From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) (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 2BF5C2D9EE4; Sat, 8 Aug 2026 15:00:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786201220; cv=none; b=eaP+ktYnryVN/lJPGhXP5q05Vz0BK0tH2wHHqCx0Hw0iTEYAhWZSB1t5Y6cyWBAWEvCVLr0rjjr0WeCNU6mA1iZLfaiNoV9Cq5O6bXxgfXmA/2Z6ZxjPOwQL/rUUGpplCciOqPAkWKah89tzv2t4DbjbH890a/0ec+fnnOMs2V8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786201220; c=relaxed/simple; bh=UWeuQlsMm9LV6rdhaKgB51e9eSQ9gquNBCvrDnHE3zk=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=tS+UiHe3r0BYpix29BXofRsKbDfiL1RsRn0M+P/FjDICnZfBV9zB/LF0dec4hHx0E8OzksfL1ARJlWSt7Z0dpYWtR7C184yLrP16wNLgpNO2r9W14IEQPWv8V34L7fxmZig7aHb8ZSFdsU3ucliEFIFlK2F6uteRgBpqUkp6Rug= 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=216.40.44.11 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 omf02.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 81E6E1203F8; Sat, 8 Aug 2026 15:00:17 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf02.hostedemail.com (Postfix) with ESMTPA id 99BFD80012; Sat, 8 Aug 2026 15:00:15 +0000 (UTC) Date: Sat, 8 Aug 2026 11:00:14 -0400 From: Steven Rostedt To: Tengda Wu Cc: Masami Hiramatsu , Mathieu Desnoyers , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] tracing/snapshot: Use work_on_cpu to avoid -EBUSY during snapshot swap Message-ID: <20260808110014.03c04ba3@robin> In-Reply-To: <20260808105855.09f8d794@robin> References: <20260803005640.2445666-1-wutengda@huaweicloud.com> <20260803005640.2445666-3-wutengda@huaweicloud.com> <20260808105855.09f8d794@robin> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: linux-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-Queue-Id: 99BFD80012 X-Stat-Signature: xx9n55hun3fexafgcxqn1n4pdwdcbd4j X-Rspamd-Server: rspamout03 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1/KFSHFQ1EPMazw/8EVvepxbHO/iFLsLIY= X-HE-Tag: 1786201215-643388 X-HE-Meta: U2FsdGVkX1/Wh2qpMfeIEMqWkBLfPZ7mgjDK4EgXOdyEkr5hJnGE4tP+UYYl1J3hxnQfbC5TaHYCb+nQmWpYnHqqAiYoWonn9SNUkPbaKilUSumxe1yBAunQcSd+9NlozNCzC1GrHajil6AxL3rr0FbqBqi6WXYNOksP32VbMDSC0IP9oJRRhVxd1go9VOuuc3jaOtes7ja5MbfISzh2tSgNbw3i6ol65ycsUxyJki/YGc1e9MOAf4h3Zc2Q/tp/anc0gY/P0V0fG8rowQiYS1IuO7MqnZgP25g14gKvX4/qzYkJJWw8aTcbJYq0x95CcNOrS8le/7SgpU6GCX7pxsy2uMcDzzqw6AQ99IALcDIo/haJn8vECQEYZ0prvARmgZSqnmHrAxN3w8uf8Jsd44w9WOdhKOLGzapkUXbw7fi18jxiVsuRb8AwKAkN4jo2Jh2plTIcJr/9rpiI3wR7nA== On Sat, 8 Aug 2026 10:58:55 -0400 Steven Rostedt wrote: > Sashiko brings up a good point. This will break the recording of what > task is being interrupted. > > https://sashiko.dev/#/patchset/20260803005640.2445666-2-wutengda%40huaweicloud.com I'll apply your fist patch, so you can send new revisions of this patch as a stand alone. But still start at v3. -- Steve