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Diffstat (limited to 'arch/powerpc/kernel/traps.c')
-rw-r--r--arch/powerpc/kernel/traps.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 25fc33984c2..a45a63c3a0c 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)
{