[Qemu-devel] Re: segmentation fault in qemu-kvm-0.14.0

[Jan Kiszka]

On 2011-03-09 12:20, Paolo Bonzini wrote:
> On 03/09/2011 08:37 AM, Jan Kiszka wrote:
>> It's probably worth validating that the iothread lock is
>> always held when qemu_set_fd_handler2 is invoked to confirm this race
>> theory, adding something like
>>
>> assert(pthread_mutex_trylock(&qemu_mutex) != 0);
>> (that's for qemu-kvm only)
> 
> Alternatively, iohandlers could be a(nother) good place to start
> introducing fine-grained locks or rwlocks.

Yeah, could be a good idea. It's a fairly confined area here that needs
protection.

Jan

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