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

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Message-ID: <6E21E5352C11B742B20C142EB499E0481DFE61@TK5EX14MBXC124.redmond.corp.microsoft.com>
Date:	Wed, 4 May 2011 19:54:09 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Greg KH <gregkh@...e.de>, Randy Dunlap <rdunlap@...otime.net>
CC:	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"H Hartley Sweeten" <hartleys@...ionengravers.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/1] Staging: hv: Add the necessary dependencies to
	hyperv Kconfig



> -----Original Message-----
> From: devel-bounces@...uxdriverproject.org [mailto:devel-
> bounces@...uxdriverproject.org] On Behalf Of Greg KH
> Sent: Wednesday, May 04, 2011 3:40 PM
> To: Randy Dunlap
> Cc: virtualization@...ts.osdl.org; devel@...uxdriverproject.org; H Hartley
> Sweeten; Haiyang Zhang; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH 1/1] Staging: hv: Add the necessary dependencies to hyperv
> Kconfig
> 
> On Wed, May 04, 2011 at 12:33:02PM -0700, Randy Dunlap wrote:
> > On Wed, 4 May 2011 11:53:38 -0700 Greg KH wrote:
> >
> > > 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.
> >
> > Still.  Len has written in the past that technically there is no such
> > dependency, but in reality there is, for now at least.  IIRC.
> 
> Ok, but then we should still say we depend on PCI to handle if/when ACPI
> removes that dependancy in the future.  It doesn't hurt here at all.

Greg,
I have sent you  both versions of this patch; one with explicit dependency on PCI and
one with implicit dependency on PCI; you decide.

Regards,

K. Y 
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