diff options
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 25fc33984c2b..a45a63c3a0c7 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -55,9 +55,6 @@ #endif #include <asm/kexec.h> #include <asm/ppc-opcode.h> -#ifdef CONFIG_FSL_BOOKE -#include <asm/dbell.h> -#endif #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) int (*__debugger)(struct pt_regs *regs) __read_mostly; @@ -688,7 +685,7 @@ void RunModeException(struct pt_regs *regs) void __kprobes single_step_exception(struct pt_regs *regs) { - regs->msr &= ~(MSR_SE | MSR_BE); /* Turn off 'trace' bits */ + clear_single_step(regs); if (notify_die(DIE_SSTEP, "single_step", regs, 5, 5, SIGTRAP) == NOTIFY_STOP) @@ -707,10 +704,8 @@ void __kprobes single_step_exception(struct pt_regs *regs) */ static void emulate_single_step(struct pt_regs *regs) { - if (single_stepping(regs)) { - clear_single_step(regs); - _exception(SIGTRAP, regs, TRAP_TRACE, 0); - } + if (single_stepping(regs)) + single_step_exception(regs); } static inline int __parse_fpscr(unsigned long fpscr) @@ -1344,24 +1339,6 @@ void vsx_assist_exception(struct pt_regs *regs) #endif /* CONFIG_VSX */ #ifdef CONFIG_FSL_BOOKE - -void doorbell_exception(struct pt_regs *regs) -{ -#ifdef CONFIG_SMP - int cpu = smp_processor_id(); - int msg; - - if (num_online_cpus() < 2) - return; - - for (msg = 0; msg < 4; msg++) - if (test_and_clear_bit(msg, &dbell_smp_message[cpu])) - smp_message_recv(msg); -#else - printk(KERN_WARNING "Received doorbell on non-smp system\n"); -#endif -} - void CacheLockingException(struct pt_regs *regs, unsigned long address, unsigned long error_code) { |