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SubjectRe: [PATCH]: Staging: hv: Allocate the vmbus irq dynamically
On Fri, Feb 18, 2011 at 10:00:04PM +0000, KY Srinivasan wrote:
>
>
> > -----Original Message-----
> > From: Greg KH [mailto:greg@kroah.com]
> > Sent: Friday, February 18, 2011 4:14 PM
> > To: KY Srinivasan
> > Cc: gregkh@suse.de; linux-kernel@vger.kernel.org;
> > devel@linuxdriverproject.org; virtualization@lists.osdl.org
> > Subject: Re: [PATCH]: Staging: hv: Allocate the vmbus irq dynamically
> >
> > On Tue, Feb 15, 2011 at 11:55:35AM -0800, K. Y. Srinivasan wrote:
> > >
> > > Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
> > > Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
> > > Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
> >
> > You didn't run this through checkpatch.pl.
> >
> > Please do so and fix the warning it gives you.
> Greg, I did run the checkpatch script against this patch and the only
> complaint I got was with regards to the IRQF_SAMPLE_RANDOM flag that I
> pass. As a virtual machine, this is the only external event that the
> VM is going to see and so I chose to keep this flag. Is there
> something that would replace this flag; looking at the Xen drivers
> they do pass this flag.

But that flag is going away, right? And this really can't be a valid
source of entropy as the HV channel is pretty predictable.

If you are only using this because Xen does/did it, that's not a valid
excuse :)

thanks,

greg k-h


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