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Diffstat (limited to 'arch/arm/kernel/traps.c')
-rw-r--r--arch/arm/kernel/traps.c73
1 files changed, 23 insertions, 50 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 0c8b10801d36..788e23fe64d8 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -198,14 +198,14 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
}
if (!fp) {
- printk("no frame pointer");
+ pr_cont("no frame pointer");
ok = 0;
} else if (verify_stack(fp)) {
- printk("invalid frame pointer 0x%08x", fp);
+ pr_cont("invalid frame pointer 0x%08x", fp);
ok = 0;
} else if (fp < (unsigned long)end_of_stack(tsk))
- printk("frame pointer underflow");
- printk("\n");
+ pr_cont("frame pointer underflow");
+ pr_cont("\n");
if (ok)
c_backtrace(fp, mode);
@@ -240,8 +240,8 @@ static int __die(const char *str, int err, struct pt_regs *regs)
static int die_counter;
int ret;
- printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP
- S_ISA "\n", str, err, ++die_counter);
+ pr_emerg("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP S_ISA "\n",
+ str, err, ++die_counter);
/* trap and error numbers are mostly meaningless on ARM */
ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV);
@@ -250,8 +250,8 @@ static int __die(const char *str, int err, struct pt_regs *regs)
print_modules();
__show_regs(regs);
- printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
+ pr_emerg("Process %.*s (pid: %d, stack limit = 0x%p)\n",
+ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
if (!user_mode(regs) || in_interrupt()) {
dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
@@ -446,7 +446,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
die_sig:
#ifdef CONFIG_DEBUG_USER
if (user_debug & UDBG_UNDEFINED) {
- printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n",
+ pr_info("%s (%d): undefined instruction: pc=%p\n",
current->comm, task_pid_nr(current), pc);
__show_regs(regs);
dump_instr(KERN_INFO, regs);
@@ -496,7 +496,7 @@ asmlinkage void bad_mode(struct pt_regs *regs, int reason)
{
console_verbose();
- printk(KERN_CRIT "Bad mode in %s handler detected\n", handler[reason]);
+ pr_crit("Bad mode in %s handler detected\n", handler[reason]);
die("Oops - bad mode", regs, 0);
local_irq_disable();
@@ -516,7 +516,7 @@ static int bad_syscall(int n, struct pt_regs *regs)
#ifdef CONFIG_DEBUG_USER
if (user_debug & UDBG_SYSCALL) {
- printk(KERN_ERR "[%d] %s: obsolete system call %08x.\n",
+ pr_err("[%d] %s: obsolete system call %08x.\n",
task_pid_nr(current), current->comm, n);
dump_instr(KERN_ERR, regs);
}
@@ -533,8 +533,6 @@ static int bad_syscall(int n, struct pt_regs *regs)
return regs->ARM_r0;
}
-static long do_cache_op_restart(struct restart_block *);
-
static inline int
__do_cache_op(unsigned long start, unsigned long end)
{
@@ -543,24 +541,8 @@ __do_cache_op(unsigned long start, unsigned long end)
do {
unsigned long chunk = min(PAGE_SIZE, end - start);
- if (signal_pending(current)) {
- struct thread_info *ti = current_thread_info();
-
- ti->restart_block = (struct restart_block) {
- .fn = do_cache_op_restart,
- };
-
- ti->arm_restart_block = (struct arm_restart_block) {
- {
- .cache = {
- .start = start,
- .end = end,
- },
- },
- };
-
- return -ERESTART_RESTARTBLOCK;
- }
+ if (fatal_signal_pending(current))
+ return 0;
ret = flush_cache_user_range(start, start + chunk);
if (ret)
@@ -573,15 +555,6 @@ __do_cache_op(unsigned long start, unsigned long end)
return 0;
}
-static long do_cache_op_restart(struct restart_block *unused)
-{
- struct arm_restart_block *restart_block;
-
- restart_block = &current_thread_info()->arm_restart_block;
- return __do_cache_op(restart_block->cache.start,
- restart_block->cache.end);
-}
-
static inline int
do_cache_op(unsigned long start, unsigned long end, int flags)
{
@@ -721,7 +694,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
* something catastrophic has happened
*/
if (user_debug & UDBG_SYSCALL) {
- printk("[%d] %s: arm syscall %d\n",
+ pr_err("[%d] %s: arm syscall %d\n",
task_pid_nr(current), current->comm, no);
dump_instr("", regs);
if (user_mode(regs)) {
@@ -780,8 +753,8 @@ late_initcall(arm_mrc_hook_init);
void __bad_xchg(volatile void *ptr, int size)
{
- printk("xchg: bad data size: pc 0x%p, ptr 0x%p, size %d\n",
- __builtin_return_address(0), ptr, size);
+ pr_err("xchg: bad data size: pc 0x%p, ptr 0x%p, size %d\n",
+ __builtin_return_address(0), ptr, size);
BUG();
}
EXPORT_SYMBOL(__bad_xchg);
@@ -798,8 +771,8 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs)
#ifdef CONFIG_DEBUG_USER
if (user_debug & UDBG_BADABORT) {
- printk(KERN_ERR "[%d] %s: bad data abort: code %d instr 0x%08lx\n",
- task_pid_nr(current), current->comm, code, instr);
+ pr_err("[%d] %s: bad data abort: code %d instr 0x%08lx\n",
+ task_pid_nr(current), current->comm, code, instr);
dump_instr(KERN_ERR, regs);
show_pte(current->mm, addr);
}
@@ -815,29 +788,29 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs)
void __readwrite_bug(const char *fn)
{
- printk("%s called, but not implemented\n", fn);
+ pr_err("%s called, but not implemented\n", fn);
BUG();
}
EXPORT_SYMBOL(__readwrite_bug);
void __pte_error(const char *file, int line, pte_t pte)
{
- printk("%s:%d: bad pte %08llx.\n", file, line, (long long)pte_val(pte));
+ pr_err("%s:%d: bad pte %08llx.\n", file, line, (long long)pte_val(pte));
}
void __pmd_error(const char *file, int line, pmd_t pmd)
{
- printk("%s:%d: bad pmd %08llx.\n", file, line, (long long)pmd_val(pmd));
+ pr_err("%s:%d: bad pmd %08llx.\n", file, line, (long long)pmd_val(pmd));
}
void __pgd_error(const char *file, int line, pgd_t pgd)
{
- printk("%s:%d: bad pgd %08llx.\n", file, line, (long long)pgd_val(pgd));
+ pr_err("%s:%d: bad pgd %08llx.\n", file, line, (long long)pgd_val(pgd));
}
asmlinkage void __div0(void)
{
- printk("Division by zero in kernel.\n");
+ pr_err("Division by zero in kernel.\n");
dump_stack();
}
EXPORT_SYMBOL(__div0);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-24 10:10:06 +0000