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The BIOS check is a must, it checks bit #0 of MSR_IA32_FEATURE_CONTROL, if it set this means that software cannot write to the MSR. If bit #2 is clear too then when executing vmxon you'll get #GP. So the check should better be there... -- Dor Laor -----Original Message----- From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Tomasz Torcz Sent: Sunday, November 05, 2006 7:14 PM To: linux-kernel Subject: Re: [ANNOUNCE] kvm howto On Thu, Nov 02, 2006 at 03:25:41PM +0200, Avi Kivity wrote: > I've just uploaded a HOWTO to http://kvm.sourceforge.net, including > (hopefuly) everything needed to get kvm running. Please take a look and > comment. I have some problems on Thinkpad z61t with Core Duo T2500. /proc/cpuinfo shows "vmx" in flags, but module refuses to load: [17462106.632000] kvm: disabled by bios I wandered around BIOS setup (latest version), but didn't found anything about virtualization. Is BIOS check really necessary? -- Tomasz Torcz 72->| 80->| zdzichu@irc.-nie.spam-.pl 72->| 80->| - 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/ | |||||||||
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