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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jens Axboe <axboe@kernel.dk>,
	Bart Van Assche <bvanassche@acm.org>,
	Christoph Hellwig <hch@lst.de>,
	martin.petersen@oracle.com, Jaegeuk Kim <jaegeuk@kernel.org>,
	alim.akhtar@samsung.com, avri.altman@wdc.com,
	linux-scsi@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH] scsi: ufs: mark HPB support as BROKEN
Date: Tue, 26 Oct 2021 14:27:04 -0400	[thread overview]
Message-ID: <yq1ee873av4.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <36729509daa80fd48453e8a3a1b5c23750948e6c.camel@HansenPartnership.com> (James Bottomley's message of "Tue, 26 Oct 2021 14:18:16 -0400")


James,

> I was hoping the HPB guys would do this.

Yes, that would be great. Easier to validate for someone with access to
the hardware in question.

> Agreed, that was my initial proposed solution: get rid of the write
> buffer optimzation now to fix the API abuse and see if we can add it
> back in a more acceptable form later.

Doesn't matter to me whether we back out the 2.0 stuff or mark it as
broken. I merely objected to reverting all of HPB since I don't think
that would solve anything.

But obviously we'll need a patch to fix 5.15 ASAP...

-- 
Martin K. Petersen	Oracle Linux Engineering

  reply	other threads:[~2021-10-26 18:27 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-26  7:12 [PATCH] scsi: ufs: mark HPB support as BROKEN Christoph Hellwig
2021-10-26  7:18 ` Hannes Reinecke
2021-10-26  7:24 ` Damien Le Moal
2021-10-26 13:04   ` James Bottomley
2021-10-26 16:36 ` Bart Van Assche
2021-10-26 17:19   ` James Bottomley
2021-10-26 17:25     ` Jens Axboe
2021-10-26 18:05       ` Bart Van Assche
2021-10-26 18:10         ` Jens Axboe
2021-10-26 18:18           ` James Bottomley
2021-10-26 18:27             ` Martin K. Petersen [this message]
2021-10-26 20:10               ` Bart Van Assche
2021-10-27  5:27                 ` Christoph Hellwig
2021-10-27 12:20                   ` James Bottomley
2021-10-28 20:21                     ` Bart Van Assche
2021-10-28 20:33                       ` James Bottomley
2021-10-28 20:53                         ` Bart Van Assche
     [not found]                         ` <CGME20211028205342epcas2p40838e84438572adf052d106dc82e35ff@epcms2p6>
2021-10-28 21:14                           ` Daejun Park
2021-10-27 13:16                   ` Bart Van Assche
2021-10-27 14:12                     ` Keith Busch
2021-10-27 14:38                       ` Jens Axboe
2021-10-27 14:43                         ` James Bottomley
2021-10-27 15:03                       ` Ming Lei
2021-10-27 15:06                         ` Jens Axboe
2021-10-27 15:16                           ` Ming Lei
2021-10-27 15:44                             ` Martin K. Petersen
2021-10-27 15:58                               ` Ming Lei
2021-10-27 16:16                                 ` Keith Busch
2021-10-27 16:19                                   ` Jens Axboe
2021-10-28  0:42                                   ` Ming Lei
     [not found]                                   ` <CGME20211028004244epcas2p1f2212bf94ef861dfa6cd082c3cbb1803@epcms2p1>
2021-10-28  1:10                                     ` Daejun Park
2021-10-28  2:07                                       ` Ming Lei
2021-10-27 16:59                                 ` Martin K. Petersen
2021-10-27 15:35                           ` Martin K. Petersen
2021-10-27 15:40                             ` Jens Axboe
2021-10-27 16:16                               ` Martin K. Petersen
2021-10-27 17:01                                 ` Bart Van Assche
2021-10-28  1:32                                   ` Ming Lei
     [not found]               ` <CGME20211026201057epcas2p4174ba542fd5abe7ec8f4469f8c60303a@epcms2p7>
2021-10-26 22:22                 ` Daejun Park
2021-10-29 10:53 ` Christoph Hellwig
2021-10-29 11:39   ` James Bottomley
2021-10-29 13:35     ` Avri Altman
2021-10-29 13:44       ` James Bottomley

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