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From: "Kiwoong Kim" <kwmad.kim@samsung.com>
To: <linux-scsi@vger.kernel.org>
Cc: <alim.akhtar@samsung.com>, <avri.altman@wdc.com>,
	<jejb@linux.ibm.com>, <martin.petersen@oracle.com>,
	<beanhuo@micron.com>, <asutoshd@codeaurora.org>,
	<cang@codeaurora.org>, <bvanassche@acm.org>,
	<grant.jung@samsung.com>, <sc.suh@samsung.com>,
	<hy50.seo@samsung.com>, <sh425.lee@samsung.com>
Subject: RE: [RFC PATCH v4 2/3] ufs: exynos: introduce command history
Date: Wed, 8 Jul 2020 11:26:13 +0900	[thread overview]
Message-ID: <000701d654cf$269d6120$73d82360$@samsung.com> (raw)
In-Reply-To: <1594173709.10600.3.camel@mtkswgap22>

> 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 <kwmad.kim@samsung.com>
> > Acked-By: Stanley Chu <stanley.chu@mediatek.com>
> 
> 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


  reply	other threads:[~2020-07-08  2:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200708015241epcas2p4c287d7df1b2d4fc10486820a3e83a94a@epcas2p4.samsung.com>
2020-07-08  1:44 ` [RFC PATCH v4 0/3] ufs: exynos: introduce the way to get cmd info Kiwoong Kim
2020-07-08  1:44   ` [RFC PATCH v4 1/3] ufs: introduce a callback to get info of command completion Kiwoong Kim
2020-07-08  1:44   ` [RFC PATCH v4 2/3] ufs: exynos: introduce command history Kiwoong Kim
2020-07-08  2:01     ` Stanley Chu
2020-07-08  2:26       ` Kiwoong Kim [this message]
2020-07-08  1:44   ` [RFC PATCH v4 3/3] ufs: exynos: implement dbg_register_dump Kiwoong Kim

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