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Re: [Qemu-devel] qemu-kvm-1.0.1 - unable to exit if vcpu is in infinite

From: Avi Kivity
Subject: Re: [Qemu-devel] qemu-kvm-1.0.1 - unable to exit if vcpu is in infinite loop
Date: Sun, 01 Jul 2012 11:19:49 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0

On 06/28/2012 10:27 PM, Peter Lieven wrote:
> Am 28.06.2012 um 18:32 schrieb Avi Kivity:
>> On 06/28/2012 07:29 PM, Peter Lieven wrote:
>>>> Yes. A signal is sent, and KVM returns from the guest to userspace on
>>>> pending signals.
>>> is there a description available how this process exactly works?
>> The kernel part is in vcpu_enter_guest(), see the check for
>> signal_pending().  But this hasn't seen changes for quite a long while.
> Thank you, i will have a look. I noticed a few patches that where submitted
> during the last year, maybe one of them is related:
> Switch SIG_IPI to SIGUSR1
> Fix signal handling of SIG_IPI when io-thread is enabled
> In the first commit there is mentioned a "32-on-64-bit Linux kernel bug"
> is there any reference to that?

http://web.archiveorange.com/archive/v/1XS1vwGSFLyYygwTXg1K.  Are you
running 32-on-64?

error compiling committee.c: too many arguments to function

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