From: Jeff Garzik <jeff@garzik.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Chris Wright <chrisw@sous-sol.org>,
linux-kernel@vger.kernel.org, stable@kernel.org,
IDE/ATA development list <linux-ide@vger.kernel.org>,
Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
Theodore Ts'o <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@redhat.com>,
Chuck Wolber <chuckw@quantumlinux.com>,
Chris Wedgwood <reviews@ml.cw.f00f.org>,
Michael Krufky <mkrufky@linuxtv.org>,
Chuck Ebbert <cebbert@redhat.com>,
Domenico Andreoli <cavokz@gmail.com>,
akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
Tejun Heo <htejun@gmail.com>,
matthieu.castet@parrot.com, Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: [patch 10/50] libata: force hardreset if link is in powersave mode
Date: Fri, 06 Jun 2008 23:14:10 -0400 [thread overview]
Message-ID: <4849FD02.9000901@garzik.org> (raw)
In-Reply-To: <alpine.LFD.1.10.0806061826420.3473@woody.linux-foundation.org>
Linus Torvalds wrote:
>
> On Fri, 6 Jun 2008, Chris Wright wrote:
>> -stable review patch. If anyone has any objections, please let us know.
>> ---------------------
>>
>> From: Tejun Heo <htejun@gmail.com>
>>
>> Inhibiting link PM mode doesn't bring the link back online if it's
>> already in powersave mode. If SRST is used in these cases, libata EH
>> thinks that the link is offline and fails detection. Force hardreset
>> if link is in powersave mode.
>
> This isn't upstream. Maybe there's some reason it's not needed upstream,
> but it would be nice to know.
We do hard reset by default...
Jeff
prev parent reply other threads:[~2008-06-07 3:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080607010215.358296706@sous-sol.org>
2008-06-07 1:02 ` [patch 10/50] libata: force hardreset if link is in powersave mode Chris Wright
2008-06-07 1:27 ` Linus Torvalds
2008-06-07 1:57 ` [stable] " Greg KH
2008-06-07 16:51 ` Linus Torvalds
2008-06-07 3:14 ` Jeff Garzik [this message]
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