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Date: Thu, 25 Feb 2010 15:25:29 -0800 From: Greg KH <greg@...ah.com> To: Robert Hancock <hancockrwd@...il.com> Cc: Tejun Heo <tj@...nel.org>, Oliver Neukum <oliver@...kum.org>, Yuhong Bao <yuhongbao_386@...mail.com>, david-b@...bell.net, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org Subject: Re: [PATCH 2.6.34] ehci-hcd: add option to enable 64-bit DMA support 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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