linux-kernel - Re: [Bugfix 3/3] eata: Enhance eata driver to support PCI device hot-removal

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Date:	Sat, 19 Sep 2015 00:38:51 +0930
From:	Arthur Marsh <arthur.marsh@...ernode.on.net>
To:	Christoph Hellwig <hch@...radead.org>,
	Hannes Reinecke <hare@...e.de>
CC:	Jiang Liu <jiang.liu@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Dario Ballabio <ballabio_dario@....com>,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-scsi@...r.kernel.org, x86@...nel.org
Subject: Re: [Bugfix 3/3] eata: Enhance eata driver to support PCI device
 hot-removal



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.
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