linux-kernel - Re: [PATCH 1/1] Staging: hv: Add the necessary dependencies to hyperv Kconfig

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Date:	Wed, 4 May 2011 11:53:38 -0700
From:	Greg KH <gregkh@...e.de>
To:	H Hartley Sweeten <hartleys@...ionengravers.com>
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	Haiyang Zhang <haiyangz@...rosoft.com>
Subject: Re: [PATCH 1/1] Staging: hv: Add the necessary dependencies to
 hyperv	Kconfig

On Wed, May 04, 2011 at 01:44:27PM -0500, H Hartley Sweeten wrote:
> On Wednesday, May 04, 2011 11:52 AM, K. Y. Srinivasan wrote:
> >
> > The vmbus driver dependes on ACPI and PCI subsystems. Change 
> > Kconfig to reflect this.
> >
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> > Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> > ---
> >  drivers/staging/hv/Kconfig |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/staging/hv/Kconfig b/drivers/staging/hv/Kconfig
> > index 76f0756..5e0c9f6 100644
> > --- a/drivers/staging/hv/Kconfig
> > +++ b/drivers/staging/hv/Kconfig
> > @@ -1,6 +1,6 @@
> >  config HYPERV
> >  	tristate "Microsoft Hyper-V client drivers"
> > -	depends on X86 && m
> > +	depends on X86 && ACPI && PCI && m
> >  	default n
> >  	help
> > 	  Select this option to run Linux as a Hyper-V client operating
> 
> ACPI itself depends on PCI.

Still?  I thought that got removed a while ago.

> It also depends on IA64 || X86.  Will the vmbus driver work with IA64?

No.

> If so the depends on could just be:
> 
> 	depends on ACPI && m

No, see above for the IA64 reason.

> Also, default n is redudant since n is the default anyway.

True, but it doesn't hurt either :)

thanks,

greg k-h
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