From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Barrette Subject: Re: unable to compile 1.6.0 Date: Fri, 25 Apr 2014 10:02:32 -0400 Message-ID: <535A6AF8.2050808@windriver.com> References: <20140425112003.GB14074@hmsreliant.think-freely.org> <2601191342CEEE43887BDE71AB9772580EFA0E86@IRSMSX105.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Cc: dev To: Vasiliy Tolstov , "Ananyev, Konstantin" Return-path: In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" On 04/25/2014 08:36 AM, Vasiliy Tolstov wrote: > 2014-04-25 16:22 GMT+04:00 Ananyev, Konstantin : >> Hi Vasiliy, >> Why just not use ' -cpu host' when starting your kvm? > > Because in this case compiled binaries may use extensions that not > supported on other platforms. > As i see error happen with MACHINE_CFLAGS = -march=native, but i > compile all software with match=x86_64 for compat. > > In qemu you can turn off the cpu features that you don't want enabled: http://www.linux-kvm.org/page/Tuning_KVM maybe -cpu Nehalem ... Pb