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Diffstat (limited to 'arch/x86/kernel/traps_64.c')
-rw-r--r--arch/x86/kernel/traps_64.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index b295ebf0cb3..be73323ca95 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -125,7 +125,7 @@ kernel_trap:
}
#define DO_ERROR(trapnr, signr, str, name) \
-asmlinkage void do_##name(struct pt_regs *regs, long error_code) \
+dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \
{ \
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
== NOTIFY_STOP) \
@@ -135,7 +135,7 @@ asmlinkage void do_##name(struct pt_regs *regs, long error_code) \
}
#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \
-asmlinkage void do_##name(struct pt_regs *regs, long error_code) \
+dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \
{ \
siginfo_t info; \
info.si_signo = signr; \
@@ -159,7 +159,7 @@ DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
/* Runs on IST stack */
-asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code)
+dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
{
if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
12, SIGBUS) == NOTIFY_STOP)
@@ -169,7 +169,7 @@ asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code)
preempt_conditional_cli(regs);
}
-asmlinkage void do_double_fault(struct pt_regs *regs, long error_code)
+dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
{
static const char str[] = "double fault";
struct task_struct *tsk = current;
@@ -186,7 +186,7 @@ asmlinkage void do_double_fault(struct pt_regs *regs, long error_code)
die(str, regs, error_code);
}
-asmlinkage void __kprobes
+dotraplinkage void __kprobes
do_general_protection(struct pt_regs *regs, long error_code)
{
struct task_struct *tsk;
@@ -317,7 +317,7 @@ asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs)
io_check_error(reason, regs);
}
-asmlinkage notrace __kprobes void
+dotraplinkage notrace __kprobes void
do_nmi(struct pt_regs *regs, long error_code)
{
nmi_enter();
@@ -343,7 +343,7 @@ void restart_nmi(void)
}
/* runs on IST stack. */
-asmlinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
+dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
{
if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
== NOTIFY_STOP)
@@ -376,8 +376,7 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs)
}
/* runs on IST stack. */
-asmlinkage void __kprobes do_debug(struct pt_regs *regs,
- unsigned long error_code)
+dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
{
struct task_struct *tsk = current;
unsigned long condition;
@@ -510,7 +509,7 @@ void math_error(void __user *ip)
force_sig_info(SIGFPE, &info, task);
}
-asmlinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)
+dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)
{
conditional_sti(regs);
if (!user_mode(regs) &&
@@ -572,7 +571,8 @@ static void simd_math_error(void __user *ip)
force_sig_info(SIGFPE, &info, task);
}
-asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
+dotraplinkage void
+do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
{
conditional_sti(regs);
if (!user_mode(regs) &&
@@ -581,7 +581,8 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
simd_math_error((void __user *)regs->ip);
}
-asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code)
+dotraplinkage void
+do_spurious_interrupt_bug(struct pt_regs *regs, long error_code)
{
}
@@ -633,6 +634,12 @@ asmlinkage void math_state_restore(void)
}
EXPORT_SYMBOL_GPL(math_state_restore);
+dotraplinkage void __kprobes
+do_device_not_available(struct pt_regs *regs, long error)
+{
+ math_state_restore();
+}
+
void __init trap_init(void)
{
set_intr_gate(0, &divide_error);