From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792438427; b=VnS2rb+c+cZ8w+LLaCKJYtu6erMq4fHPSyOoN26gpYTPVllEPEpSiqZvbZaeYMdI8KR4 juQFsObjx1wky/lfazRbamh9ZEPD62OIG+pXYcsu6Hd6mzpAEDTBkOEuqhnul2EciDQcL 3g9u3hSM1nS21vkuGv3C4EEMwJQFTkwrmub8zv5ReXXwpODGUP5zQAloVV+sT2RBCj50C Z8Y1D98MRPh8idgkUbmSVCm/gSV40pDLJxVKJqp5M5PhBWFHvUWv9SKX8hQZpO8lJUWpm juwTW4ZVTIYP+Q2WM2vk3CBf9oY5+KworSHQYfM8KU5RuKgHB7bCHN2rMY8J6kIsa7Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792438427; h=Received:DKIM-Signature:Received:Message-ID:User-Agent:Date:From:To: Cc:Subject:References:MIME-Version:Content-Type; bh=gAtViOdv37PLOUKX3chl6um0ADk8ZF0SeGet8qfmBLo=; b=kkW/8CiHnbzWf89tagrf/IAcqeEHSreXJUFkisMklogKt8sqGmNcxXSwWxnT18/+RcKm PohQ+a7MikyQPrQ674OdYF9Y9tvuJTyFpujxOnZd3xr4tjPAdj2bWII1jgLsR9d0dQGCb 730uIwfBcoPIBwX9sMwpQXyepuw/yjhmiKEm7aIk2IB2t7gKviNV4lSgTnBDaKOaPIs22 Fvc/csMpJNWMnhLgGJDELPhQF2ksaTa6QSQ3ROnwPBZJXEWSzzuQidxYpKorXdRFHKy0r 0jTrGd9UQ0/WRLA8vX6eMKDhVtwgabXNT3QyYtRJ5j+6zXI9fapnNoXXf7i8Xbm/S4A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=A2LeYLmc; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC92C606A320 for ; Mon, 19 Oct 2026 19:33:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=A2LeYLmc Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8916A1F000C9; Mon, 19 Oct 2026 19:33:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792438426; bh=gAtViOdv37PLOUKX3chl6um0ADk8ZF0SeGet8qfmBLo=; h=Date:From:To:Cc:Subject:References; b=A2LeYLmcxxfKS1X5iysPLgVbs57SzRpl/s0D5O5dlnzwjZYO5MKYZsFUsZFlIVSKy hGqsH4ir5d4yNywiP+KPx4wp4CZKCpHCMgZedvaahbA9BjWrQi1B9w0ksAuX+wuMia 8voJDfETEI++7PSOTxyUwEDsccio8JB9nnQX4kLA+JbeATXJwXyLq2H2cacMvroWo7 QKgzSZcDI/ntNjybcV68+hli6T+nRIcM1W+GTxgZeVxbhI1HNuKo4I6xBxaW1RxaFX QYm/ytXfA64aGUz5C8h6azvH8VyMIG1CeCvwImf6zeVVzUnLkDJBFs6zq09uFrUWJe Tf2tze9S2k8vg== Received: from rostedt by gandalf with local (Exim 4.100.1) (envelope-from ) id 1xIt7B-00000001egE-3pJQ; Mon, 19 Oct 2026 15:33:45 -0400 Message-ID: <20261019193345.715879178@kernel.org> User-Agent: quilt/0.69 Date: Mon, 19 Oct 2026 15:33:34 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Vincent Donnefort Subject: [for-next][PATCH 4/5] ring-buffer: Remove unnecessary cpumask_test_cpu References: <20261019193330.365764549@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 From: Vincent Donnefort 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 Signed-off-by: Steven Rostedt --- kernel/trace/ring_buffer.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 15e3b9938e0f..0068bd185945 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -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); -- 2.53.0