linux-kernel - Re: [PATCH v3] scsi: pmcraid: Remove the PMCRAID_PASSTHROUGH

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Message-ID: <yq11qykw1wd.fsf@ca-mkp.ca.oracle.com>
Date:   Tue, 29 Mar 2022 23:32:59 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christoph Hellwig <hch@....de>, linux-scsi@...r.kernel.org
Subject: Re: [PATCH v3] scsi: pmcraid: Remove the PMCRAID_PASSTHROUGH_IOCTL
 ioctl implementation


Christophe,

> The whole passthrough ioctl path looks completely broken.  For example
> it dma maps the scatterlist and after that copies data to it, which is
> prohibited by the DMA API contract.

Applied to 5.18/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering