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Thu, 9 Jul 2020 20:00:03 +0800 Received: from lhreml703-chm.china.huawei.com (10.201.108.52) by dggema763-chm.china.huawei.com (10.1.198.205) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Thu, 9 Jul 2020 19:59:59 +0800 Received: from lhreml703-chm.china.huawei.com ([10.201.68.198]) by lhreml703-chm.china.huawei.com ([10.201.68.198]) with mapi id 15.01.1913.007; Thu, 9 Jul 2020 12:59:57 +0100 From: Salil Mehta To: yuzenghui Subject: RE: [REPORT] possible circular locking dependency when booting a VM on arm64 host Thread-Topic: [REPORT] possible circular locking dependency when booting a VM on arm64 host Thread-Index: AQHWVd2KjX+gRVf/zUS8x8KvRiYF2qj/EP5QgAAAiYCAABH08A== Date: Thu, 9 Jul 2020 11:59:57 +0000 Message-ID: <937de9e7174f444bb4adae075213c92e@huawei.com> References: <7225eba7-6e5e-ec7e-953b-d1fef0b1775b@huawei.com> <134ee452eda74f0cbdc10354fe66c48e@huawei.com> <7c1bb3c1-3f64-8c24-ed59-eb3da7bf6643@huawei.com> In-Reply-To: <7c1bb3c1-3f64-8c24-ed59-eb3da7bf6643@huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.47.68.122] MIME-Version: 1.0 X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200709_080012_492848_BF08661E X-CRM114-Status: UNSURE ( 9.26 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marc Zyngier , Linux Kernel Mailing List , "Wanghaibin \(D\)" , Thomas Gleixner , "Zhuangyuzeng \(Yisen\)" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > From: yuzenghui > Sent: Thursday, July 9, 2020 12:50 PM > To: Salil Mehta > Cc: Marc Zyngier ; Thomas Gleixner ; Linux > Kernel Mailing List ; > linux-arm-kernel@lists.infradead.org; Zhuangyuzeng (Yisen) > ; Wanghaibin (D) > Subject: Re: [REPORT] possible circular locking dependency when booting a VM > on arm64 host > > On 2020/7/9 18:54, Salil Mehta wrote: > > Hi Yuzenghui, > > I will try to reproduce it today at our platform. Just one question is it easily > > reproducible or is a rare occurrence? > > Salil, it's 100% reproducible once you start a guest. You don't even > need to assign hostdev to the VM. Thanks! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel