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Diffstat (limited to 'arch/s390/kernel/traps.c')
-rw-r--r--arch/s390/kernel/traps.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 9ff5ecba26ab..f081cf1157c3 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -49,7 +49,8 @@ static inline void report_user_fault(struct pt_regs *regs, int signr)
return;
if (!printk_ratelimit())
return;
- printk("User process fault: interruption code 0x%X ", regs->int_code);
+ printk("User process fault: interruption code %04x ilc:%d ",
+ regs->int_code & 0xffff, regs->int_code >> 17);
print_vma_addr("in ", regs->psw.addr & PSW_ADDR_INSN);
printk("\n");
show_regs(regs);
@@ -87,16 +88,16 @@ void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)
}
}
-static void __kprobes do_trap(struct pt_regs *regs, int si_signo, int si_code,
- char *str)
+static void do_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)
{
if (notify_die(DIE_TRAP, str, regs, 0,
regs->int_code, si_signo) == NOTIFY_STOP)
return;
do_report_trap(regs, si_signo, si_code, str);
}
+NOKPROBE_SYMBOL(do_trap);
-void __kprobes do_per_trap(struct pt_regs *regs)
+void do_per_trap(struct pt_regs *regs)
{
siginfo_t info;
@@ -111,6 +112,7 @@ void __kprobes do_per_trap(struct pt_regs *regs)
(void __force __user *) current->thread.per_event.address;
force_sig_info(SIGTRAP, &info, current);
}
+NOKPROBE_SYMBOL(do_per_trap);
void default_trap_handler(struct pt_regs *regs)
{
@@ -151,8 +153,6 @@ DO_ERROR_INFO(privileged_op, SIGILL, ILL_PRVOPC,
"privileged operation")
DO_ERROR_INFO(special_op_exception, SIGILL, ILL_ILLOPN,
"special operation exception")
-DO_ERROR_INFO(translation_exception, SIGILL, ILL_ILLOPN,
- "translation exception")
#ifdef CONFIG_64BIT
DO_ERROR_INFO(transaction_exception, SIGILL, ILL_ILLOPN,
@@ -179,7 +179,13 @@ static inline void do_fp_trap(struct pt_regs *regs, int fpc)
do_trap(regs, SIGFPE, si_code, "floating point exception");
}
-void __kprobes illegal_op(struct pt_regs *regs)
+void translation_exception(struct pt_regs *regs)
+{
+ /* May never happen. */
+ die(regs, "Translation exception");
+}
+
+void illegal_op(struct pt_regs *regs)
{
siginfo_t info;
__u8 opcode[6];
@@ -252,7 +258,7 @@ void __kprobes illegal_op(struct pt_regs *regs)
if (signal)
do_trap(regs, signal, ILL_ILLOPC, "illegal operation");
}
-
+NOKPROBE_SYMBOL(illegal_op);
#ifdef CONFIG_MATHEMU
void specification_exception(struct pt_regs *regs)
@@ -469,7 +475,7 @@ void space_switch_exception(struct pt_regs *regs)
do_trap(regs, SIGILL, ILL_PRVOPC, "space switch event");
}
-void __kprobes kernel_stack_overflow(struct pt_regs * regs)
+void kernel_stack_overflow(struct pt_regs *regs)
{
bust_spinlocks(1);
printk("Kernel stack overflow.\n");
@@ -477,6 +483,7 @@ void __kprobes kernel_stack_overflow(struct pt_regs * regs)
bust_spinlocks(0);
panic("Corrupt kernel stack, can't continue.");
}
+NOKPROBE_SYMBOL(kernel_stack_overflow);
void __init trap_init(void)
{