Date: Wed, 4 Jan 2017 10:13:12 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: Kees Cook <keescook@...omium.org> Cc: linux-kernel@...r.kernel.org, Matthew Garrett <mjg59@...eos.com>, kernel-hardening@...ts.openwall.com Subject: Re: [PATCH] Allow userspace to request device probing even if defer_all_probes is true On Tue, Jan 03, 2017 at 03:07:20PM -0800, Kees Cook wrote: > From: Matthew Garrett <mjg59@...eos.com> > > Userspace may wish to make a policy decision to allow certain devices > to be attached, such as keyboards. I don't understand what that sentance means. Why wouldn't keyboards be attached? > Add a force_probe sysfs node to each device, which if written will > trigger a probe even if defer_all_probes is currently true. Why not just manually trigger the bind of the device? I don't understand the problem here that is being addressed, nor do I understand how this would be used. More explaination please. thanks, greg k-h
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