linux-kernel - Re: [PATCH 2/2 v2] pci: check caps from sysfs file open to read device dependent config space

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Message-ID: <20100513190636.GC5979@kroah.com>
Date:	Thu, 13 May 2010 12:06:36 -0700
From:	Greg KH <greg@...ah.com>
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, jbarnes@...tuousgeek.org,
	matthew@....cx, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	ddutile@...hat.com, alex.williamson@...hat.com
Subject: Re: [PATCH 2/2 v2] pci: check caps from sysfs file open to read
 device dependent config space

On Thu, May 13, 2010 at 10:43:07AM -0700, Chris Wright wrote:
> * Alan Cox (alan@...rguk.ukuu.org.uk) wrote:
> > I agree with the problem - but IMHO the fix is to require opening the file
> > checks CAP_SYS_something instead: not to hack the read method and make it
> > even weirder and more un-Linux than it is now.
> 
> This patch does that.  Not as convenient from the KVM/libvirt point of view
> because it is not prepared to do this setup before dropping privileges
> and launching the VM.

So does that mean that this patch doesn't solve your original problem
here?

thanks,

greg k-h
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