[PATCH] ring-buffer: mark racy accesses on work->wait_index

Mark data races to work->wait_index as benign using READ_ONCE and WRITE_ONCE. These accesses are expected to be racy. Signed-off-by: linke li --- kernel/trace/ring_buffer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/tr

[PATCH v2] ring-buffer: use READ_ONCE() to read cpu_buffer->commit_page in concurrent environment

-by: linke li --- v1 -> v2: only add READ_ONCE() to read cpu_buffer->commit_page, make change log clear kernel/trace/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 0699027b4f4c..c7203a436d3c 100

[PATCH] ring-buffer: use READ_ONCE() to read cpu_buffer->commit_page in concurrent environment

") This patch find two read of same variable while one is protected, another is not. And READ_ONCE() is added to protect. Signed-off-by: linke li --- kernel/trace/ring_buffer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kerne