From: Heiko Carstens hca@linux.ibm.com
[ Upstream commit f09354ffd84eef3c88efa8ba6df05efe50cfd16a ]
There are many different types of translation exceptions but only a translation-specification exception leads to a kernel panic since it indicates corrupted page tables, which must never happen.
Improve the panic message so it is a bit more obvious what this is about.
Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/kernel/traps.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 2b780786fc68..ead721965b9f 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -142,10 +142,10 @@ static inline void do_fp_trap(struct pt_regs *regs, __u32 fpc) do_trap(regs, SIGFPE, si_code, "floating point exception"); }
-static void translation_exception(struct pt_regs *regs) +static void translation_specification_exception(struct pt_regs *regs) { /* May never happen. */ - panic("Translation exception"); + panic("Translation-Specification Exception"); }
static void illegal_op(struct pt_regs *regs) @@ -374,7 +374,7 @@ static void (*pgm_check_table[128])(struct pt_regs *regs) = { [0x0f] = hfp_divide_exception, [0x10] = do_dat_exception, [0x11] = do_dat_exception, - [0x12] = translation_exception, + [0x12] = translation_specification_exception, [0x13] = special_op_exception, [0x14] = default_trap_handler, [0x15] = operand_exception,