From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC65EC433FE for ; Mon, 1 Nov 2021 11:26:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B47D6113D for ; Mon, 1 Nov 2021 11:26:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231437AbhKAL2k (ORCPT ); Mon, 1 Nov 2021 07:28:40 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:26282 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232001AbhKAL2k (ORCPT ); Mon, 1 Nov 2021 07:28:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1635765966; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=KnETWn4ATxLuSMGRTYpAvY2hoOsYqW2nRmiZQxMBcXc=; b=d2erFNKXIA0Tm4+Shucu9Y3RLSRrOUBSJGDEfO6C5xkhjDFRoHLlI/xaoOsuKNoaW50KMb ZRAEb5sM7iSEJv3XkLezOTmkU41By25VuV/hv42cF1uI31yWQpo2KDFmevCC5nisRfKZlx stFraJdAux4Xwg/TAZRC/u3vX+9LTq8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-60-PbsYymxrN6iKvl-3Zjrifg-1; Mon, 01 Nov 2021 07:26:03 -0400 X-MC-Unique: PbsYymxrN6iKvl-3Zjrifg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 46356802682; Mon, 1 Nov 2021 11:26:02 +0000 (UTC) Received: from localhost (ovpn-8-37.pek2.redhat.com [10.72.8.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8389B6091B; Mon, 1 Nov 2021 11:25:55 +0000 (UTC) From: Ming Lei To: Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , live-patching@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Luis Chamberlain , Joe Lawrence , Ming Lei Subject: [PATCH V3 0/3] livepatch: cleanup kpl_patch kobject release Date: Mon, 1 Nov 2021 19:25:45 +0800 Message-Id: <20211101112548.3364086-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Precedence: bulk List-ID: X-Mailing-List: live-patching@vger.kernel.org Hello, The 1st patch moves module_put() to release handler of klp_patch kobject. The 2nd patch changes to free klp_patch and other kobjects without klp_mutex. The 3rd patch switches to synchronous kobject release for klp_patch. V3: - one line fix on check of list_empty() in enabled_store(), 3/3 V2: - remove enabled attribute before deleting this klp_patch kobject, for avoiding deadlock in deleting me Ming Lei (3): livepatch: remove 'struct completion finish' from klp_patch livepatch: free klp_patch object without holding klp_mutex livepatch: free klp_patch object synchronously include/linux/livepatch.h | 2 -- kernel/livepatch/core.c | 67 ++++++++++++++++------------------- kernel/livepatch/core.h | 3 +- kernel/livepatch/transition.c | 23 ++++++++---- kernel/livepatch/transition.h | 2 +- 5 files changed, 50 insertions(+), 47 deletions(-) -- 2.31.1