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Re: [Qemu-devel] [PATCH v2 3/6] hw/arm: Use sysbus_init_child_obj for co
From: |
Thomas Huth |
Subject: |
Re: [Qemu-devel] [PATCH v2 3/6] hw/arm: Use sysbus_init_child_obj for correct reference counting |
Date: |
Fri, 23 Aug 2019 17:26:43 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 |
On 8/23/19 4:32 PM, Philippe Mathieu-Daudé wrote:
> As explained in commit aff39be0ed97:
>
> Both functions, object_initialize() and qdev_set_parent_bus()
Commit aff39be0ed97 was not about qdev_set_parent_bus(), so the first
sentence sounds somewhat misleading here. Maybe rephrase the commit
message without that reference to aff39be0ed97 ?
> increase the reference counter of the new object, so one of the
> references has to be dropped afterwards to get the reference
> counting right. Otherwise the child object will not be properly
> cleaned up when the parent gets destroyed.
Well, the parent here (the machine) currently never gets destroyed ...
so unless you've got a patch in your pipe to fix that, too, you should
maybe also rephrase this part of the commit message.
Thomas
- [Qemu-devel] [PATCH v2 0/6] hw/arm: Use ARM_CPU_TYPE_NAME() and object_initialize_child(), Philippe Mathieu-Daudé, 2019/08/23
- [Qemu-devel] [PATCH v2 1/6] hw/arm: Use ARM_CPU_TYPE_NAME() macro when appropriate, Philippe Mathieu-Daudé, 2019/08/23
- [Qemu-devel] [PATCH v2 2/6] hw/arm: Use object_initialize_child for correct reference counting, Philippe Mathieu-Daudé, 2019/08/23
- [Qemu-devel] [PATCH v2 3/6] hw/arm: Use sysbus_init_child_obj for correct reference counting, Philippe Mathieu-Daudé, 2019/08/23
- [Qemu-devel] [PATCH v2 4/6] hw/arm/fsl-imx: Add the cpu as child of the SoC object, Philippe Mathieu-Daudé, 2019/08/23
- [Qemu-devel] [PATCH v2 5/6] hw/dma/xilinx_axi: Use object_initialize_child for correct ref. counting, Philippe Mathieu-Daudé, 2019/08/23
- [Qemu-devel] [PATCH v2 6/6] hw/net/xilinx_axi: Use object_initialize_child for correct ref. counting, Philippe Mathieu-Daudé, 2019/08/23