);
#ifdef __i386__
pr_emerg("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n",
regs->ax, regs->bx, regs->cx, regs->dx);

5
drivers/base/core.c
View File

@ -22,7 +22,6 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/genhd.h>
#include <linux/kallsyms.h>
#include <linux/mutex.h>
#include <linux/pm_runtime.h>
#include <linux/netdevice.h>
@ -687,8 +686,8 @@ static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
if (dev_attr->show)
ret = dev_attr->show(dev, dev_attr, buf);
if (ret >= (ssize_t)PAGE_SIZE) {
print_symbol("dev_attr_show: %s returned bad count\n",
(unsigned long)dev_attr->show);
printk("dev_attr_show: %pS returned bad count\n",
dev_attr->show);
}
return ret;
}

5
fs/sysfs/file.c
View File

@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/kobject.h>
#include <linux/kallsyms.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/mutex.h>
@ -70,8 +69,8 @@ static int sysfs_kf_seq_show(struct seq_file *sf, void *v)
* indicate truncated result or overflow in normal use cases.
*/
if (count >= (ssize_t)PAGE_SIZE) {
print_symbol("fill_read_buffer: %s returned bad count\n",
(unsigned long)ops->show);
printk("fill_read_buffer: %pS returned bad count\n",
ops->show);
/* Try to struggle along */
count = PAGE_SIZE - 1;
}

18
include/linux/kallsyms.h
View File

@ -100,9 +100,6 @@ extern int sprint_symbol(char *buffer, unsigned long address);
extern int sprint_symbol_no_offset(char *buffer, unsigned long address);
extern int sprint_backtrace(char *buffer, unsigned long address);
/* Look up a kernel symbol and print it to the kernel messages. */
extern void __print_symbol(const char *fmt, unsigned long address);
int lookup_symbol_name(unsigned long addr, char *symname);
int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name);
@ -172,23 +169,8 @@ static inline int kallsyms_show_value(void)
return false;
}
/* Stupid that this does nothing, but I didn't create this mess. */
#define __print_symbol(fmt, addr)
#endif /*CONFIG_KALLSYMS*/
/* This macro allows us to keep printk typechecking */
static __printf(1, 2)
void __check_printsym_format(const char *fmt, ...)
{
}
static inline void print_symbol(const char *fmt, unsigned long addr)
{
__check_printsym_format(fmt, "");
__print_symbol(fmt, (unsigned long)
__builtin_extract_return_addr((void *)addr));
}
static inline void print_ip_sym(unsigned long ip)
{
printk("[<%p>] %pS\n", (void *) ip, (void *) ip);

14
kernel/irq/debug.h
View File

@ -3,8 +3,6 @@
* Debugging printout:
*/
#include <linux/kallsyms.h>
#define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
#define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
/* FIXME */
@ -14,14 +12,14 @@ static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
{
printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
printk("->handle_irq(): %p, ", desc->handle_irq);
print_symbol("%s\n", (unsigned long)desc->handle_irq);
printk("->irq_data.chip(): %p, ", desc->irq_data.chip);
print_symbol("%s\n", (unsigned long)desc->irq_data.chip);
printk("->handle_irq(): %p, %pS\n",
desc->handle_irq, desc->handle_irq);
printk("->irq_data.chip(): %p, %pS\n",
desc->irq_data.chip, desc->irq_data.chip);
printk("->action(): %p\n", desc->action);
if (desc->action) {
printk("->action->handler(): %p, ", desc->action->handler);
print_symbol("%s\n", (unsigned long)desc->action->handler);
printk("->action->handler(): %p, %pS\n",
desc->action->handler, desc->action->handler);
}
___P(IRQ_LEVEL);

11
kernel/kallsyms.c
View File

@ -429,17 +429,6 @@ int sprint_backtrace(char *buffer, unsigned long address)
return __sprint_symbol(buffer, address, -1, 1);
}
/* Look up a kernel symbol and print it to the kernel messages. */
void __print_symbol(const char *fmt, unsigned long address)
{
char buffer[KSYM_SYMBOL_LEN];
sprint_symbol(buffer, address);
printk(fmt, buffer);
}
EXPORT_SYMBOL(__print_symbol);
/* To avoid using get_symbol_offset for every symbol, we carry prefix along. */
struct kallsym_iter {
loff_t pos;

3
lib/smp_processor_id.c
View File

@ -5,7 +5,6 @@
* DEBUG_PREEMPT variant of smp_processor_id().
*/
#include <linux/export.h>
#include <linux/kallsyms.h>
#include <linux/sched.h>
notrace static unsigned int check_preemption_disabled(const char *what1,
@ -43,7 +42,7 @@ notrace static unsigned int check_preemption_disabled(const char *what1,
printk(KERN_ERR "BUG: using %s%s() in preemptible [%08x] code: %s/%d\n",
what1, what2, preempt_count() - 1, current->comm, current->pid);
print_symbol("caller is %s\n", (long)__builtin_return_address(0));
printk("caller is %pS\n", __builtin_return_address(0));
dump_stack();
out_enable: