diff options
| -rw-r--r-- | arch/x86/kernel/traps.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index f579192..2a783c4 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -292,6 +292,8 @@ static void do_error_trap(struct pt_regs *regs, long error_code, char *str, enum ctx_state prev_state = exception_enter(); siginfo_t info; + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); + if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) != NOTIFY_STOP) { conditional_sti(regs); @@ -376,6 +378,7 @@ dotraplinkage void do_bounds(struct pt_regs *regs, long error_code) siginfo_t *info; prev_state = exception_enter(); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); if (notify_die(DIE_TRAP, "bounds", regs, error_code, X86_TRAP_BR, SIGSEGV) == NOTIFY_STOP) goto exit; @@ -457,6 +460,7 @@ do_general_protection(struct pt_regs *regs, long error_code) enum ctx_state prev_state; prev_state = exception_enter(); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); conditional_sti(regs); if (v8086_mode(regs)) { @@ -514,6 +518,7 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code) return; prev_state = ist_enter(regs); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); #ifdef CONFIG_KGDB_LOW_LEVEL_TRAP if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP, SIGTRAP) == NOTIFY_STOP) @@ -750,6 +755,7 @@ dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) enum ctx_state prev_state; prev_state = exception_enter(); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); math_error(regs, error_code, X86_TRAP_MF); exception_exit(prev_state); } @@ -760,6 +766,7 @@ do_simd_coprocessor_error(struct pt_regs *regs, long error_code) enum ctx_state prev_state; prev_state = exception_enter(); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); math_error(regs, error_code, X86_TRAP_XF); exception_exit(prev_state); } @@ -776,6 +783,7 @@ do_device_not_available(struct pt_regs *regs, long error_code) enum ctx_state prev_state; prev_state = exception_enter(); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); BUG_ON(use_eager_fpu()); #ifdef CONFIG_MATH_EMULATION @@ -805,6 +813,7 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code) enum ctx_state prev_state; prev_state = exception_enter(); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL); local_irq_enable(); info.si_signo = SIGILL; |