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Re: [Qemu-devel] [PATCH v2 0/11]
From: |
Glauber Costa |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/11] |
Date: |
Wed, 2 Dec 2009 10:00:07 -0200 |
On Wed, Dec 2, 2009 at 8:59 AM, Gleb Natapov <address@hidden> wrote:
> On Tue, Dec 01, 2009 at 10:51:26AM -0200, Glauber Costa wrote:
>> This is a repost of the -smp series. Note that it depends on
>> irqchip-in-kernel,
>> that is already in staging. Also, you'll have to enable the io-thread, for
>> the time
>> being.
>>
>> >From the last version, main change is that I am not calling queue_work
>> >automatically
>> from vcpu ioctls. queue_work is only used currently for the gdb stub.
>>
>> All other uses were by-passed by the new qemu_register_vcpu_reset(), since
>> most
>> of it uses (all racy) came from the reset handlers.
>>
> Looks good to me except one thing. I don't see how you are addressing
> the problem fixed by commit b8a7857071b477b28d3055e33ff0298fc91f329a
> in qemu-kvm. The problem is that mp_state can change in kernel between
> call to kvm_cpu_synchronize_state() and vcpu re-entry. In this case old
> mp_state will overwrite new one.
I plan to do it in a patch that already lives on my tree. It basically flushes
register state in early post_load
--
Glauber Costa.
"Free as in Freedom"
http://glommer.net
"The less confident you are, the more serious you have to act."
- Re: [Qemu-devel] [PATCH v2 05/11] tell kernel about all registers instead of just mp_state, (continued)
- Re: [Qemu-devel] [PATCH v2 05/11] tell kernel about all registers instead of just mp_state, Gleb Natapov, 2009/12/02
- Re: [Qemu-devel] [PATCH v2 05/11] tell kernel about all registers instead of just mp_state, Glauber Costa, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 05/11] tell kernel about all registers instead of just mp_state, Jan Kiszka, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 05/11] tell kernel about all registers instead of just mp_state, Gleb Natapov, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 05/11] tell kernel about all registers instead of just mp_state, Jan Kiszka, 2009/12/02
- Re: [Qemu-devel] [PATCH v2 04/11] qemu_flush_work for remote vcpu execution, Marcelo Tosatti, 2009/12/02
- Re: [Qemu-devel] [PATCH v2 04/11] qemu_flush_work for remote vcpu execution, Glauber Costa, 2009/12/02
- Re: [Qemu-devel] [PATCH v2 04/11] qemu_flush_work for remote vcpu execution, Marcelo Tosatti, 2009/12/02
- Re: [Qemu-devel] [PATCH v2 04/11] qemu_flush_work for remote vcpu execution, Glauber Costa, 2009/12/02
Re: [Qemu-devel] [PATCH v2 0/11], Gleb Natapov, 2009/12/02
- Re: [Qemu-devel] [PATCH v2 0/11],
Glauber Costa <=
- [Qemu-devel] Re: [PATCH v2 0/11], Jan Kiszka, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 0/11], Gleb Natapov, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 0/11], Jan Kiszka, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 0/11], Gleb Natapov, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 0/11], Jan Kiszka, 2009/12/02
- [Qemu-devel] Re: [PATCH v2 0/11], Gleb Natapov, 2009/12/02
[Qemu-devel] Re: [PATCH v2 0/11], Gleb Natapov, 2009/12/03