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,
linux-scsi@vger.kernel.org, linuxarm@huawei.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/9] hisi_sas: Some misc patches
Date: Thu, 19 Jul 2018 22:05:10 -0400 [thread overview]
Message-ID: <yq1in5a8xwp.fsf@oracle.com> (raw)
In-Reply-To: <1531923273-193768-1-git-send-email-john.garry@huawei.com> (John Garry's message of "Wed, 18 Jul 2018 22:14:24 +0800")
John,
> This patchset introduces some misc patches, generally more minor in
> importance.
>
> However there is a patch to add a CPU barrier to the delivery path for
> each hw version. We only saw this issue on v3 hw in hip08 chipset,
> where the host CPU exhibits a looser memory model than in
> predecessors, and software must enforce SMP coherency.
Applied to 4.19/scsi-queue, thanks!
--
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>,
<linux-scsi@vger.kernel.org>, <linuxarm@huawei.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/9] hisi_sas: Some misc patches
Date: Thu, 19 Jul 2018 22:05:10 -0400 [thread overview]
Message-ID: <yq1in5a8xwp.fsf@oracle.com> (raw)
In-Reply-To: <1531923273-193768-1-git-send-email-john.garry@huawei.com> (John Garry's message of "Wed, 18 Jul 2018 22:14:24 +0800")
John,
> This patchset introduces some misc patches, generally more minor in
> importance.
>
> However there is a patch to add a CPU barrier to the delivery path for
> each hw version. We only saw this issue on v3 hw in hip08 chipset,
> where the host CPU exhibits a looser memory model than in
> predecessors, and software must enforce SMP coherency.
Applied to 4.19/scsi-queue, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2018-07-20 2:05 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-18 14:14 [PATCH 0/9] hisi_sas: Some misc patches John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 1/9] scsi: hisi_sas: Drop hisi_sas_slot_abort() John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 2/9] scsi: hisi_sas: tidy channel interrupt handler for v3 hw John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 3/9] scsi: hisi_sas: Fix the failure of recovering PHY from STP link timeout John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 4/9] scsi: hisi_sas: tidy host controller reset function a bit John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 5/9] scsi: hisi_sas: relocate some common code for v3 hw John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 6/9] scsi: hisi_sas: Implement handlers of PCIe FLR " John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 7/9] scsi: hisi_sas: Tidy hisi_sas_task_prep() John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 8/9] scsi: hisi_sas: add memory barrier in task delivery function John Garry
2018-07-18 14:14 ` John Garry
2018-07-18 14:14 ` [PATCH 9/9] scsi: hisi_sas: Add SATA FIS check for v3 hw John Garry
2018-07-18 14:14 ` John Garry
2018-07-20 2:05 ` Martin K. Petersen [this message]
2018-07-20 2:05 ` [PATCH 0/9] hisi_sas: Some misc patches Martin K. Petersen
-- strict thread matches above, loose matches on Subject: below --
2019-04-11 12:46 John Garry
2019-04-11 12:46 ` John Garry
2019-04-15 23:08 ` Martin K. Petersen
2019-04-15 23:08 ` Martin K. Petersen
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