Re: [PATCH 13/15] sched: Use a static_key for sched_clock_stable

From: Dave Young
Date: Thu Jan 23 2014 - 22:16:23 EST

On 01/23/14 at 05:56pm, Peter Zijlstra wrote:
> On Thu, Jan 23, 2014 at 10:10:28AM +0800, Dave Young wrote:
> > Hmm, seems the my physical machine is booting fine with this patch. kvm
> > guest problem still exist, but that kvm thing might be other problem.
> Dave, could you try with tip/master, Ingo pushed out all the fixes
> gathered.

tip/master works fine for me.

> Lacking that, could you perhaps provide the .config you use for your
> guest and a kvm invocation?
> I used a defconfig with KVM_GUEST=y, which was enough to enable kvmclock
> support and then started with:
> kvm -kernel defconfig-build/arch/x86/boot/bzImage -nographic -append "console=ttyS0" -smp 2

I use qemu-system-x86_64 with efi ovmf firmware, I think the problem
has been resolved in tip/master, if you still want the .config please
let me know.

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