On Mon, 2013-07-01 at 15:31 -0700, Alexander Z Lam wrote:
> The trace_marker file was present for each new instance created, but it
> added the trace mark to the global trace buffer instead of to
> the instance's buffer.

Thanks, I'll get this into this merge window. And maybe even mark it for
stable.

-- Steve

> 
> Cc: David Sharp <[email protected]>
> Cc: Vaibhav Nagarnaik <[email protected]>
> Cc: Alexander Z Lam <[email protected]>
> Signed-off-by: Alexander Z Lam <[email protected]>
> ---
>  kernel/trace/trace.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index e0b0d2a..2f7307e 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -4351,6 +4351,7 @@ tracing_mark_write(struct file *filp, const char __user 
> *ubuf,
>                                       size_t cnt, loff_t *fpos)
>  {
>       unsigned long addr = (unsigned long)ubuf;
> +     struct trace_array *tr = filp->private_data;
>       struct ring_buffer_event *event;
>       struct ring_buffer *buffer;
>       struct print_entry *entry;
> @@ -4410,7 +4411,7 @@ tracing_mark_write(struct file *filp, const char __user 
> *ubuf,
>  
>       local_save_flags(irq_flags);
>       size = sizeof(*entry) + cnt + 2; /* possible \n added */
> -     buffer = global_trace.trace_buffer.buffer;
> +     buffer = tr->trace_buffer.buffer;
>       event = trace_buffer_lock_reserve(buffer, TRACE_PRINT, size,
>                                         irq_flags, preempt_count());
>       if (!event) {


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