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Date: Sat, 19 Sep 2015 00:38:51 +0930
From: Arthur Marsh <arthur.marsh@internode.on.net>
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To: Christoph Hellwig <hch@infradead.org>,
	Hannes Reinecke <hare@suse.de>
CC: Jiang Liu <jiang.liu@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Dario Ballabio <ballabio_dario@emc.com>,
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	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-scsi@vger.kernel.org, x86@kernel.org
Subject: Re: [Bugfix 3/3] eata: Enhance eata driver to support PCI device
 hot-removal
References: <CAErSpo4oignSpK-LCLO=deW_FZ-V58GUhBxJ5uvmXe4DYo4WdA@mail.gmail.com> <1442200140-30808-1-git-send-email-jiang.liu@linux.intel.com> <1442200140-30808-4-git-send-email-jiang.liu@linux.intel.com> <55F6837A.5020807@suse.de> <20150916134211.GA21535@infradead.org>
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Christoph Hellwig wrote on 16/09/15 23:12:

> Jiang, you also need to convert the driver to
> scsi_add_host/scsi_remove_host from the legacy scsi_register interface,
> otherwise the SCSI layer will be very unhappy.
>
> Take a look at commit 0d31f8759109cbc1e6fc196d08e6b0e8a9e93b3f for
> example, the change should be straight forward.
>

I am pleased to note that when I tried a Linus git head kernel from the 
last 24 hours, the IRQ routing for my DPT2044W SCSI card using eata 
module worked again, although the shut-down/kexec issue remains.

Arthur.