Merge branch 'tracing/core' into tracing/hw-breakpoints

Conflicts:
	arch/Kconfig
	kernel/trace/trace.h

Merge reason: resolve the conflicts, plus adopt to the new
              ring-buffer APIs.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 11 deletions

diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 9bb2f6241d9f..86783efa24ee 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -154,39 +154,35 @@ void __kprobes get_instruction_type(struct arch_specific_insn *ainsn)
 
 static int __kprobes swap_instruction(void *aref)
 {
+        struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+        unsigned long status = kcb->kprobe_status;
         struct ins_replace_args *args = aref;
+        int rc;
 
-        return probe_kernel_write(args->ptr, &args->new, sizeof(args->new));
+        kcb->kprobe_status = KPROBE_SWAP_INST;
+        rc = probe_kernel_write(args->ptr, &args->new, sizeof(args->new));
+        kcb->kprobe_status = status;
+        return rc;
 }
 
 void __kprobes arch_arm_kprobe(struct kprobe *p)
 {
-        struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
-        unsigned long status = kcb->kprobe_status;
         struct ins_replace_args args;
 
         args.ptr = p->addr;
         args.old = p->opcode;
         args.new = BREAKPOINT_INSTRUCTION;
-
-        kcb->kprobe_status = KPROBE_SWAP_INST;
         stop_machine(swap_instruction, &args, NULL);
-        kcb->kprobe_status = status;
 }
 
 void __kprobes arch_disarm_kprobe(struct kprobe *p)
 {
-        struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
-        unsigned long status = kcb->kprobe_status;
         struct ins_replace_args args;
 
         args.ptr = p->addr;
         args.old = BREAKPOINT_INSTRUCTION;
         args.new = p->opcode;
-
-        kcb->kprobe_status = KPROBE_SWAP_INST;
         stop_machine(swap_instruction, &args, NULL);
-        kcb->kprobe_status = status;
 }
 
 void __kprobes arch_remove_kprobe(struct kprobe *p)