From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C309E44062A; Thu, 20 Aug 2026 17:51:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787248267; cv=none; b=f6HMwLoRQNRKj+2lHd6yy0x7bdrsszP+Bu+RfHOxUvA6X54LQQ8H7w6BxtilLvVTqaIC4zXKpHL1AwxNJ0R7ELCdhZX+OVqo1IbC34/EGSWuuFJaFxqVR7PM6ekuH+cP1KmEWE5ExG23YTm11mQnoPmD7y4WjrLPXF8qGiSoPtw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787248267; c=relaxed/simple; bh=qnlnufovsBY+yDVzhZqorOA7PG893VZEP6WsIm0zySs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=E3ispa3thDeR+FElWJVm+loah0ne6c1rQg6nkZQR53NhCN6y0E2AkzkI272r3leU45LSj2cqZCScKnEp6M6NcVEoTBshEhfLe3r+3XQ7U0DEk/1gqu9U+vx5fxqWVI8BEHg5h0eXRxlaY9xh1V8ITNkzUjhAfOWNJKZZ+xrpVD8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=2axoYtme; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="2axoYtme" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F4CF1F000E9; Thu, 20 Aug 2026 17:51:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787248266; bh=weLkf7PuabhZPbejjaA0qV8sFedTSWTUy9N3nAyk9RI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=2axoYtmeKeYFdxKv1EpUVWDFFgRUehHHsLLpD2iSniFW99/EOdKEmevcFOInMeKno BsbvnGKXS/RPCFeTI/qyuAEF2EpkQBAFmO32RdE4MWZHRmI1ejrAqfpY4G2bsnii5Q aYaBvDFOw1Hf6wLsq7bJ45GQ6fzTIPorIDqZgm3A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, "Steven Rostedt (VMware)" , Daniel Bristot de Oliveira , "Paul E. McKenney" , "Uladzislau Rezki (Sony)" , "Joel Fernandes (Google)" , Sasha Levin Subject: [PATCH 6.1 168/303] tracing: Rename kvfree_rcu() to kvfree_rcu_mightsleep() Date: Thu, 20 Aug 2026 16:55:04 +0200 Message-ID: <20260820145258.354258098@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260820145253.200766705@linuxfoundation.org> References: <20260820145253.200766705@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: "Uladzislau Rezki (Sony)" [ Upstream commit cae16f2c2e11c60c888715f4d98c12740683d6a2 ] The kvfree_rcu() macro's single-argument form is deprecated. Therefore switch to the new kvfree_rcu_mightsleep() variant. The goal is to avoid accidental use of the single-argument forms, which can introduce functionality bugs in atomic contexts and latency bugs in non-atomic contexts. Cc: Steven Rostedt (VMware) Acked-by: Daniel Bristot de Oliveira Acked-by: Paul E. McKenney Signed-off-by: Uladzislau Rezki (Sony) Signed-off-by: Paul E. McKenney Signed-off-by: Joel Fernandes (Google) Stable-dep-of: fe58f457ad8d ("tracing/osnoise: Call synchronize_rcu() when unregistering") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- kernel/trace/trace_osnoise.c | 2 +- kernel/trace/trace_probe.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -137,7 +137,7 @@ static void osnoise_unregister_instance( if (!found) return; - kvfree_rcu(inst); + kvfree_rcu_mightsleep(inst); } /* --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -1179,7 +1179,7 @@ int trace_probe_remove_file(struct trace return -ENOENT; list_del_rcu(&link->list); - kvfree_rcu(link); + kvfree_rcu_mightsleep(link); if (list_empty(&tp->event->files)) trace_probe_clear_flag(tp, TP_FLAG_TRACE);