From: John Garry <john.garry@linux.dev>
To: yangxingui <yangxingui@huawei.com>,
yanaijie@huawei.com, jejb@linux.ibm.com, mkp@kernel.org
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxarm@huawei.com, liuyonglong@huawei.com,
kangfenglong@huawei.com
Subject: Re: [PATCH v4] scsi: libsas: Fix SMP IO deadlock during HA resume
Date: Wed, 14 Oct 2026 13:18:31 +0100 [thread overview]
Message-ID: <a114aeca-8e9f-4353-9dd3-9ce077f6fba4@linux.dev> (raw)
In-Reply-To: <ba5d9188-937c-237c-e104-9b66e7c3be3e@huawei.com>
On 10/8/26 04:11, yangxingui wrote:
>>> Fixes: 3dbbbf656b850 ("scsi: libsas: Fix HA resume deadlock and
>>> hisi_sas disk-wake race")
>>> Signed-off-by: Xingui Yang <yangxingui@huawei.com>
>>
>> Question: do you have a (non-hisi_sas) SAS HBA card whose driver uses
>> libsas? pm8001 would be such an example. It would be nice to verify
>> that all these and other non-rpm libsas changes does cause regression
>> there.
>
> We don't have a pm8001 card at hand. From analysis the patch is a
> no-op for the LLDDs without runtime PM support: pm8001 and isci
It would be good if you could get another card whose driver uses libsas
to verify these and any changes.
Anyway, the patch looks ok, so:
Reviewed-by: John Garry <john.garry@linux.dev>
next prev parent reply other threads:[~2026-10-14 12:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 4:02 [PATCH v4] scsi: libsas: Fix SMP IO deadlock during HA resume Xingui Yang
2026-09-28 4:14 ` sashiko-bot
2026-09-28 7:30 ` yangxingui
2026-09-30 10:40 ` John Garry
2026-10-08 3:11 ` yangxingui
2026-10-14 12:18 ` John Garry [this message]
2026-10-15 3:02 ` Martin K. Petersen (Oracle)
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