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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2016-01-31 17:36:59 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-02-23 08:56:19 +0100 |
| commit | 1f021ea0da3bc499387d87e31aeb1e36d2db052b (patch) | |
| tree | 3e352ec4ad83eed213fc74998f6431c43c2fdb0f /arch/s390/kernel/dumpstack.c | |
| parent | ca0fd75a54cd4b1b1957bfa5611644f5b8b8465e (diff) | |
| download | linux-1f021ea0da3bc499387d87e31aeb1e36d2db052b.tar.bz2 | |
s390/dumpstack: use bit fields to decode psw mask in show_registers()
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/dumpstack.c')
| -rw-r--r-- | arch/s390/kernel/dumpstack.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c index 9a4852b7a1da..e1c786d23989 100644 --- a/arch/s390/kernel/dumpstack.c +++ b/arch/s390/kernel/dumpstack.c @@ -121,13 +121,9 @@ static void show_last_breaking_event(struct pt_regs *regs) printk(" [<%016lx>] %pSR\n", regs->args[0], (void *)regs->args[0]); } -static inline int mask_bits(struct pt_regs *regs, unsigned long bits) -{ - return (regs->psw.mask & bits) / ((~bits + 1) & bits); -} - void show_registers(struct pt_regs *regs) { + struct psw_bits *psw = &psw_bits(regs->psw); char *mode; mode = user_mode(regs) ? "User" : "Krnl"; @@ -136,14 +132,9 @@ void show_registers(struct pt_regs *regs) printk(" (%pSR)", (void *)regs->psw.addr); printk("\n"); 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), - mask_bits(regs, PSW_MASK_DAT), mask_bits(regs, PSW_MASK_IO), - mask_bits(regs, PSW_MASK_EXT), mask_bits(regs, PSW_MASK_KEY), - mask_bits(regs, PSW_MASK_MCHECK), mask_bits(regs, PSW_MASK_WAIT), - mask_bits(regs, PSW_MASK_PSTATE), mask_bits(regs, PSW_MASK_ASC), - mask_bits(regs, PSW_MASK_CC), mask_bits(regs, PSW_MASK_PM)); - printk(" RI:%x EA:%x", mask_bits(regs, PSW_MASK_RI), - mask_bits(regs, PSW_MASK_EA | PSW_MASK_BA)); + "P:%x AS:%x CC:%x PM:%x", psw->r, psw->t, psw->i, psw->e, + psw->key, psw->m, psw->w, psw->p, psw->as, psw->cc, psw->pm); + printk(" RI:%x EA:%x", psw->ri, psw->eaba); printk("\n%s GPRS: %016lx %016lx %016lx %016lx\n", mode, regs->gprs[0], regs->gprs[1], regs->gprs[2], regs->gprs[3]); printk(" %016lx %016lx %016lx %016lx\n", |