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ring-buffer: Remove unnecessary cpumask_test_cpu

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for_each_buffer_cpu() already iterates over buffer->cpumask. Remove the
unnecessary cpumask_test_cpu() found in ring_buffer_subbuf_order_set().

Link: https://patch.msgid.link/20260916152813.105082-3-vdonnefort@google.com
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Vincent Donnefort 2026-09-16 16:28:13 +01:00 committed by Steven Rostedt
parent 9fd830120f
commit 9dce3e2d1f
1 changed files with 0 additions and 7 deletions
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7
kernel/trace/ring_buffer.c
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@ -7486,10 +7486,6 @@ int ring_buffer_subbuf_order_set(struct trace_buffer *buffer, int order)
/* Make sure all new buffers are allocated, before deleting the old ones */
for_each_buffer_cpu(buffer, cpu) {
if (!cpumask_test_cpu(cpu, buffer->cpumask))
continue;
cpu_buffer = buffer->buffers[cpu];
/* Update the number of pages to match the new size */
@ -7516,9 +7512,6 @@ int ring_buffer_subbuf_order_set(struct trace_buffer *buffer, int order)
struct list_head old_pages;
unsigned long flags;
if (!cpumask_test_cpu(cpu, buffer->cpumask))
continue;
cpu_buffer = buffer->buffers[cpu];
raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags);