Commit c6358bac authored by Qiujun Huang's avatar Qiujun Huang Committed by Steven Rostedt (VMware)
Browse files

ring-buffer: Drop unneeded check in ring_buffer_resize() 

Remove the cpumask check, as we has done it at the beginning of
the function.
Also fix a typo. s/also the on the/also on the/

Link: https://lkml.kernel.org/r/20201224144634.3210-1-hqjagain@gmail.com



Signed-off-by: default avatarQiujun Huang <hqjagain@gmail.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 6689bed3

kernel/trace/ring_buffer.c

+1 −5
Original line number Diff line number Diff line
@@ -2059,10 +2059,6 @@ int ring_buffer_resize(struct trace_buffer *buffer, unsigned long size, 


		put_online_cpus();

	} else {

		/* Make sure this CPU has been initialized */

		if (!cpumask_test_cpu(cpu_id, buffer->cpumask))

			goto out;



		cpu_buffer = buffer->buffers[cpu_id];



		if (nr_pages == cpu_buffer->nr_pages)
@@ -2580,7 +2576,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, 
			 * have filled up the buffer with events

			 * from interrupts and such, and wrapped.

			 *

			 * Note, if the tail page is also the on the

			 * Note, if the tail page is also on the

			 * reader_page, we let it move out.

			 */

			if (unlikely((cpu_buffer->commit_page !=