From 413d404768256eda4e13fdfce753fe2bbff2fcaf Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 19 Nov 2014 13:31:08 +0100 Subject: [PATCH] s390/traps: print interrupt code and instruction length code It always confuses me to see the mixed instruction length code and interruption code on user space faults, while the message clearly says it is the interruption code. So split the value and print both values separately. Also add the ILC output to the die() message, so thar user and kernel space faults contain the same information. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/dumpstack.c | 3 ++- arch/s390/kernel/traps.c | 3 ++- arch/s390/mm/fault.c | 4 ++-- 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c index acb412442e5e9..a99852e96a77c 100644 --- a/arch/s390/kernel/dumpstack.c +++ b/arch/s390/kernel/dumpstack.c @@ -191,7 +191,8 @@ void die(struct pt_regs *regs, const char *str) console_verbose(); spin_lock_irq(&die_lock); bust_spinlocks(1); - printk("%s: %04x [#%d] ", str, regs->int_code & 0xffff, ++die_counter); + printk("%s: %04x ilc:%d [#%d] ", str, regs->int_code & 0xffff, + regs->int_code >> 17, ++die_counter); #ifdef CONFIG_PREEMPT printk("PREEMPT "); #endif diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 1e1b866b29669..b7a3ccffa3454 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); diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index ca70fad2fc924..811937bb90be6 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -261,8 +261,8 @@ static inline void report_user_fault(struct pt_regs *regs, long signr) return; if (!printk_ratelimit()) return; - printk(KERN_ALERT "User process fault: interruption code 0x%X ", - regs->int_code); + printk(KERN_ALERT "User process fault: interruption code %04x ilc:%d", + regs->int_code & 0xffff, regs->int_code >> 17); print_vma_addr(KERN_CONT "in ", regs->psw.addr & PSW_ADDR_INSN); printk(KERN_CONT "\n"); printk(KERN_ALERT "failing address: %016lx TEID: %016lx\n", -- 2.30.2