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From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Thomas Huth <thuth@redhat.com>,
	Eduardo Habkost <ehabkost@redhat.com>,
	Andrey Smirnov <andrew.smirnov@gmail.com>,
	Jason Wang <jasowang@redhat.com>,
	Alistair Francis <alistair@alistair23.me>,
	Jean-Christophe Dubois <jcd@tribudubois.net>,
	Beniamino Galvani <b.galvani@gmail.com>,
	Igor Mitsyanko <i.mitsyanko@gmail.com>,
	qemu-arm@nongnu.org, Peter Chubb <peter.chubb@nicta.com.au>,
	Antony Pavlov <antonynpavlov@gmail.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Subject: Re: [Qemu-devel] [PATCH v2 2/6] hw/arm: Use object_initialize_child for correct reference counting
Date: Fri, 23 Aug 2019 10:21:45 -0700	[thread overview]
Message-ID: <c084a635-f043-06bf-6226-9832978ca003@linaro.org> (raw)
In-Reply-To: <20190823143249.8096-3-philmd@redhat.com>

On 8/23/19 7:32 AM, Philippe Mathieu-Daudé wrote:
> As explained in commit aff39be0ed97:
> 
>   Both functions, object_initialize() and object_property_add_child()
>   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.
>   Thus let's use now object_initialize_child() instead to get the
>   reference counting here right.
> 
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>  hw/arm/mcimx7d-sabre.c |  9 ++++-----
>  hw/arm/mps2-tz.c       | 15 +++++++--------
>  hw/arm/musca.c         |  9 +++++----
>  3 files changed, 16 insertions(+), 17 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~



  parent reply	other threads:[~2019-08-23 17:22 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-23 14:32 [Qemu-devel] [PATCH v2 0/6] hw/arm: Use ARM_CPU_TYPE_NAME() and object_initialize_child() Philippe Mathieu-Daudé
2019-08-23 14:32 ` [Qemu-devel] [PATCH v2 1/6] hw/arm: Use ARM_CPU_TYPE_NAME() macro when appropriate Philippe Mathieu-Daudé
2019-08-23 17:19   ` Richard Henderson
2019-08-23 14:32 ` [Qemu-devel] [PATCH v2 2/6] hw/arm: Use object_initialize_child for correct reference counting Philippe Mathieu-Daudé
2019-08-23 15:14   ` Thomas Huth
2019-08-23 17:21   ` Richard Henderson [this message]
2019-08-23 14:32 ` [Qemu-devel] [PATCH v2 3/6] hw/arm: Use sysbus_init_child_obj " Philippe Mathieu-Daudé
2019-08-23 15:26   ` Thomas Huth
2019-09-03 12:54     ` Peter Maydell
2019-08-23 17:24   ` Richard Henderson
2019-08-23 14:32 ` [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 17:26   ` Richard Henderson
2019-08-23 14:32 ` [Qemu-devel] [PATCH v2 5/6] hw/dma/xilinx_axi: Use object_initialize_child for correct ref. counting Philippe Mathieu-Daudé
2019-08-23 17:29   ` Richard Henderson
2019-08-23 17:36   ` Thomas Huth
2019-08-23 14:32 ` [Qemu-devel] [PATCH v2 6/6] hw/net/xilinx_axi: " Philippe Mathieu-Daudé
2019-08-23 17:31   ` Richard Henderson
2019-08-23 17:34   ` Thomas Huth
2019-09-06 10:04 ` [Qemu-devel] [PATCH v2 0/6] hw/arm: Use ARM_CPU_TYPE_NAME() and object_initialize_child() Peter Maydell

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