From: Greg KH <greg@kroah.com>
To: Robert Hancock <hancockrwd@gmail.com>
Cc: Tejun Heo <tj@kernel.org>, Oliver Neukum <oliver@neukum.org>,
Yuhong Bao <yuhongbao_386@hotmail.com>,
david-b@pacbell.net, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org
Subject: Re: [PATCH 2.6.34] ehci-hcd: add option to enable 64-bit DMA support
Date: Thu, 25 Feb 2010 15:25:29 -0800 [thread overview]
Message-ID: <20100225232528.GA24155@kroah.com> (raw)
In-Reply-To: <51f3faa71002251515k51354eb6y3e2cfd1558dba2f1@mail.gmail.com>
On Thu, Feb 25, 2010 at 05:15:49PM -0600, Robert Hancock wrote:
> > For now, I'd like to not enable this, given the huge risks and no known
> > benifit.
>
> "Huge risks" is likely a bit melodramatic
No it is not. This has the ability to break USB functionality that
currently works just fine for a user. That's not acceptable.
And yes, we can fix things after-the-fact with blacklists, but as Tejun
so aptly described, it is a major pain to do so, and lots of users just
get frustrated and never tell us that problems happen.
thanks,
greg k-h
next prev parent reply other threads:[~2010-02-26 0:13 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-18 3:10 [PATCH 2.6.34] ehci-hcd: add option to enable 64-bit DMA support Robert Hancock
2010-02-18 4:26 ` Greg KH
2010-02-18 5:13 ` Robert Hancock
2010-02-18 5:22 ` Greg KH
2010-02-19 0:33 ` Robert Hancock
2010-02-19 0:47 ` Greg KH
2010-02-19 3:46 ` Robert Hancock
2010-02-19 3:54 ` Greg KH
2010-02-20 1:30 ` Robert Hancock
2010-02-20 4:26 ` Greg KH
2010-02-20 5:39 ` David Brownell
2010-02-20 7:15 ` Robert Hancock
2010-02-20 8:07 ` David Brownell
2010-02-20 18:13 ` Robert Hancock
2010-02-23 6:48 ` Yuhong Bao
2010-02-24 0:26 ` Robert Hancock
2010-02-25 2:28 ` Tejun Heo
2010-02-25 2:41 ` Yuhong Bao
2010-02-25 2:58 ` Tejun Heo
2010-02-25 3:15 ` Yuhong Bao
2010-02-25 3:29 ` Tejun Heo
2010-02-25 4:03 ` Oliver Neukum
2010-02-25 5:25 ` Tejun Heo
2010-02-25 16:14 ` Greg KH
2010-02-25 23:15 ` Robert Hancock
2010-02-25 23:25 ` Greg KH [this message]
2010-02-26 7:01 ` Oliver Neukum
2010-02-24 3:53 ` SB600 64-bit DMA BIOS misconfiguration (formerly RE: [PATCH 2.6.34] ehci-hcd: add option to enable 64-bit DMA support) Yuhong Bao
2010-02-24 3:53 ` Yuhong Bao
2010-02-24 4:30 ` Robert Hancock
2010-02-24 4:30 ` Robert Hancock
2010-02-24 4:33 ` Yuhong Bao
2010-02-24 4:33 ` Yuhong Bao
2010-02-24 13:30 ` Huang, Shane
2010-02-24 13:30 ` Huang, Shane
2010-02-23 6:28 ` [PATCH 2.6.34] ehci-hcd: add option to enable 64-bit DMA support Yuhong Bao
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