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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO6PR11MB5602.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5876ace3-7f52-41d1-0643-08da5582c2c3 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Jun 2022 01:42:12.7704 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: yaD0cwF//+ntSHBXuCogmEpFDfra/HyM6K1ir9jRIhJsU3LfZpMHZ6O58Px1mHe86uttADKbmIT68JSK48nPJw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1519 X-OriginatorOrg: intel.com X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Hi David, Harman Please review this patch at your convenience, it's been about a month s= ince the v1 version. Thanks! Best regards Zhichao > -----Original Message----- > From: Zeng, ZhichaoX =20 > Sent: Wednesday, June 15, 2022 2:02 PM > To: dev@dpdk.org > Cc: stable@dpdk.org; Yang, Qiming ; david.marchand= @redhat.com; stephen@networkplumber.org; mb@smartsharesystems.com; Zeng, Zh= ichaoX ; Richardson, Bruce > ; Harman Kalra > Subject: [PATCH v4] lib/eal: fix segfaults due to thread exit order > > From: Zhichao Zeng > > The eal-intr-thread is not closed before memory cleanup in the process of= exiting. There is a small probability that when the eal-intr-thread is abo= ut to use some pointers, the memory were just cleaned, which cause the > se= gment fault error caught by ASan. > > This patch close the eal-intr-thread before memory cleanup when exiting t= o avoid segment fault. And add some atomic operations to avoid executing rt= e_eal_cleanup in the child process spawned by fork() in some test > cases, = e.g. debug_autotest of dpdk-test. > > Cc: stable@dpdk.org > > --- > v2: > add the same API for FreeBSD > --- > v3: > fix rte_eal_cleanup crash in debug_autotest > --- > v4: > shorten the prompt message and optimize the commit log > > Suggested-by: David Marchand > Signed-off-by: Zhichao Zeng