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s390: show_registers() should not map user space addresses to kernel symbols

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It doesn't make sense to map user space addresses to kernel symbols when
show_registers() prints a user space psw. So just skip the translation part
if a user space psw is handled.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2014-04-07 16:26:37 +02:00 • committed by Martin Schwidefsky
parent 3b7df3421f
commit 9ea806621d
1 changed files with 4 additions and 4 deletions
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8
arch/s390/kernel/dumpstack.c
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@ -144,10 +144,10 @@ void show_registers(struct pt_regs *regs)
char *mode; char *mode;
mode = user_mode(regs) ? "User" : "Krnl"; mode = user_mode(regs) ? "User" : "Krnl";
printk("%s PSW : %p %p (%pSR)\n", printk("%s PSW : %p %p", mode, (void *)regs->psw.mask, (void *)regs->psw.addr);
mode, (void *) regs->psw.mask, if (!user_mode(regs))
(void *) regs->psw.addr, printk(" (%pSR)", (void *)regs->psw.addr);
(void *) regs->psw.addr); printk("\n");
printk(" R:%x T:%x IO:%x EX:%x Key:%x M:%x W:%x " printk(" R:%x T:%x IO:%x EX:%x Key:%x M:%x W:%x "
"P:%x AS:%x CC:%x PM:%x", mask_bits(regs, PSW_MASK_PER), "P:%x AS:%x CC:%x PM:%x", mask_bits(regs, PSW_MASK_PER),
mask_bits(regs, PSW_MASK_DAT), mask_bits(regs, PSW_MASK_IO), mask_bits(regs, PSW_MASK_DAT), mask_bits(regs, PSW_MASK_IO),