From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 0/14] KVM: Kernel-based Virtual Machine (v4) Date: Wed, 08 Nov 2006 10:07:15 +0200 Message-ID: <45519033.3060409@qumranet.com> References: <454E4941.7000108@qumranet.com> <20061107204440.090450ea.akpm@osdl.org> <455183EA.2020405@qumranet.com> <20061107233323.c984fa9b.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Roland Dreier , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: To: Andrew Morton In-Reply-To: <20061107233323.c984fa9b.akpm-3NddpPZAyC0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Andrew Morton wrote: > On Wed, 08 Nov 2006 09:14:50 +0200 > Avi Kivity wrote: > > >> Roland Dreier wrote: >> >>> > That's gas 2.16.1. I assume it needs some super-new binutils. >>> > >>> > I'm not sure what to do about this. What's the minimum version? >>> >>> According to http://kvm.sourceforge.net/howto.html : >>> A recent enough binutils (>= 2.16.91.0.2) for vmx instruction support >>> >>> >> Either that or a bunch of ugly .byte macros. >> >> > > I think we could live with the binutils requirement as long as we can find > some automagic way of not breaking people's `make allmodconfig'. Because > quite a lot of those people who do cross-compilation tend to use older > binutilses. > These crosses are usually for $wierd target on x86 host, right? But no one will compile kvm for non-x86: depends on X86 && EXPERIMENTAL > But I don't know how to do that. We _could_ do a trick similar to the > `cc-version' make rule, and then use the new `as-version' to make the whole > kvm.o compile down to an empty .o file. But that's pretty hacky. Not only hacky, it will confuse the regular user who gets a nonworking kvm.ko due to old binutils. > Would > really prefer something at Kconfig-time, but we have no way of letting the > assembler version feed into the Kconfig system (nor do we want it, I > suspect). > config AS_VERSION eval as --version | awk '{ ... }' ? -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642