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[Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1
From: |
Alexander Graf |
Subject: |
[Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1 |
Date: |
Fri, 14 May 2010 17:58:17 +0200 |
On 14.05.2010, at 17:54, Jan Kiszka wrote:
> Alexander Graf wrote:
>> On 14.05.2010, at 17:48, Avi Kivity wrote:
>>
>>> On 05/14/2010 05:06 PM, Alexander Graf wrote:
>>>> On 12.05.2010, at 23:25, Marcelo Tosatti wrote:
>>>>
>>>>
>>>>> Process INIT/SIPI requests and enable -smp> 1.
>>>>>
>>>> Does this enable real SMP or does it still only allow one vcpu to run at a
>>>> time?
>>>>
>>>>
>>> The realest ever. Still doesn't use in-kernel irqchip (qemu-kvm does
>>> "real" smp with -no-kvm-irqchip as well).
>>
>> That's odd. On S390 I only get at most 100% cpu usage no matter how much
>> -smp I pass.
>
> --enable-io-thread?
>
> If you had it disabled, it would also answer my question if -smp works
> without problems without that feature.
Ah, yes, that's different.
And with --enable-io-thread I finally also get the virtio-console hang again!
Yay!
Alex
- [Qemu-devel] [PATCH 00/12] [PULL] qemu-kvm.git uq/master queue, Marcelo Tosatti, 2010/05/12
- [Qemu-devel] [PATCH 12/12] kvm: fix 80000001.EDX supported bit filtering, Marcelo Tosatti, 2010/05/12
- [Qemu-devel] [PATCH 08/12] move stop/stopped CPU_COMMON fields after area zeroed by reset, Marcelo Tosatti, 2010/05/12
- [Qemu-devel] [PATCH 10/12] kvm: enable smp > 1, Marcelo Tosatti, 2010/05/12
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Alexander Graf, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Avi Kivity, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Alexander Graf, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Jan Kiszka, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1,
Alexander Graf <=
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Avi Kivity, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Avi Kivity, 2010/05/20
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/20
[Qemu-devel] [PATCH 01/12] Fix -mem-path with hugetlbfs, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 11/12] Do not stop VM if emulation failed in userspace., Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 03/12] make SIG_IPI to tcg vcpu thread reliable, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 07/12] add cpu_is_stopped helper, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 02/12] kvm: set cpu_single_env around KVM_RUN ioctl, Marcelo Tosatti, 2010/05/12