linux-kernel - Re: 2.6.26 vanilla paravirt config issue

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Message-ID: <Pine.LNX.4.64.0807241047290.3283@shark.he.net>
Date:	Thu, 24 Jul 2008 10:51:25 -0700 (PDT)
From:	"Randy.Dunlap" <rdunlap@...otime.net>
To:	Patrizio Bassi <patrizio.bassi@...il.com>
cc:	"Randy.Dunlap" <rdunlap@...otime.net>,
	"Kernel," <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.26 vanilla paravirt config issue

On Thu, 24 Jul 2008, Patrizio Bassi wrote:

> 2008/7/24 Randy.Dunlap <rdunlap@...otime.net>:
> >
> > On Thu, 24 Jul 2008, Patrizio Bassi wrote:
> >
> > > Hi All
> > >
> > > on my amd64 profile i cannot disable PARAVIRT option.
> > >
> > > even if i disable all i still get in my .config:
> > >
> > > # CONFIG_X86_ES7000 is not set
> > > # CONFIG_X86_RDC321X is not set
> > > CONFIG_X86_VSMP=y
> > > # CONFIG_PARAVIRT_GUEST is not set
> > > CONFIG_PARAVIRT=y    <<<<-------------------------------- issue
> > > # CONFIG_MEMTEST_BOOTPARAM is not set
> > > # CONFIG_M386 is not set
> > >
> > > how to disable it? i guess it's a config bug.
> >
> > Nope.  You have CONFIG_X86_VSMP enabled, which selects PARAVIRT:
> >
> > config X86_VSMP
> >        bool "Support for ScaleMP vSMP"
> >        select PARAVIRT
> >        depends on X86_64
> >
> > > CC me i'm not subscribed.
> 
> Oh thanks, so this means ScaleMP support can be enabled only with paravirt?

Yes.

> At the moment i don't understand the need, maybe i should study some
> documentation, do you have any pointer?

No, I don't recall seeing any docs for it.
You could try www.scalemp.com .

-- 
~Randy
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