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From: Avri Altman <Avri.Altman@wdc.com>
To: Can Guo <cang@codeaurora.org>
Cc: "James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	Bart Van Assche <bvanassche@acm.org>,
	yongmyung lee <ymhungry.lee@samsung.com>,
	Daejun Park <daejun7.park@samsung.com>,
	"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>,
	"asutoshd@codeaurora.org" <asutoshd@codeaurora.org>,
	Zang Leigang <zangleigang@hisilicon.com>,
	Avi Shchislowski <Avi.Shchislowski@wdc.com>,
	Bean Huo <beanhuo@micron.com>,
	"stanley.chu@mediatek.com" <stanley.chu@mediatek.com>
Subject: RE: [PATCH v2 6/9] scsi: ufshpb: Add hpb dev reset response
Date: Mon, 8 Feb 2021 07:50:50 +0000	[thread overview]
Message-ID: <DM6PR04MB6575477CCE75422702460035FC8F9@DM6PR04MB6575.namprd04.prod.outlook.com> (raw)
In-Reply-To: <91845a884facd63d9e9d62e2e3424cfd@codeaurora.org>

> > +             if (hpb->is_hcm) {
> > +                     struct ufshpb_lu *h;
> > +                     struct scsi_device *sdev;
> > +
> > +                     shost_for_each_device(sdev, hba->host) {
> 
> I haven't test it yet, but this line shall cause recursive spin lock -
> in current code base, ufshpb_rsp_upiu() is called with host_lock held.
Yayks Ouch.  Will fix.

Thanks,
Avri

  reply	other threads:[~2021-02-08  7:52 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02  8:29 [PATCH v2 0/9] Add Host control mode to HPB Avri Altman
2021-02-02  8:29 ` [PATCH v2 1/9] scsi: ufshpb: Cache HPB Control mode on init Avri Altman
2021-02-02  8:30 ` [PATCH v2 2/9] scsi: ufshpb: Add host control mode support to rsp_upiu Avri Altman
2021-02-02 11:13   ` Greg KH
2021-02-02 11:24     ` Avri Altman
2021-02-02 11:51       ` Greg KH
2021-02-02 11:54         ` Avri Altman
2021-02-02  8:30 ` [PATCH v2 3/9] scsi: ufshpb: Add region's reads counter Avri Altman
2021-02-02 11:15   ` Greg KH
2021-02-02 11:23     ` Avri Altman
2021-02-02 11:51       ` Greg KH
2021-02-02 11:16   ` Greg KH
2021-02-02 11:22     ` Avri Altman
2021-02-02  8:30 ` [PATCH v2 4/9] scsi: ufshpb: Make eviction depends on region's reads Avri Altman
2021-02-02  8:30 ` [PATCH v2 5/9] scsi: ufshpb: Region inactivation in host mode Avri Altman
2021-02-02  8:30 ` [PATCH v2 6/9] scsi: ufshpb: Add hpb dev reset response Avri Altman
2021-02-08  6:34   ` Can Guo
2021-02-08  7:50     ` Avri Altman [this message]
2021-02-02  8:30 ` [PATCH v2 7/9] scsi: ufshpb: Add "Cold" regions timer Avri Altman
2021-02-02  8:30 ` [PATCH v2 8/9] scsi: ufshpb: Add support for host control mode Avri Altman
2021-02-02  8:30 ` [PATCH v2 9/9] scsi: ufshpb: Make host mode parameters configurable Avri Altman
2021-02-02 11:17   ` Greg KH
2021-02-02 11:21     ` Avri Altman
     [not found]     ` <CGME20210202112157epcas2p3b04677e1380e0fa2c3f38217dfcba8bf@epcms2p8>
2021-02-04  0:48       ` Daejun Park
2021-02-02 11:18   ` Greg KH
2021-02-02 11:20     ` Avri Altman
2021-02-05 11:36 ` [PATCH v2 0/9] Add Host control mode to HPB Bean Huo
2021-02-05 11:43   ` Bean Huo
2021-02-07 14:07     ` Avri Altman

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