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-rw-r--r--kernel/trace/ring_buffer.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 0b88df849a5..c8ce6bde7fa 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1829,7 +1829,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
1829static noinline struct ring_buffer_event * 1829static noinline struct ring_buffer_event *
1830rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, 1830rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
1831 unsigned long length, unsigned long tail, 1831 unsigned long length, unsigned long tail,
1832 struct buffer_page *tail_page, u64 *ts) 1832 struct buffer_page *tail_page, u64 ts)
1833{ 1833{
1834 struct buffer_page *commit_page = cpu_buffer->commit_page; 1834 struct buffer_page *commit_page = cpu_buffer->commit_page;
1835 struct ring_buffer *buffer = cpu_buffer->buffer; 1835 struct ring_buffer *buffer = cpu_buffer->buffer;
@@ -1912,8 +1912,8 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
1912 * Nested commits always have zero deltas, so 1912 * Nested commits always have zero deltas, so
1913 * just reread the time stamp 1913 * just reread the time stamp
1914 */ 1914 */
1915 *ts = rb_time_stamp(buffer); 1915 ts = rb_time_stamp(buffer);
1916 next_page->page->time_stamp = *ts; 1916 next_page->page->time_stamp = ts;
1917 } 1917 }
1918 1918
1919 out_again: 1919 out_again:
@@ -1932,7 +1932,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
1932 1932
1933static struct ring_buffer_event * 1933static struct ring_buffer_event *
1934__rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, 1934__rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
1935 unsigned type, unsigned long length, u64 *ts) 1935 unsigned type, unsigned long length, u64 ts)
1936{ 1936{
1937 struct buffer_page *tail_page; 1937 struct buffer_page *tail_page;
1938 struct ring_buffer_event *event; 1938 struct ring_buffer_event *event;
@@ -1965,7 +1965,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
1965 * its timestamp. 1965 * its timestamp.
1966 */ 1966 */
1967 if (!tail) 1967 if (!tail)
1968 tail_page->page->time_stamp = *ts; 1968 tail_page->page->time_stamp = ts;
1969 1969
1970 return event; 1970 return event;
1971} 1971}
@@ -2008,7 +2008,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
2008 2008
2009static int 2009static int
2010rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer, 2010rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
2011 u64 *ts, u64 *delta) 2011 u64 ts, u64 *delta)
2012{ 2012{
2013 struct ring_buffer_event *event; 2013 struct ring_buffer_event *event;
2014 int ret; 2014 int ret;
@@ -2016,7 +2016,7 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
2016 WARN_ONCE(*delta > (1ULL << 59), 2016 WARN_ONCE(*delta > (1ULL << 59),
2017 KERN_WARNING "Delta way too big! %llu ts=%llu write stamp = %llu\n", 2017 KERN_WARNING "Delta way too big! %llu ts=%llu write stamp = %llu\n",
2018 (unsigned long long)*delta, 2018 (unsigned long long)*delta,
2019 (unsigned long long)*ts, 2019 (unsigned long long)ts,
2020 (unsigned long long)cpu_buffer->write_stamp); 2020 (unsigned long long)cpu_buffer->write_stamp);
2021 2021
2022 /* 2022 /*
@@ -2051,7 +2051,7 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
2051 event->array[0] = 0; 2051 event->array[0] = 0;
2052 } 2052 }
2053 } 2053 }
2054 cpu_buffer->write_stamp = *ts; 2054 cpu_buffer->write_stamp = ts;
2055 /* let the caller know this was the commit */ 2055 /* let the caller know this was the commit */
2056 ret = 1; 2056 ret = 1;
2057 } else { 2057 } else {
@@ -2175,7 +2175,7 @@ rb_reserve_next_event(struct ring_buffer *buffer,
2175 delta = diff; 2175 delta = diff;
2176 if (unlikely(test_time_stamp(delta))) { 2176 if (unlikely(test_time_stamp(delta))) {
2177 2177
2178 commit = rb_add_time_stamp(cpu_buffer, &ts, &delta); 2178 commit = rb_add_time_stamp(cpu_buffer, ts, &delta);
2179 if (commit == -EBUSY) 2179 if (commit == -EBUSY)
2180 goto out_fail; 2180 goto out_fail;
2181 2181
@@ -2187,7 +2187,7 @@ rb_reserve_next_event(struct ring_buffer *buffer,
2187 } 2187 }
2188 2188
2189 get_event: 2189 get_event:
2190 event = __rb_reserve_next(cpu_buffer, 0, length, &ts); 2190 event = __rb_reserve_next(cpu_buffer, 0, length, ts);
2191 if (unlikely(PTR_ERR(event) == -EAGAIN)) 2191 if (unlikely(PTR_ERR(event) == -EAGAIN))
2192 goto again; 2192 goto again;
2193 2193