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AJvYcCWF4WUv3JQ9cHV9jmJ60EKRzShcqx9sJrzmCZdNzfJ0pWltgh0gWDzHrWIp+H7horbR+no80ywdGujaDSRvD1bk2lMvFyC2yixX7dF+M20h68FdwUVfsq4efcBqEEWGMJWf0w== X-Gm-Message-State: AOJu0YzoTTs+DCpHEmjMwAxiMgziI6XKTsQYbX3wuxNwXaZ7OBf5fblr 8ko8dA+GEa8TO8ezxBpzs13Uyw9oKP5whk3fsCx1/j3mkqL7TVRg X-Google-Smtp-Source: AGHT+IF1iBD5PBdiW1MXVxPLPw1ldsebD8ec0RQWnh38kfGvPUgFftx9YwQtPep3wbySXU4twET9ag== X-Received: by 2002:a05:6402:1d56:b0:595:71c7:39dd with SMTP id 4fb4d7f45d1cf-59571c73a66mr14805326a12.34.1721036043742; Mon, 15 Jul 2024 02:34:03 -0700 (PDT) Received: from [10.176.235.56] ([137.201.254.41]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-59b268a291asm3129099a12.76.2024.07.15.02.34.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jul 2024 02:34:03 -0700 (PDT) Message-ID: <37c27c61ebf9e1db06a0d93adcc588fcaccec8ab.camel@gmail.com> Subject: Re: [PATCH v2] ufs: core: fix deadlock when rtc update From: Bean Huo To: peter.wang@mediatek.com, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, avri.altman@wdc.com, alim.akhtar@samsung.com, jejb@linux.ibm.com, beanhuo@micron.com Cc: wsd_upstream@mediatek.com, linux-mediatek@lists.infradead.org, chun-hung.wu@mediatek.com, alice.chao@mediatek.com, cc.chou@mediatek.com, chaotian.jing@mediatek.com, jiajie.hao@mediatek.com, powen.kao@mediatek.com, qilin.tan@mediatek.com, lin.gui@mediatek.com, tun-yu.yu@mediatek.com, eddie.huang@mediatek.com, naomi.chu@mediatek.com, chu.stanley@gmail.com, stable@vger.kernel.org Date: Mon, 15 Jul 2024 11:34:01 +0200 In-Reply-To: <20240715063831.29792-1-peter.wang@mediatek.com> References: <20240715063831.29792-1-peter.wang@mediatek.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 User-Agent: Evolution 3.44.4-0ubuntu2 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 T24gTW9uLCAyMDI0LTA3LTE1IGF0IDE0OjM4ICswODAwLCBwZXRlci53YW5nQG1lZGlhdGVrLmNv bSB3cm90ZToKPiBAQCAtODE3MSw3ICs4MTcxLDEwIEBAIHN0YXRpYyB2b2lkIHVmc2hjZF91cGRh dGVfcnRjKHN0cnVjdCB1ZnNfaGJhCj4gKmhiYSkKPiDCoMKgwqDCoMKgwqDCoMKgICovCj4gwqDC oMKgwqDCoMKgwqDCoHZhbCA9IHRzNjQudHZfc2VjIC0gaGJhLT5kZXZfaW5mby5ydGNfdGltZV9i YXNlbGluZTsKPiDCoAo+IC3CoMKgwqDCoMKgwqDCoHVmc2hjZF9ycG1fZ2V0X3N5bmMoaGJhKTsK PiArwqDCoMKgwqDCoMKgwqAvKiBTa2lwIHVwZGF0ZSBSVEMgaWYgUlBNIHN0YXRlIGlzIG5vdCBS UE1fQUNUSVZFICovCj4gK8KgwqDCoMKgwqDCoMKgaWYgKHVmc2hjZF9ycG1fZ2V0X2lmX2FjdGl2 ZShoYmEpIDw9IDApCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJldHVybjsKPiAr Cj4gwqDCoMKgwqDCoMKgwqDCoGVyciA9IHVmc2hjZF9xdWVyeV9hdHRyKGhiYSwgVVBJVV9RVUVS WV9PUENPREVfV1JJVEVfQVRUUiwKPiBRVUVSWV9BVFRSX0lETl9TRUNPTkRTX1BBU1NFRCwKPiDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgMCwgMCwgJnZhbCk7Cj4gwqDCoMKgwqDCoMKgwqDCoHVmc2hjZF9ycG1fcHV0X3N5bmMo aGJhKTsKCk15IHN1Z2dlc3Rpb24gd291bGQgYmUgdG8gbm90IHJldHVybiBoZXJlIGFuZCBqdXN0 IHNraXAgdGhlIHVwZGF0ZSwgYnV0CnJlc2NoZWR1bGUgaXQgZm9yIHRoZSBuZXh0IHRpbWUgdGhh dCBkb2Vzbid0IGFmZmVjdCB0aGUgc3VzcGVuZC9yZXN1bWUKZmxvdyB5b3UncmUgd29ycmllZCBh Ym91dC4K