From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jiri Kosina <jkosina@suse.cz>, Petr Mladek <pmladek@suse.cz>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Subject: Re: [RFC][PATCH 07/23 v4] kprobes/tracing: Use trace_seq_has_overflowed() for overflow checks
Date: Fri, 14 Nov 2014 10:54:28 +0530 [thread overview]
Message-ID: <20141114052428.GB336@linux.vnet.ibm.com> (raw)
In-Reply-To: <20141114011411.181812785@goodmis.org>
* Steven Rostedt <rostedt@goodmis.org> [2014-11-13 20:12:51]:
> From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
>
> Instead of checking the return value of trace_seq_printf() and friends
> for overflowing of the buffer, use the trace_seq_has_overflowed() helper
> function.
>
> This cleans up the code quite a bit and also takes us a step closer to
> changing the return values of trace_seq_printf() and friends to void.
>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Looks good me to me.
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
--
Thanks and Regards
Srikar Dronamraju
next prev parent reply other threads:[~2014-11-14 5:24 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-14 1:12 [RFC][PATCH 00/23 v4] trace-seq/seq-buf/x86/printk: Print all stacks from NMI safely Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 01/23 v4] tracing: Fix trace_seq_bitmask() to start at current position Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 02/23 v4] tracing: Add trace_seq_has_overflowed() and trace_handle_return() Steven Rostedt
2014-11-14 11:25 ` Petr Mladek
2014-11-14 11:58 ` Steven Rostedt
2014-11-14 18:21 ` Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 03/23 v4] blktrace/tracing: Use trace_seq_has_overflowed() helper function Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 04/23 v4] ring-buffer: Remove check of trace_seq_{puts,printf}() return values Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 05/23 v4] tracing: Have branch tracer use trace_handle_return() helper function Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 06/23 v4] tracing: Have function_graph use trace_seq_has_overflowed() Steven Rostedt
2014-11-14 12:41 ` Petr Mladek
2014-11-14 12:52 ` Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 07/23 v4] kprobes/tracing: Use trace_seq_has_overflowed() for overflow checks Steven Rostedt
2014-11-14 5:24 ` Srikar Dronamraju [this message]
2014-11-14 14:51 ` Masami Hiramatsu
2014-11-14 1:12 ` [RFC][PATCH 08/23 v4] tracing: Do not check return values of trace_seq_p*() for mmio tracer Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 09/23 v4] tracing/probes: Do not use return value of trace_seq_printf() Steven Rostedt
2014-11-14 15:30 ` Masami Hiramatsu
2014-11-18 0:30 ` Namhyung Kim
2014-11-14 1:12 ` [RFC][PATCH 10/23 v4] tracing/uprobes: Do not use return values " Steven Rostedt
2014-11-14 5:23 ` Srikar Dronamraju
2014-11-14 15:35 ` Masami Hiramatsu
2014-11-14 15:37 ` Steven Rostedt
2014-11-14 18:14 ` Steven Rostedt
2014-11-18 0:32 ` Namhyung Kim
2014-11-14 1:12 ` [RFC][PATCH 11/23 v4] tracing: Do not use return values of trace_seq_printf() in syscall tracing Steven Rostedt
2014-11-18 0:49 ` Namhyung Kim
2014-11-18 2:44 ` Steven Rostedt
2014-11-18 3:04 ` Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 12/23 v4] tracing: Remove return values of most trace_seq_*() functions Steven Rostedt
2014-11-14 13:17 ` Petr Mladek
2014-11-14 14:53 ` Steven Rostedt
2014-11-14 16:21 ` Steven Rostedt
2014-11-14 17:09 ` Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 13/23 v4] tracing: Create seq_buf layer in trace_seq Steven Rostedt
2014-11-14 16:26 ` Petr Mladek
2014-11-14 17:19 ` Steven Rostedt
2014-11-14 17:23 ` Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 14/23 v4] tracing: Convert seq_buf_path() to be like seq_path() Steven Rostedt
2014-11-14 16:53 ` Petr Mladek
2014-11-14 17:47 ` Steven Rostedt
2014-11-14 1:12 ` [RFC][PATCH 15/23 v4] tracing: Convert seq_buf fields to be like seq_file fields Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 16/23 v4] tracing: Add a seq_buf_clear() helper and clear len and readpos in init Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 17/23 v4] tracing: Have seq_buf use full buffer Steven Rostedt
2014-11-14 17:07 ` Petr Mladek
2014-11-14 17:30 ` Steven Rostedt
2014-11-14 20:56 ` Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 18/23 v4] tracing: Add seq_buf_get_buf() and seq_buf_commit() helper functions Steven Rostedt
2014-11-14 17:18 ` Petr Mladek
2014-11-14 20:31 ` Steven Rostedt
2014-11-14 20:58 ` Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 19/23 v4] seq_buf: Create seq_buf_used() to find out how much was written Steven Rostedt
2014-11-14 17:23 ` Petr Mladek
2014-11-14 17:34 ` Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 20/23 v4] seq-buf: Make seq_buf_bprintf() conditional on CONFIG_BINARY_PRINTF Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 21/23 v4] seq_buf: Move the seq_buf code to lib/ Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 22/23 v4] printk: Add per_cpu printk func to allow printk to be diverted Steven Rostedt
2014-11-14 1:13 ` [RFC][PATCH 23/23 v4] x86/nmi: Perform a safe NMI stack trace on all CPUs Steven Rostedt
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