From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: John Garry <john.garry@huawei.com>
Cc: jejb@linux.vnet.ibm.com, martin.petersen@oracle.com,
john.garry2@mail.dcu.ie, linuxarm@huawei.com,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
zhangfei.gao@linaro.org
Subject: Re: [PATCH 0/6] hisi_sas: v2 hw SoC bug workarounds
Date: Tue, 11 Apr 2017 22:02:11 -0400 [thread overview]
Message-ID: <yq1zifmtmcc.fsf@oracle.com> (raw)
In-Reply-To: <1491830521-21437-1-git-send-email-john.garry@huawei.com> (John Garry's message of "Mon, 10 Apr 2017 21:21:55 +0800")
John,
> This patchset introduces some v2 hw bug workarounds. Mostly they are
> related to SATA devices, but there is also a workaround for a scenario
> when internal abort command may timeout.
>
> The general rule for implementing workarounds was to do it in the hw
> layer, as the next hw revision should not include these bugs, so it is
> better not pollute the driver main layer with workarounds
>
> This patchset also includes 2 other patches, one for a possible NULL
> pointer deference and another for resetting the controller for fatal
> AXI/ECC errors.
Applied to 4.12/scsi-queue.
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: John Garry <john.garry@huawei.com>
Cc: <jejb@linux.vnet.ibm.com>, <martin.petersen@oracle.com>,
<john.garry2@mail.dcu.ie>, <linuxarm@huawei.com>,
<linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<zhangfei.gao@linaro.org>
Subject: Re: [PATCH 0/6] hisi_sas: v2 hw SoC bug workarounds
Date: Tue, 11 Apr 2017 22:02:11 -0400 [thread overview]
Message-ID: <yq1zifmtmcc.fsf@oracle.com> (raw)
In-Reply-To: <1491830521-21437-1-git-send-email-john.garry@huawei.com> (John Garry's message of "Mon, 10 Apr 2017 21:21:55 +0800")
John,
> This patchset introduces some v2 hw bug workarounds. Mostly they are
> related to SATA devices, but there is also a workaround for a scenario
> when internal abort command may timeout.
>
> The general rule for implementing workarounds was to do it in the hw
> layer, as the next hw revision should not include these bugs, so it is
> better not pollute the driver main layer with workarounds
>
> This patchset also includes 2 other patches, one for a possible NULL
> pointer deference and another for resetting the controller for fatal
> AXI/ECC errors.
Applied to 4.12/scsi-queue.
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2017-04-12 2:02 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-10 13:21 [PATCH 0/6] hisi_sas: v2 hw SoC bug workarounds John Garry
2017-04-10 13:21 ` John Garry
2017-04-10 13:21 ` [PATCH 1/6] scsi: hisi_sas: workaround STP link SoC bug John Garry
2017-04-10 13:21 ` John Garry
2017-04-10 13:16 ` Johannes Thumshirn
2017-04-10 13:21 ` [PATCH 2/6] scsi: hisi_sas: workaround a SoC SATA IO processing bug John Garry
2017-04-10 13:21 ` John Garry
2017-04-10 14:07 ` Johannes Thumshirn
2017-04-10 13:21 ` [PATCH 3/6] scsi: hisi_sas: workaround SoC about abort timeout bug John Garry
2017-04-10 13:21 ` John Garry
2017-04-10 13:21 ` [PATCH 4/6] scsi: hisi_sas: add v2 hw internal abort timeout workaround John Garry
2017-04-10 13:21 ` John Garry
2017-04-10 13:22 ` [PATCH 5/6] scsi: hisi_sas: fix NULL deference when TMF timeouts John Garry
2017-04-10 13:22 ` John Garry
2017-04-10 13:22 ` [PATCH 6/6] scsi: hisi_sas: controller reset for multi-bits ECC and AXI fatal errors John Garry
2017-04-10 13:22 ` John Garry
2017-04-12 2:02 ` Martin K. Petersen [this message]
2017-04-12 2:02 ` [PATCH 0/6] hisi_sas: v2 hw SoC bug workarounds Martin K. Petersen
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