Re: [Qemu-devel] [PATCH 1/1] target-i386: Clean up misuse of qdev_init() in realize method

[Andreas Färber]

Am 05.02.2015 um 13:51 schrieb Igor Mammedov:
> On Thu,  5 Feb 2015 10:29:15 +0100
> Markus Armbruster <address@hidden> wrote:
> 
>> x86_cpu_apic_realize() calls qdev_init() to realize the APIC.
>> qdev_init()'s error handling has unwanted side effects: it unparents
>> the device, and it calls qerror_report_err().
>>
>> qerror_report_err() is always inappropriate in realize methods,
>> because it doesn't return the Error object.  It either reports the
>> error to stderr or the human monitor, or it stores it in the QMP
>> monitor, where it makes the QMP command fail even though the realize
>> method succeeded.
>>
>> Fortunately, qdev_init() can't actually fail here, because realize
>> can't fail for any of the three possible APIC device models.
>>
>> Clean up by cutting out the qdev_init() middle-man: set property
>> "realized" directly.
>>
>> Signed-off-by: Markus Armbruster <address@hidden>
> 
> Reviewed-by: Igor Mammedov <address@hidden>

Thanks, applied to qom-cpu:
https://github.com/afaerber/qemu-cpu/commits/qom-cpu

Andreas

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