linux-kernel - Re: [PATCH 0/8] hisi

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Message-ID: <yq1wonl6k82.fsf@oracle.com>
Date:   Fri, 04 Jan 2019 00:54:37 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     John Garry <john.garry@...wei.com>
Cc:     <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>,
        <linuxarm@...wei.com>, <linux-kernel@...r.kernel.org>,
        <linux-scsi@...r.kernel.org>
Subject: Re: [PATCH 0/8] hisi_sas: debugfs support


John,

> This patchset adds debugfs support for capturing driver state for
> particular times when the HW has malfunctioned (and we must reset the HW).
>
> Every controller HW version has had bugs. These bugs have been very
> painful to debug. One useful tool to debug these is being able to capture
> and export HW registers and driver control structures at point of failure.
>
> This feature has been maintained out-of-tree for some time, so add it now.

Applied to 4.22/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering