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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-07 22:50:50 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-07 22:50:50 (GMT) |
| commit | fb5131e1880ea1ba3ba7197cd5cc66c9c288f715 (patch) | |
| tree | f0d9f25f9079727b9ead5a2b4cc85a0fea9b4668 /arch/s390/kernel/traps.c | |
| parent | d074b104cefcb6e8ded55a53e62fed59a246f55d (diff) | |
| parent | 8e1023016cf17152972b98bce6c144834a4916d5 (diff) | |
| download | linux-fsl-qoriq-fb5131e1880ea1ba3ba7197cd5cc66c9c288f715.tar.xz | |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (65 commits)
[S390] prevent unneccesary loops_per_jiffy recalculation
[S390] cpuinfo: use get_online_cpus() instead of preempt_disable()
[S390] smp: remove cpu hotplug messages
[S390] mutex: enable spinning mutex on s390
[S390] mutex: Introduce arch_mutex_cpu_relax()
[S390] cio: fix ccwgroup unregistration race condition
[S390] perf: add DWARF register lookup for s390
[S390] cleanup ftrace backend functions
[S390] ptrace cleanup
[S390] smp/idle: call init_idle() before starting a new cpu
[S390] smp: delay idle task creation
[S390] dasd: Correct retry counter for terminated I/O.
[S390] dasd: Add support for raw ECKD access.
[S390] dasd: Prevent deadlock during suspend/resume.
[S390] dasd: Improve handling of stolen DASD reservation
[S390] dasd: do path verification for paths added at runtime
[S390] dasd: add High Performance FICON multitrack support
[S390] cio: reduce memory consumption of itcw structures
[S390] nmi: enable machine checks early
[S390] qeth: buffer count imbalance
...
Diffstat (limited to 'arch/s390/kernel/traps.c')
| -rw-r--r-- | arch/s390/kernel/traps.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 7064082..5eb78dd 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -365,12 +365,10 @@ static inline void __user *get_psw_address(struct pt_regs *regs, ((regs->psw.addr - (pgm_int_code >> 16)) & PSW_ADDR_INSN); } -void __kprobes do_single_step(struct pt_regs *regs) +void __kprobes do_per_trap(struct pt_regs *regs) { - if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0, - SIGTRAP) == NOTIFY_STOP){ + if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0, SIGTRAP) == NOTIFY_STOP) return; - } if (tracehook_consider_fatal_signal(current, SIGTRAP)) force_sig(SIGTRAP, current); } @@ -451,8 +449,8 @@ static inline void do_fp_trap(struct pt_regs *regs, void __user *location, "floating point exception", regs, &si); } -static void illegal_op(struct pt_regs *regs, long pgm_int_code, - unsigned long trans_exc_code) +static void __kprobes illegal_op(struct pt_regs *regs, long pgm_int_code, + unsigned long trans_exc_code) { siginfo_t info; __u8 opcode[6]; @@ -688,7 +686,7 @@ static void space_switch_exception(struct pt_regs *regs, long pgm_int_code, do_trap(pgm_int_code, SIGILL, "space switch event", regs, &info); } -asmlinkage void kernel_stack_overflow(struct pt_regs * regs) +asmlinkage void __kprobes kernel_stack_overflow(struct pt_regs * regs) { bust_spinlocks(1); printk("Kernel stack overflow.\n"); @@ -733,5 +731,6 @@ void __init trap_init(void) pgm_check_table[0x15] = &operand_exception; pgm_check_table[0x1C] = &space_switch_exception; pgm_check_table[0x1D] = &hfp_sqrt_exception; - pfault_irq_init(); + /* Enable machine checks early. */ + local_mcck_enable(); } |