From: "Steven Rostedt (Red Hat)" <[email protected]>
The functions trace_seq_printf() and friends will soon no longer have
return values. Using trace_seq_has_overflowed() and trace_handle_return()
should be used instead.
Link: http://lkml.kernel.org/r/[email protected]
Cc: Masami Hiramatsu <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Srikar Dronamraju <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
---
kernel/trace/trace_uprobe.c | 23 ++++++++++-------------
1 file changed, 10 insertions(+), 13 deletions(-)
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index e35327c787f7..fd76f8e108ef 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -852,16 +852,14 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
tu = container_of(event, struct trace_uprobe, tp.call.event);
if (is_ret_probe(tu)) {
- if (!trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
- ftrace_event_name(&tu->tp.call),
- entry->vaddr[1], entry->vaddr[0]))
- goto partial;
+ trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
+ ftrace_event_name(&tu->tp.call),
+ entry->vaddr[1], entry->vaddr[0]);
data = DATAOF_TRACE_ENTRY(entry, true);
} else {
- if (!trace_seq_printf(s, "%s: (0x%lx)",
- ftrace_event_name(&tu->tp.call),
- entry->vaddr[0]))
- goto partial;
+ trace_seq_printf(s, "%s: (0x%lx)",
+ ftrace_event_name(&tu->tp.call),
+ entry->vaddr[0]);
data = DATAOF_TRACE_ENTRY(entry, false);
}
@@ -869,14 +867,13 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
struct probe_arg *parg = &tu->tp.args[i];
if (!parg->type->print(s, parg->name, data + parg->offset, entry))
- goto partial;
+ goto out;
}
- if (trace_seq_putc(s, '\n'))
- return TRACE_TYPE_HANDLED;
+ trace_seq_putc(s, '\n');
-partial:
- return TRACE_TYPE_PARTIAL_LINE;
+ out:
+ return trace_handle_return(s);
}
typedef bool (*filter_func_t)(struct uprobe_consumer *self,
--
2.1.1
(2014/11/15 13:58), Steven Rostedt wrote:
> From: "Steven Rostedt (Red Hat)" <[email protected]>
>
> The functions trace_seq_printf() and friends will soon no longer have
> return values. Using trace_seq_has_overflowed() and trace_handle_return()
> should be used instead.
>
> Link: http://lkml.kernel.org/r/[email protected]
>
This looks good to me :)
Reviewed-by: Masami Hiramatsu <[email protected]>
> Cc: Masami Hiramatsu <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Srikar Dronamraju <[email protected]>
> Signed-off-by: Steven Rostedt <[email protected]>
> ---
> kernel/trace/trace_uprobe.c | 23 ++++++++++-------------
> 1 file changed, 10 insertions(+), 13 deletions(-)
>
> diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
> index e35327c787f7..fd76f8e108ef 100644
> --- a/kernel/trace/trace_uprobe.c
> +++ b/kernel/trace/trace_uprobe.c
> @@ -852,16 +852,14 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
> tu = container_of(event, struct trace_uprobe, tp.call.event);
>
> if (is_ret_probe(tu)) {
> - if (!trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
> - ftrace_event_name(&tu->tp.call),
> - entry->vaddr[1], entry->vaddr[0]))
> - goto partial;
> + trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
> + ftrace_event_name(&tu->tp.call),
> + entry->vaddr[1], entry->vaddr[0]);
> data = DATAOF_TRACE_ENTRY(entry, true);
> } else {
> - if (!trace_seq_printf(s, "%s: (0x%lx)",
> - ftrace_event_name(&tu->tp.call),
> - entry->vaddr[0]))
> - goto partial;
> + trace_seq_printf(s, "%s: (0x%lx)",
> + ftrace_event_name(&tu->tp.call),
> + entry->vaddr[0]);
> data = DATAOF_TRACE_ENTRY(entry, false);
> }
>
> @@ -869,14 +867,13 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
> struct probe_arg *parg = &tu->tp.args[i];
>
> if (!parg->type->print(s, parg->name, data + parg->offset, entry))
> - goto partial;
> + goto out;
> }
>
> - if (trace_seq_putc(s, '\n'))
> - return TRACE_TYPE_HANDLED;
> + trace_seq_putc(s, '\n');
>
> -partial:
> - return TRACE_TYPE_PARTIAL_LINE;
> + out:
> + return trace_handle_return(s);
> }
>
> typedef bool (*filter_func_t)(struct uprobe_consumer *self,
--
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: [email protected]
* Steven Rostedt <[email protected]> [2014-11-14 23:58:57]:
> From: "Steven Rostedt (Red Hat)" <[email protected]>
>
> The functions trace_seq_printf() and friends will soon no longer have
> return values. Using trace_seq_has_overflowed() and trace_handle_return()
> should be used instead.
>
> Link: http://lkml.kernel.org/r/[email protected]
>
> Cc: Masami Hiramatsu <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Srikar Dronamraju <[email protected]>
> Signed-off-by: Steven Rostedt <[email protected]>
Looks good to me.
Acked-by: Srikar Dronamraju <[email protected]>
> ---
--
Thanks and Regards
Srikar Dronamraju
On Fri 2014-11-14 23:58:57, Steven Rostedt wrote:
> From: "Steven Rostedt (Red Hat)" <[email protected]>
>
> The functions trace_seq_printf() and friends will soon no longer have
> return values. Using trace_seq_has_overflowed() and trace_handle_return()
> should be used instead.
>
> Link: http://lkml.kernel.org/r/[email protected]
>
> Cc: Masami Hiramatsu <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Srikar Dronamraju <[email protected]>
> Signed-off-by: Steven Rostedt <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Best Regards,
Petr