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Re: [Qemu-devel] [PATCH 1/2] object: Add can_be_deleted callback to Type

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 1/2] object: Add can_be_deleted callback to TypeInfo and TypeImpl
Date: Thu, 26 Mar 2015 14:37:13 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0

On 26/03/2015 11:29, Igor Mammedov wrote:
> What value of ref, one would use to decide if deletion is possible?
> In generic case object can have ref > 1 but still be eligible for deleting
> via object-del.

Right, for example devices are unparented with ref > 1.

Still, it could be a sane default implementation.  It doesn't even need
a function pointer until someone comes up with an object that has
different needs.


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