Re: [PATCH] scsi: smartpqi: call pqi_free_interrupts() in pqi_shutdown()

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To: Yanjiang Jin <yanjiang.jin@xxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] scsi: smartpqi: call pqi_free_interrupts() in pqi_shutdown()
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Thu, 20 Dec 2018 19:39:00 -0500
Cc: <don.brace@xxxxxxxxxxxxx>, <jejb@xxxxxxxxxxxxxxxxxx>, <martin.petersen@xxxxxxxxxx>, <yu.zheng@xxxxxxxxxxxxxxxx>, <jinyanjiang@xxxxxxxxx>, <esc.storagedev@xxxxxxxxxxxxx>, <linux-scsi@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <1545294755-29565-2-git-send-email-yanjiang.jin@hxt-semitech.com> (Yanjiang Jin's message of "Thu, 20 Dec 2018 16:32:35 +0800")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Yanjiang,

> We must free all irqs during shutdown, else kexec's 2nd kernel would
> hang in pqi_wait_for_completion_io() as below:

Applied to 4.21/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH] How to reproduce this issue
  - From: Yanjiang Jin
- [PATCH] scsi: smartpqi: call pqi_free_interrupts() in pqi_shutdown()
  - From: Yanjiang Jin

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