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Wed, 8 Jul 2020 02:26:13 +0000 (GMT) From: "Kiwoong Kim" To: Cc: , , , , , , , , , , , In-Reply-To: <1594173709.10600.3.camel@mtkswgap22> Subject: RE: [RFC PATCH v4 2/3] ufs: exynos: introduce command history Date: Wed, 8 Jul 2020 11:26:13 +0900 Message-ID: <000701d654cf$269d6120$73d82360$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQMZv//Rw0wsbuEqyeQX+rDWIvjdtQFeKClqAepwVRsC1qdyTqZFJCcQ Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA01Ta0xbZRj2a0/b00nNWUH9BobVMxY7DNDiCgdCh46NVfEHcT+MC1qP9KSt 9LaeUp0uiIKlUO5kTDqykakssGWdG0KtQKAUEOMMoYxbWEIz64YZwsaCYabM0tNF/j3v+zzP e/kuKFvo48ajWoOFMhtIHc7dhfSOHMhMGUvlKCWrGwnE0vleLjFg+4VHLG/e4hLDgWqEaF3b ZBMPXZ0c4nHIxSMuf7uEEBfnelmEY9bNJS6Nb7GImttzgPh+awV5XaDwTxco/PV1LEXjxSGg +Mdl5yoeBBcQRX1PN1CsX09UVA05WIXoCV2OhiJVlFlEGYqNKq1BLccLjivzlLIMiTRFmkVk 4iIDqafk+JG3C1PytbrwyLjISupKw6lCkqbxtEM5ZmOphRJpjLRFjlMmlc4klZpSaVJPlxrU qcVGfbZUIkmXhZUf6jRd967yTNfQT+/3ny4HU9wawEchdhDON81xasAuVIi5AfT1fwWY4CGA Yz/9GGXWAXROD7GeWm5uXEMYwgPgTMgTVd0DsNkZ4myruNirsDXwcwTHYSIYsnnZ2yI25mLB mopW3jbBx9LhZK8ngmOxfPio90KkBYIlQceEL5IXYFlwYqQdMHg3nGj7A9nGbGwv7FtpZzMj ieBmsDPaLB9u9LkBo4mD56ptkcYQm0ZhS9OZMIGGgyNwetjEeGPhX+M9PAbHw+UGWxR/AQfP lHMYby2AwcEtwBCvQeefVZE6bOwAdHnSmJL7oG8hOtpz0D4S4jFpAbTbhIxxH3zc3BItsge2 zS/yGgHu3LGYc8dizh0LOP/v1QGQbvACZaL1aopONx3cednXQeQ5Jyvc4NzKWqoXsFDgBRBl 43ECycscpVCgIk99RpmNSnOpjqK9QBY+6iZ2/PPFxvB/MFiUUll6RoYkS0bIMtIJ/EXB39mT HwgxNWmhSijKRJmf+lgoP76c9XUgZn9jsPVYduXNdweoiuEyy8kHHYeNtxoaPl8YfIX/KDnX HntKm8AXZyfMll8ZtJ62tnyndud+hPzbWflkIfO8KpHvp1i8xdqyZ7qoT6onq+Qm/zcyO3nj tsZRZ37WLLY2fhnMC+Q+mTluPeaPee/oW5b8evXyhivxbo9KYpW/6Ti5enlR3FVdJEaSSt7v ESUl/zC22r5RYpRfbS7ps4/XLpS9dFdyxZUzX3FJ22rL4N6Y+vW+bx2+k0aMCmZ+6z9bl1JA GpbWxi/sIQrf0M9O7Q96xY4JT/cqLY7JGzWPHvq46M7egUotaUoUdnbspn4vvZNbdPjsFieQ 1LZ5AkdoDSlNZptp8j8qmxcYVwQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrHIsWRmVeSWpSXmKPExsWy7bCSvO5RPdZ4g9P/NC0ezNvGZrG37QS7 xcufV9ksDj7sZLGY9uEns8Wn9ctYLX79Xc9usXrxAxaLRTe2MVl0X9/BZrH8+D8mi667Nxgt lv57y+LA63H5irfH5b5eJo8Jiw4wenxf38Hm8fHpLRaPvi2rGD0+b5LzaD/QzRTAEcVlk5Ka k1mWWqRvl8CVsfLFOvaCDRwVb/bUNDBeYuti5OSQEDCROPttA0sXIxeHkMAORonttydBJSQl Tux8zghhC0vcbznCCmILCTxjlHizNQ7EZhPQlpj2cDdYXERAQeJv2yFmkEHMAnuZJC4/2MsE 0dDAJHFojSCIzSlgJHFh2y52EFtYwE3iy7b5YDUsAioS3SePgMV5BSwlTh6ewwhhC0qcnPmE BcRmBlrW+7CVEcKWl9j+dg4zxHEKEj+fLoM6wk3i2/YdUDUiErM725gnMArPQjJqFpJRs5CM moWkZQEjyypGydSC4tz03GLDAqO81HK94sTc4tK8dL3k/NxNjOAo1dLawbhn1Qe9Q4xMHIyH GCU4mJVEeA0UWeOFeFMSK6tSi/Lji0pzUosPMUpzsCiJ836dtTBOSCA9sSQ1OzW1ILUIJsvE wSnVwDTDic1qX9Befc1oxVUbWkV0b/kt2yX+9POz+S8vHdu57s3V+c9kuGIXGLhJTkw57cXZ aMLsd+fblU1nw35aBb2cEV9dZia5yraO588U9mudLAJxJ0/d/79EviLxnZ7SwzaJqR68X698 uP9MWH/ppcr3l9ZFz43YXZDem/Ut928L15lJLYdNTwteebolPlnmwPmFh0M+qtefFRBmNo48 IhFpc+WPkNtum4J7Rz4euGqSfGH+Wd9ak1nnb3ve/z3LTqxs9a8K6xjjXPO61lhjS4uGsy+3 /r0Y9Fdh5xJWtbUPina+nLGttPrOj0t/d09J4OVPLkwLlj82ffZ185Vm3yblSL1zu7E8qv81 4yQG67KFSizFGYmGWsxFxYkAzXaoDEEDAAA= X-CMS-MailID: 20200708022613epcas2p2c4a6e5c5bb63b71d35a99b47bbbbadc9 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20200708015244epcas2p44358cef6bc03288c723ef77549aaaca2 References: <40302a83cf4fd1f9e636a029db8ba579dbbda230.1594097045.git.kwmad.kim@samsung.com> <1594173709.10600.3.camel@mtkswgap22> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org > Hi Kiwoong, > > On Wed, 2020-07-08 at 10:44 +0900, Kiwoong Kim wrote: > > This includes functions to record contexts of incoming commands in a > > circular queue. ufshcd.c has already some function tracer calls to get > > command history but ftrace would be gone when system dies before you > > get the information, such as panic cases. > > > > This patch also implements callbacks compl_xfer_req to store IO > > contexts at completion times. > > > > When you turn on CONFIG_SCSI_UFS_EXYNOS_CMD_LOG, the driver collects > > the information from incoming commands in the circular queue. > > > > Signed-off-by: Kiwoong Kim > > Acked-By: Stanley Chu > > I am sorry, I did not ack this patch. > Could you please fix the tag? > > Actually I acked another patch : ) > "ufs: introduce a callback to get info of command completion" > > Please see > https://patchwork.kernel.org/patch/11640901/ > > Thanks, > Stanley Chu Sure and I'm really sorry for bothering you. Thanks. Kiwoong Kim