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Message-ID: <46A065C0.6030700@argo.co.il> Date: Fri, 20 Jul 2007 10:35:28 +0300 From: Avi Kivity <avi@...o.co.il> To: Bill Davidsen <davidsen@....com> CC: Linux Kernel M/L <linux-kernel@...r.kernel.org> Subject: Re: Where did KVM go in 2.6.22-git9? Bill Davidsen wrote: > I just built a 2.6.22-git9 kernel, and when I run oldconfig it (a) > sets the processor type to pentium-pro, and (b) the KVM stuff simply > isn't in the config. Before I spend a lot of time on this, was it > disabled temporarily for some reason, or is it a known bug, or ??? > > Processor is a Core2 E6600, and the starting config has KVM. > > Strong suggestion: put KVM in processor type and options, and if the > CPU type selected supports the feature, let the builder turn it on in > one place and have Kconfig turn on whatever voodoo is needed to allow > it, rather than have people trying to find out what depends have > changed with each release. I see KVm depends on X86_CMPXCHG64 which > simply doesn't seem to be defined directly anywhere. > > Going back to 2.6.21.6 until whatever changed is at least documented. > Kconfig changes got kvm temporarily disabled on i386 nonpae. Current -git has it back. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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