From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from baidu.com (mx24.baidu.com [111.206.215.185]) (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 1996B249E5; Tue, 23 Sep 2025 04:00:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=111.206.215.185 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758600061; cv=none; b=icg4j/zlO3nlnrH+GrjL/Ysg0YW0sjfR4nY8uknSFuUrLyTfTBN3Nr6ceTHfU4ci+qa7PZjTviNUUH2zvMCbxHc7XPV8BvYyPmcMtRM1y0NFitJ2mXStE0rY7jnce/Izyx3rcy0nngH7Dp65Uz9/JbyKqcLL+cZV2gPsKuqBOM4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758600061; c=relaxed/simple; bh=+sA7JeshJtfQ4g+oGvoDEApvUWPOG6PAyKJcP78c1LU=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=rsAswCG40VhTnUqL7c+kg1ZpTEng/PwhWhDkLptvHWPfIU/R51joJtNKRAk2XtAwjsvmxu6p08JUHEXfbbGd4ECcQ6IBO6Wdpw0rae7cr98umj+p3QhNRfi1xIyGxrv4Rf+1DhZBbk4s90WhmgDEifo4mKN9drr9oGjsXlMjC7Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com; spf=pass smtp.mailfrom=baidu.com; arc=none smtp.client-ip=111.206.215.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baidu.com From: "Li,Rongqing" To: Andrew Morton CC: "corbet@lwn.net" , "lance.yang@linux.dev" , "mhiramat@kernel.org" , "paulmck@kernel.org" , "pawan.kumar.gupta@linux.intel.com" , "mingo@kernel.org" , "dave.hansen@linux.intel.com" , "rostedt@goodmis.org" , "kees@kernel.org" , "arnd@arndb.de" , "feng.tang@linux.alibaba.com" , "pauld@redhat.com" , "joel.granados@kernel.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [????] Re: [PATCH][RFC] hung_task: Support to panic when the maximum number of hung task warnings is reached Thread-Topic: [????] Re: [PATCH][RFC] hung_task: Support to panic when the maximum number of hung task warnings is reached Thread-Index: AQHcLDttVizJ2u6zwEeKMgiwnSexq7SfmowAgACJIFA= Date: Tue, 23 Sep 2025 04:00:03 +0000 Message-ID: References: <20250923033740.2696-1-lirongqing@baidu.com> <20250922204554.55dd890090b0f56ad10a61f5@linux-foundation.org> In-Reply-To: <20250922204554.55dd890090b0f56ad10a61f5@linux-foundation.org> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FEAS-Client-IP: 172.31.3.11 X-FE-Policy-ID: 52:10:53:SYSTEM DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogQW5kcmV3IE1vcnRvbiA8 YWtwbUBsaW51eC1mb3VuZGF0aW9uLm9yZz4NCj4gU2VudDogMjAyNcTqOdTCMjPI1SAxMTo0Ng0K PiBUbzogTGksUm9uZ3FpbmcgPGxpcm9uZ3FpbmdAYmFpZHUuY29tPg0KPiBDYzogY29yYmV0QGx3 bi5uZXQ7IGxhbmNlLnlhbmdAbGludXguZGV2OyBtaGlyYW1hdEBrZXJuZWwub3JnOw0KPiBwYXVs bWNrQGtlcm5lbC5vcmc7IHBhd2FuLmt1bWFyLmd1cHRhQGxpbnV4LmludGVsLmNvbTsgbWluZ29A a2VybmVsLm9yZzsNCj4gZGF2ZS5oYW5zZW5AbGludXguaW50ZWwuY29tOyByb3N0ZWR0QGdvb2Rt aXMub3JnOyBrZWVzQGtlcm5lbC5vcmc7DQo+IGFybmRAYXJuZGIuZGU7IGZlbmcudGFuZ0BsaW51 eC5hbGliYWJhLmNvbTsgcGF1bGRAcmVkaGF0LmNvbTsNCj4gam9lbC5ncmFuYWRvc0BrZXJuZWwu b3JnOyBsaW51eC1kb2NAdmdlci5rZXJuZWwub3JnOw0KPiBsaW51eC1rZXJuZWxAdmdlci5rZXJu ZWwub3JnDQo+IFN1YmplY3Q6IFs/Pz8/XSBSZTogW1BBVENIXVtSRkNdIGh1bmdfdGFzazogU3Vw cG9ydCB0byBwYW5pYyB3aGVuIHRoZQ0KPiBtYXhpbXVtIG51bWJlciBvZiBodW5nIHRhc2sgd2Fy bmluZ3MgaXMgcmVhY2hlZA0KPiANCj4gT24gVHVlLCAyMyBTZXAgMjAyNSAxMTozNzo0MCArMDgw MCBsaXJvbmdxaW5nIDxsaXJvbmdxaW5nQGJhaWR1LmNvbT4gd3JvdGU6DQo+IA0KPiA+IEN1cnJl bnRseSB0aGUgaHVuZyB0YXNrIGRldGVjdG9yIGNhbiBlaXRoZXIgcGFuaWMgaW1tZWRpYXRlbHkg b3INCj4gPiBjb250aW51ZSBvcGVyYXRpb24gd2hlbiBodW5nIHRhc2tzIGFyZSBkZXRlY3RlZC4g SG93ZXZlciwgdGhlcmUgYXJlDQo+ID4gc2NlbmFyaW9zIHdoZXJlIHdlIHdhbnQgYSBtb3JlIGJh bGFuY2VkIGFwcHJvYWNoOg0KPiA+DQo+ID4gLSBXZSBkb24ndCB3YW50IHRoZSBzeXN0ZW0gdG8g cGFuaWMgaW1tZWRpYXRlbHkgd2hlbiBhIGZldyBodW5nIHRhc2tzDQo+ID4gICBhcmUgZGV0ZWN0 ZWQsIGFzIHRoZSBzeXN0ZW0gbWF5IGJlIGFibGUgdG8gcmVjb3Zlcg0KPiA+IC0gQW5kIHdlIGFs c28gZG9uJ3Qgd2FudCB0aGUgc3lzdGVtIHRvIHN0YWxsIGluZGVmaW5pdGVseSB3aXRoIG11bHRp cGxlDQo+ID4gICBodW5nIHRhc2tzDQo+ID4NCj4gPiBUaGlzIGNvbW1pdCBpbnRyb2R1Y2VzIGEg bmV3IG1vZGUgKHZhbHVlIDIpIGZvciB0aGUgaHVuZyB0YXNrIHBhbmljIGJlaGF2aW9yLg0KPiA+ IFdoZW4gc2V0IHRvIDIsIHRoZSBzeXN0ZW0gd2lsbCBwYW5pYyBvbmx5IGFmdGVyIHRoZSBtYXhp bXVtIG51bWJlciBvZg0KPiA+IGh1bmcgdGFzayB3YXJuaW5ncyAoaHVuZ190YXNrX3dhcm5pbmdz KSBoYXMgYmVlbiByZWFjaGVkLg0KPiA+DQo+ID4gVGhpcyBwcm92aWRlcyBhIG1pZGRsZSBncm91 bmQgYmV0d2VlbiBpbW1lZGlhdGUgcGFuaWMgYW5kIHBvdGVudGlhbGx5DQo+ID4gaW5maW5pdGUg c3RhbGwsIGFsbG93aW5nIGZvciBhdXRvbWF0ZWQgdm1jb3JlIGdlbmVyYXRpb24gYWZ0ZXIgYQ0K PiA+IHJlYXNvbmFibGUNCj4gDQo+IEkgYXNzdW1lIHRoZSBzYW1lIGFyZ3VtZW50IGFwcGxpZXMg dG8gdGhlIE5NSSB3YXRjaGRvZywgdG8gdGhlIHNvZnRsb2NrdXANCj4gZGV0ZWN0b3IgYW5kIHRv IHRoZSBSQ1Ugc3RhbGwgZGV0ZWN0b3I/DQoNClRydWUsIGVzcGVjaWFsIFJDVSBzdGFsbCBkZXRl Y3Rvcg0KDQo+IA0KPiBBIGdlbmVyYWwgZnJhbWV3b3JrIHRvIGhhbmRsZSBhbGwgb2YgdGhlc2Ug bWlnaHQgYmUgYmV0dGVyLiAgQnV0IHdoeSBkbyBpdCBpbg0KPiBrZXJuZWwgYXQgYWxsPyAgV2hh dCBhYm91dCBhIHVzZXJzcGFjZSBkZXRlY3RvciB3aGljaCBwYXJzZXMga2VybmVsIGxvZ3MgKG9y DQo+IG5ldyBwcm9jZnMgY291bnRlcnMpIGFuZCBtYWtlcyBzdWNoIGRlY2lzaW9ucz8NCg0KDQpC eSBsZXZlcmFnaW5nIGV4aXN0aW5nIGtlcm5lbCBtZWNoYW5pc21zLCBpbXBsZW1lbnRhdGlvbiBp biBrZXJuZWwgaXMgdmVyeSBzaW1wbGUgYW5kIHJlbGlhYmxlLCBJIHRoaW5rDQoNClRoYW5rcw0K DQotTGkNCg0K