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SubjectRe: [KVM][PATCH] smp_processor_id() and sleeping functions used in invalid context
On 12/31/06, Avi Kivity <avi@qumranet.com> wrote:
> Luca Tettamanti wrote:
> > Hello,
> > I'm testing KVM on a Core2 CPU. I'm running kernel 2.6.20-git (pulled
> > few hours ago), configured with SMP and PREEMPT.
> >
> > I'm hitting 2 different warnings:
> > BUG: using smp_processor_id() in preemptible [00000001] code: kvm/7726
> > caller is vmx_create_vcpu+0x9/0x2f [kvm_intel]
>
> [...]
> > Second one:
> > BUG: sleeping function called from invalid context at
> > /home/kronos/src/linux-2.6.git/mm/slab.c:3034
> > in_atomic():1, irqs_disabled():0
> > 1 lock held by kvm/12706:
> > #0: (&vcpu->mutex){--..}, at: [<f1b68d02>] kvm_dev_ioctl+0x113/0xf97
> > [kvm]
> > [<b015c32a>] kmem_cache_alloc+0x1b/0x6f
> >
> [...]
>
> There are patches for both (I think) flying around. They should land in
> Linus' tree in a few days.

Ah, I just saw them on lkml...

Luca
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