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Re: [Qemu-arm] [PATCH] hw/arm/bcm2836: Mark the bcm2836 / bcm2837 device


From: Peter Maydell
Subject: Re: [Qemu-arm] [PATCH] hw/arm/bcm2836: Mark the bcm2836 / bcm2837 devices with user_creatable = false
Date: Mon, 16 Jul 2018 14:58:40 +0100

On 16 July 2018 at 14:44, Thomas Huth <address@hidden> wrote:
> On 16.07.2018 15:39, Peter Maydell wrote:
>> On 12 July 2018 at 18:12, Thomas Huth <address@hidden> wrote:
>>> These devices are currently causing some problems when a user is trying
>>> to hot-plug or introspect them during runtime. Since these devices can
>>> not be instantiated by the user at all (they need to be wired up in code
>>> instead), we should mark them with user_creatable = false anyway, then we
>>> avoid at least the crashes with the hot-plugging. The introspection problem
>>> will be handled by a separate patch.
>>
>> I thought we'd changed things so all sysbus devices defaulted
>> to not-user-createable? Am I confusing that with something else?
>> (The set of user-creatable sysbus devices must be very small...)
>
> You remember it right, but TYPE_BCM283X is not a sysbus device, it is
> declared with ".parent = TYPE_DEVICE" instead.

So it is. (Which sort of makes sense I suppose, though we're not
entirely consistent about whether SoC containers are sysbus or
plain device.)

Reviewed-by: Peter Maydell <address@hidden>

and I'll apply this to target-arm.next for 3.0.

thanks
-- PMM



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