From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9E6F2475CF; Mon, 26 Jan 2026 14:39:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769438348; cv=none; b=QgGke8r8BABunvYo50gyzPTLUYIyYaNrqwY/Ouk/+KsoIjz59LfeSOy8X0XMdrUBhKBzmPiPO8K60r/SFn/eUCxmXzHKvDyH07ddYdNigPKEUk7zpGDRPOS02OvjJARdXFzsxvPQTl10B/X2naUUehTH/0pWRjvIJceCVWsgrBY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769438348; c=relaxed/simple; bh=fjUOlUtti3A0+przetAX49u1G5k51hin5MwBYZEKkiI=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XkEiA8oHBy7Hx1cv3QggxaxAFPVYqOTYebsFVV3ILMmclzxdemg3W512pNjnTr2qIVP5cB4vgPm6sEmoezjCNnw7wORiCkW/1qI91BrXBJ7pjCCCQI7oaI0ANV7GHJ1X2Qhy1t7jGfwvC43WrK4tO6ISDhhpl/prpBMDzYO4u1I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 587F75AE15; Mon, 26 Jan 2026 14:38:59 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf19.hostedemail.com (Postfix) with ESMTPA id 86EE420027; Mon, 26 Jan 2026 14:38:57 +0000 (UTC) Date: Mon, 26 Jan 2026 09:38:59 -0500 From: Steven Rostedt To: sunliming Cc: mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, sunliming Subject: Re: [PATCH] tracing: kprobe-event: Return directly when dyn_event_list is empty Message-ID: <20260126093859.2fef7731@gandalf.local.home> In-Reply-To: <78dbbd83-8de3-2031-6db7-036d0d8c11c5@linux.dev> References: <20260123013641.23066-1-sunliming@linux.dev> <20260124120233.17926a82@robin> <01b1d5a3-8be0-4d9a-45d4-4da7c3edf746@linux.dev> <20260125232139.0e971011@robin> <78dbbd83-8de3-2031-6db7-036d0d8c11c5@linux.dev> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspamout06 X-Rspamd-Queue-Id: 86EE420027 X-Stat-Signature: b7zq5hk9tifdapt3s6xdm5sxxnti69no X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1/SWODZaX9GP3i0ViXfcguCqtYbynyFBvU= X-HE-Tag: 1769438337-382085 X-HE-Meta: U2FsdGVkX19VYHl17GttIfz3nDrb6UxQiqDpIoSb0/Cnedx0rrgvwlWPqdDYatUxE35fjBKxeU7cCwUwj173nVJK0IUaJE1AMVhpFBTOL9hF7hSrSSY3U1APQ5P08jjs+CdRCZewfLP0x5DVT0lJHrBN97oPpfB66DXa97zEwgzhETsIvIwn0K3TbsZr9LwRDSa9PeTHeUiT3VOxrK36FL1YS+FWdWcLyQ0HdS/smP1La+JrMnQet1zR5MIF4ugksvTuW5jd1lt7XLc/1ECbo9qZhCbwYu4gE/O4NRo1uq8pM5+18SNJbct6H0BhepdzM9vw20SpJova0cG2bHhR8aSjRX0wXmNt On Mon, 26 Jan 2026 15:17:28 +0800 sunliming wrote: > Alternatively, could both optimization solutions coexist (as lock > contention may Yes, the two are orthogonal to each other, and can go in on their own merit. -- Steve