linux-kernel - RE: sata_mv port lockup on hotplug (kernel 2.6.38.2)

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Message-ID: <C1438B59050E1B4C9482FF3266AD6BA32C7777DD92@gretna.indigovision.com>
Date:	Mon, 30 May 2011 14:07:31 +0100
From:	Bruce Stenning <b.stenning@...igovision.com>
To:	Mark Lord <kernel@...savvy.com>
CC:	Tejun Heo <htejun@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>
Subject: RE: sata_mv port lockup on hotplug (kernel 2.6.38.2)

> > Mark, did you get a chance to clean up the sata_mv spinlock addition in
> > mv_set_main_irq_mask?
>
> Not yet.  I've been waiting to hear back from you as to
> whether they visibly fix anything or not.

Having now tested with Tejun's two patches and without the spinlock in
mv_set_main_irq_mask for a reasonable time, the hotplug seems to be very
reliable.  So I think it's probably best to leave the spinlock out and
continue to observe the behaviour with further testing.

Thanks,
Bruce.


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