lkml.org 
[lkml]   [2007]   [Jul]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC 1/8]KVM: fix bugs in kvm sched integration patch
From
Date
On Mon, 2007-07-23 at 18:46 +0800, Avi Kivity wrote:
> Shaohua Li wrote:
> > fix some bugs in kvm-sch patch.
> >
>
> There is now a 'preempt-hooks' branch on kvm.git with the
> preempt-hooks
> work. I'll continually update and rebase it against master.
>
> > 1. vmcs_readl/vmcs_writel are called with preempt enabled
> >
>
> Why is that bad?
1. raw_smp_processor_id()
2. migrate to other cpu
3. current->kvm_vcpu->cpu != the cpu id of step 1.
you will see the warning.

Thanks,
Shaohua
-
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/

\
 
 \ /
  Last update: 2007-07-24 03:53    [W:0.039 / U:1.996 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site