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Message-ID: <5093EE75.9040006@gmail.com>
Date: Sat, 03 Nov 2012 00:01:57 +0800
From: Shan Wei <shanwei88@...il.com>
To: rostedt@...dmis.org, fweisbec@...il.com,
Kernel-Maillist <linux-kernel@...r.kernel.org>, mingo@...hat.com,
cl@...ux-foundation.org, Shan Wei <shanwei88@...il.com>
Subject: [PATCH v2 7/9] trace: use this_cpu_ptr per-cpu helper
From: Shan Wei <davidshan@...cent.com>
Signed-off-by: Shan Wei <davidshan@...cent.com>
---
kernel/trace/blktrace.c | 2 +-
kernel/trace/trace.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index c0bd030..71259e2 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -147,7 +147,7 @@ void __trace_note_message(struct blk_trace *bt, const char *fmt, ...)
return;
local_irq_save(flags);
- buf = per_cpu_ptr(bt->msg_data, smp_processor_id());
+ buf = this_cpu_ptr(bt->msg_data);
va_start(args, fmt);
n = vscnprintf(buf, BLK_TN_MAX_MSG, fmt, args);
va_end(args);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 31e4f55..81ae35b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1513,7 +1513,7 @@ static char *get_trace_buf(void)
if (!percpu_buffer)
return NULL;
- buffer = per_cpu_ptr(percpu_buffer, smp_processor_id());
+ buffer = this_cpu_ptr(percpu_buffer);
return buffer->buffer;
}
-- 1.7.1
--
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