From: Steven Rostedt <rostedt@goodmis.org>
To: Wen Gong <wgong@codeaurora.org>
Cc: Brian Norris <briannorris@chromium.org>,
linux-wireless <linux-wireless@vger.kernel.org>,
ath10k <ath10k@lists.infradead.org>
Subject: Re: [PATCH] ath10k: change len of trace_ath10k_log_dbg_dump for large buffer size
Date: Wed, 10 Feb 2021 11:53:22 -0500 [thread overview]
Message-ID: <20210210115322.0b65a856@gandalf.local.home> (raw)
In-Reply-To: <20210210114823.1408dd64@gandalf.local.home>
On Wed, 10 Feb 2021 11:48:23 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:
> On Wed, 10 Feb 2021 11:30:26 -0500
> Steven Rostedt <rostedt@goodmis.org> wrote:
>
> > Can you test this patch?
>
> v2:
Bah!
v3:
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index b79bcacdd6f9..90d7ade03499 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2739,7 +2739,7 @@ trace_event_buffer_lock_reserve(struct trace_buffer **current_rb,
(entry = this_cpu_read(trace_buffered_event))) {
/* Try to use the per cpu buffer first */
val = this_cpu_inc_return(trace_buffered_event_cnt);
- if (val == 1) {
+ if ((len < (PAGE_SIZE - sizeof(*entry))) && val == 1) {
trace_event_setup(entry, type, trace_ctx);
entry->array[0] = len;
return entry;
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next prev parent reply other threads:[~2021-02-10 16:53 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-09 2:59 [PATCH] ath10k: change len of trace_ath10k_log_dbg_dump for large buffer size Wen Gong
2021-02-09 7:34 ` Kalle Valo
2021-02-09 19:35 ` Brian Norris
2021-02-09 19:55 ` Steven Rostedt
2021-02-09 21:34 ` Steven Rostedt
2021-02-10 2:01 ` Wen Gong
2021-02-10 16:30 ` Steven Rostedt
2021-02-10 16:48 ` Steven Rostedt
2021-02-10 16:53 ` Steven Rostedt [this message]
2021-03-08 7:22 ` Wen Gong
2021-02-10 2:11 ` Wen Gong
2021-02-10 2:14 ` Brian Norris
2021-02-10 2:24 ` Wen Gong
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