Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761659AbZCYNiS (ORCPT ); Wed, 25 Mar 2009 09:38:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754835AbZCYNiG (ORCPT ); Wed, 25 Mar 2009 09:38:06 -0400 Received: from rtr.ca ([76.10.145.34]:55944 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756524AbZCYNiF (ORCPT ); Wed, 25 Mar 2009 09:38:05 -0400 Message-ID: <49CA33B8.5050503@rtr.ca> Date: Wed, 25 Mar 2009 09:38:00 -0400 From: Mark Lord Organization: Real-Time Remedies Inc. User-Agent: Thunderbird 2.0.0.21 (X11/20090318) MIME-Version: 1.0 To: Jaswinder Singh Rajput Cc: "H. Peter Anvin" , Ingo Molnar , x86 maintainers , LKML , akataria@vmware.com Subject: Re: [PATCH -tip] x86: move vmware to hypervisor References: <1237281581.7907.2.camel@ht.satnam> <20090317093919.GD6477@elte.hu> <1237283318.7907.9.camel@ht.satnam> <49BFC6CB.9070603@zytor.com> <1237958994.5556.5.camel@localhost.localdomain> In-Reply-To: <1237958994.5556.5.camel@localhost.localdomain> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2134 Lines: 63 Jaswinder Singh Rajput wrote: > On Tue, 2009-03-17 at 08:50 -0700, H. Peter Anvin wrote: >> Jaswinder Singh Rajput wrote: >>>> I dont really like this one. KVM is a hypervisor too, and so is >>>> Xen and lguest. VMware is one of the many types of a >>>> hypervisors. >>> Can we use common hypervisor for Xen, lguest, vmware, etc. >>> And Xen, lguest, vmware will be the sub-options. >> Obviously. We spent a lot of time breaking up the cpu stuff into common >> and vendor-specific portions, we shouldn't go backwards w.r.t. hypervisors. >> > > OK, agreed. > > But atleast give freedom to users to disable this who are not willing to > use it. > > Currently hypervisor is used only used by VMWARE, so is I prepare this > freedom patch: > > From: Jaswinder Singh Rajput > Date: Wed, 25 Mar 2009 10:40:01 +0530 > Subject: [PATCH] x86: Introduce CONFIG_X86_VMWARE option > > Impact: freedom to choose > > Gives freedom to users to select or suppress CONFIG_X86_VMWARE option. > > Signed-off-by: Jaswinder Singh Rajput > --- > arch/x86/Kconfig | 7 +++++++ > arch/x86/include/asm/hypervisor.h | 9 +++++++++ > arch/x86/kernel/cpu/Makefile | 2 +- > 3 files changed, 17 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index f5d7d29..56e1a9c 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -554,6 +554,13 @@ config HPET_EMULATE_RTC > def_bool y > depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y) > > +config X86_VMWARE > + bool > + default n > + prompt "X86 VMware support" > + ---help--- > + Enable X86 VMware Hypervisor support. > .. Could that perhaps be clarified somewhat, changing the prompt string to either "X86 VMware host support" or "X86 VMware guest support", to remove any confusion ? thanks -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/