Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754535AbbG2W1k (ORCPT ); Wed, 29 Jul 2015 18:27:40 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:34580 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754137AbbG2W1i (ORCPT ); Wed, 29 Jul 2015 18:27:38 -0400 Date: Wed, 29 Jul 2015 15:27:37 -0700 (PDT) Message-Id: <20150729.152737.853332463848886188.davem@davemloft.net> To: decui@microsoft.com Cc: gregkh@linuxfoundation.org, stephen@networkplumber.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, driverdev-devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com, kys@microsoft.com, pebolle@tiscali.nl, stefanha@redhat.com, vkuznets@redhat.com, dan.carpenter@oracle.com Subject: Re: [PATCH V4 6/7] hvsock: introduce Hyper-V VM Sockets feature From: David Miller In-Reply-To: <1438086923-19450-1-git-send-email-decui@microsoft.com> References: <1438086923-19450-1-git-send-email-decui@microsoft.com> X-Mailer: Mew version 6.6 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 29 Jul 2015 15:27:38 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1334 Lines: 42 From: Dexuan Cui Date: Tue, 28 Jul 2015 05:35:23 -0700 > +/* hvsock_release() can be invoked in 2 paths: > + * 1. on process termination: > + * hvsock_sk_destruct+0x1a/0x20 > + * __sk_free+0x1d/0x130 > + * sk_free+0x19/0x20 > + * hvsock_release+0x138/0x160 > + * sock_release+0x1f/0x90 > + * sock_close+0x12/0x20 > + * __fput+0xdf/0x1f0 > + * ____fput+0xe/0x10 > + * task_work_run+0xd4/0xf0 > + * do_exit+0x334/0xb90 > + * ? __do_page_fault+0x1e1/0x490 > + * ? lockdep_sys_exit_thunk+0x35/0x67 > + * do_group_exit+0x54/0xe0 > + * SyS_exit_group+0x14/0x20 > + * system_call_fastpath+0x16/0x1b > + * > + * 2. when accept() returns -ENITR: > + * hvsock_release+0x151/0x160 > + * sock_release+0x1f/0x90 > + * sock_close+0x12/0x20 > + * __fput+0xdf/0x1f0 > + * ____fput+0xe/0x10 > + * task_work_run+0xb7/0xf0 > + * get_signal+0x750/0x770 > + * do_signal+0x28/0xbb0 > + * ? put_unused_fd+0x52/0x60 > + * ? SYSC_accept4+0x1ca/0x220 > + * do_notify_resume+0x4f/0x90 > + * int_signal+0x12/0x17 > + */ It is a bit much to put full stack backtraces into a comment like this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/