From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from baidu.com (mx22.baidu.com [220.181.50.185]) (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 61350254AE4 for ; Tue, 8 Jul 2025 11:14:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.181.50.185 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751973272; cv=none; b=mUIAhm2kZc3QwwsCy11bgy/7NeOy/shhEY0a9Xk5FS0LB+K7gI4G27owVzdSAhmC58n8nNlPAVOOCrxxmIiNykYI7k2/fS88Kg2UTx2/MZ3DwWi4cXVVu+SKVQdklM2XL6/tkOVSLL5wnxhJ1//Un78vlBYtnJNSPyUiyO4aqak= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751973272; c=relaxed/simple; bh=lXiNGqFwdpPJC1umL5WjJ0PDhMeQPylD/4ZTTvck5CE=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=Vut21F7xbN4+HRIe1ZRHUd3tyvNaxtpsFmjUcWPtVxlikbiKte3g0MQtNCoDy7A0z/9ub9afuffGOFdXrjrd3Qg9+GV8VLEdwP1pGJRFaVXu1TDeO1KZFCj755L8qLan/DpasVRyfJnt+a1y0hhf2HTbzmTmcQroSlWnBzEXPFc= 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=220.181.50.185 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: David Laight , Steven Rostedt CC: Oleg Nesterov , Peter Zijlstra , "linux-kernel@vger.kernel.org" , "vschneid@redhat.com" , "mgorman@suse.de" , "bsegall@google.com" , "dietmar.eggemann@arm.com" , "vincent.guittot@linaro.org" , "juri.lelli@redhat.com" , "mingo@redhat.com" Subject: =?gb2312?B?tPC4tDogWz8/Pz9dIFJlOiBbPz8/P10gUmU6IFs/Pz8/XSBSZTogZGl2aWRl?= =?gb2312?Q?_error_in_x86_and_cputime?= Thread-Topic: [????] Re: [????] Re: [????] Re: divide error in x86 and cputime Thread-Index: AQHb75zFK/FJTpEU3EWj+reAAU9eAbQm2c6AgACoyYCAAI7+EA== Date: Tue, 8 Jul 2025 11:12:02 +0000 Message-ID: <2ebb70da82a047bfbbbdfae4e0e30e48@baidu.com> References: <78a0d7bb20504c0884d474868eccd858@baidu.com> <20250707220937.GA15787@redhat.com> <20250707223038.GB15787@redhat.com> <2ef88def90634827bac1874d90e0e329@baidu.com> <20250707195318.0c7f401d@gandalf.local.home> <92674f89641f466b9ebbdf7681614ed3@baidu.com> <20250707203057.1b2af73d@gandalf.local.home> <20250708113503.147336d0@pumpkin> In-Reply-To: <20250708113503.147336d0@pumpkin> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FEAS-Client-IP: 172.31.50.42 X-FE-Policy-ID: 52:10:53:SYSTEM PiA+IE9uIFR1ZSwgOCBKdWwgMjAyNSAwMDoxMDo1NCArMDAwMA0KPiA+ICJMaSxSb25ncWluZyIg PGxpcm9uZ3FpbmdAYmFpZHUuY29tPiB3cm90ZToNCj4gPg0KPiA+ID4gPiAgICAgICAgIHN0aW1l ID0gbXVsX3U2NF91NjRfZGl2X3U2NChzdGltZSwgcnRpbWUsIHN0aW1lICsgdXRpbWUpOw0KPiA+ ID4gPiArICAgICAgIC8qDQo+ID4gPiA+ICsgICAgICAgICogQmVjYXVzZSBtdWxfdTY0X3U2NF9k aXZfdTY0KCkgY2FuIGFwcHJveGltYXRlIG9uIHNvbWUNCj4gPiA+ID4gKyAgICAgICAgKiBhY2hp dGVjdHVyZXM7IGVuZm9yY2UgdGhlIGNvbnN0cmFpbnQgdGhhdDogYSpiLyhiK2MpIDw9IGEuDQo+ ID4gPiA+ICsgICAgICAgICovDQo+ID4gPiA+ICsgICAgICAgaWYgKHVubGlrZWx5KHN0aW1lID4g cnRpbWUpKQ0KPiA+ID4gPiArICAgICAgICAgICAgICAgc3RpbWUgPSBydGltZTsNCj4gPiA+DQo+ ID4gPg0KPiA+ID4gTXkgNS4xMCBoYXMgbm90IHRoaXMgcGF0Y2ggIiBzY2hlZC9jcHV0aW1lOiBG aXgNCj4gPiA+IG11bF91NjRfdTY0X2Rpdl91NjQoKSBwcmVjaXNpb24gZm9yIGNwdXRpbWUgIiwg YnV0IEkgYW0gc3VyZSB0aGlzDQo+ID4gPiBwYXRjaCBjYW4gbm90IGZpeCB0aGlzIG92ZXJmbG93 IGlzc3VlLCBTaW5jZSBkaXZpc2lvbiBlcnJvciBoYXBwZW5lZA0KPiA+ID4gaW4gbXVsX3U2NF91 NjRfZGl2X3U2NCgpDQo+ID4NCj4gPiBIYXZlIHlvdSB0cmllZCBpdD8gT3IgYXJlIHlvdSBqdXN0 IG1ha2luZyBhbiBhc3N1bXB0aW9uPw0KPiA+DQo+ID4gSG93IGNhbiB5b3UgYmUgc28gc3VyZT8g RGlkIHlvdSBldmVuICpsb29rKiBhdCB0aGUgY29tbWl0Pw0KPiANCj4gSXQgY2FuJ3QgYmUgcmVs ZXZhbnQuDQo+IFRoYXQgY2hhbmdlIGlzIGFmdGVyIHRoZSBtdWxfdTY0X3U2NF9kaXZfdTY0KCkg Y2FsbCB0aGF0IHRyYXBwZWQuDQo+IEl0IGlzIGFsc28gbm90IHJlbGV2YW50IGZvciB4ODYtNjQg YmVjYXVzZSBpdCB1c2VzIHRoZSBhc20gdmVyc2lvbi4NCj4gDQo+IEF0IHNvbWUgcG9pbnQgbXVs X3U2NF91NjRfZGl2X3U2NCgpIGdvdCBjaGFuZ2VkIHRvIGJlIGFjY3VyYXRlIChhbmQgc2xvdykg c28NCj4gdGhhdCBjaGVjayBpc24ndCBuZWVkZWQgYW55IG1vcmUuDQo+IA0KDQpJIHNlZSB0aGlz IHBhdGNoIG5vdCByZWxldmFudA0KDQpUaGFuayB5b3UgdmVyeSBtdWNoIGZvciB5b3VyIGNvbmZp cm1hdGlvbg0KDQotTGkNCg==